Richard Hann
D447, Elektro D+B2 Gløshaugen, Trondheim
About
Dr. Richard Hann is the director of the UAV Icing Lab and a researcher at the Norwegian University of Science and Technology (NTNU). He is one of the most prominent and internationally leading researchers in the field of in-flight icing of UAVs, UAS, RPAS, and eVTOL aircraft with more than 30 relevant publications in that field. Richard has more than 10 years of experience with numerical and experimental icing aerodynamics on drones, aircraft, and wind turbines. Richard graduated with excellence from the University of Stuttgart in Germany as an aerospace engineer in 2013 and obtained a PhD in UAV icing from NTNU in 2020. At NTNU, Richard is leading the UAV Icing Lab with five PhDs and several master's students. He also holds a position as lead aerodynamics engineer and shareholder at UBIQ Aerospace – a spin-off company from NTNU that is commercializing ice protection systems for UAVs. Richard is also promoting the application of drone technology in the Arctic with several ongoing projects in the fields of meteorology, glaciology, and atmospheric pollution in Svalbard.
Research Interests
- Aerospace engineering
- Aerodynamics
- Thermodynamics
- Atmospheric icing
- Anti- & de-icing systems
- Computational fluid dynamics (CFD)
- Aeroacustics
- Numerical simulations
- Unmanned aerial vehicles (UAV)
- Uncrewed aerial Systems (UAS)
- Remotely piloted aircraft systems (RPAS)
- Advanced air mobility (AAM)
- Cold climate wind energy
- Environmental forensics
- Arctic fieldwork
- Drones in the Arctic
- Svalbard
Blog: www.richardhann.com
Lab: www.uavicinglab.com
Research
My main research is pivoting around using autonomous systems and UAVs in cold climate conditions. In particular, I focus on the hazard of atmospheric icing. Atmospheric in-flight icing occurs whenever an aircraft, UAV, or wind turbine blade encounters supercooled liquid droplets inside clouds or freezing precipitation (rain/drizzle). These droplets have a temperature below the freezing point but are in liquid. When these supercooled liquid droplets impact on a surface, they freeze and quickly accumulate into ice shapes. These ice accumulations alter the aerodynamic shape of critical surfaces such as wings and propellers, leading to substantial aerodynamic performance losses (e.g., 80% efficiency loss on a rotor within 120s of moderate icing). Icing is a severe hazard for UAVs and can quickly lead to the loss of the aircraft without suitable protection systems – as a result, UAVs are typically not operated beyond visual line of sight when there are cold temperatures and visible moisture in the air (e.g., clouds, fog). Icing can occur worldwide and at any time of the year but is especially prevalent in colder climates and higher latitudes. While in-flight icing is a mature research field in manned aviation, little research has been conducted on the topic before 2014. Due to the big differences in configuration, size, airspeed, and operational environment, solutions and methods developed for manned aviation are not easily transferred to UAVs.
A second research focus of mine is the application of UAVs and drones in the Arctic, particularly in Svalbard. I mostly work with mapping of areas of interest in Svalbard, such as glaciers, permafrost, or sea ice. I collaborate with a wide range of researchers and support them in developing tailor-made solutions for using drones for their particular research questions. I also promote the general use of drones in Svalbard and offer support for drone-based fieldwork campaigns.
UAV Icing Lab
The UAV Icing Lab has the objective to generate knowledge to help the unmanned aircraft industry to operate in cold climate conditions.
UAV Lab
The unmanned aerial vehicles laboratory is a test facility for NTNU's research on unmanned aerial systems (UAS). The lab has access to various aircraft, ranging from small quadcopter drones to larger fixed-wing aircraft.
Arctic UAVs
I am an ambassador for promoting the use of drones and unmanned systems in the Arctic. My main area of activity is in Svalbard. I help other scientists to take their research airborne!
Publications
Atmospheric Ice Accretions, Aerodynamic Icing Penalties, and Ice Protection Systems on Unmanned Aerial Vehicles
PhD thesis on the topic of icing on unmanned aircraft.
Scientific Applications of Unmanned Vehicles in Svalbard
SESS Report 2020, Svalbard Integrated Arctic Earth Observing (SIOS)
UAV icing: the influence of airspeed and chord length on performance degradation
A key paper that highlights why UAVs are more sensitive and vulnerable to icing compared to manned aircraft.
2026
-
Løw-Hansen, Bogdan;
Hann, Richard;
Lindner, Markus Jürgen.
(2026)
Flight-Test System Identification of Leading-Edge Rime-Ice Effects on a Small Fixed-Wing UAV.
NTNU UAV Icing Lab
Data set
-
Müller, Nicolas Carlo;
Hann, Richard;
Johansen, Tor Arne;
Borup, Kasper Trolle.
(2026)
Ice accretion effects and ice protection systems for UAV propellers.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
-
Wallisch, Joachim;
Hann, Richard;
Johansen, Tor Arne;
Borup, Kasper Trolle.
(2026)
Reducing Energy Consumption of UAVs in Icing Conditions with Active Electrothermal De-Icing Ice Protection Systems.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
-
Løw-Hansen, Bogdan;
Hann, Richard;
Johansen, Tor Arne;
Deiler, Christoph;
Stovner, Bård Nagy.
(2026)
Modeling and Validation of Atmospheric Icing Effects on Small Fixed-Wing UAVs.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
-
Hann, Richard.
(2026)
UAV Icing: Operational Risk Management of Icing Conditions for Beyond Visual Line of Sight (BVLOS) Missions.
Academic chapter
-
Wallisch, Joachim;
Lindner, Markus Jürgen;
Borup, Kasper Trolle;
Hann, Richard.
(2026)
UAV Icing at Low Reynolds Numbers: RG-15 Airfoil Drag Increase Prediction Based on Batch-Automated CFD Simulations.
Journal of Aerospace Engineering
Academic article
-
Müller, Nicolas Carlo;
Villeneuve, Eric;
Hann, Richard.
(2026)
UAV Icing: Experimental Characterization of the Performance Impact of Ice Accretion on a Propeller.
Drones
Academic article
-
Hann, Richard;
Bärfuss, Konrad;
Betlem, Peter;
Ewertowski, Marek;
Günzel, Leonard Florian Tom;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał;
Storvold, Rune;
Sobota, Ireneusz.
(2026)
Third Update to Scientific Applications of Uncrewed Vehicles in Svalbard (UAV Svalbard 4).
Academic chapter
2025
-
Hann, Richard;
Lockhart, Kaelan.
(2025)
Drone-based glacier mapping of Fridtjovbreen, Vallakrabreen, Paulabreen, and Scheelebreen.
DataverseNO
Data set
-
D., Harcourt, William;
Pearce, Danni M;
Wojciech, Gajek,;
Lovell, Harold;
Luckman, Adrian;
Douglas, Benn,;
Kohler, Jack;
Kääb, Andreas;
Hann, Richard.
(2025)
Surging glaciers in Svalbard: Current knowledge and perspectives for monitoring (SvalSurge).
Academic chapter
-
Hann, Richard;
Gajek, Wojciech;
Pearce, Danni M;
Harcourt, William.
(2025)
Drone-based glacier mapping of Borebreen in Svalbard, 2025.
DataverseNO
Data set
-
David, Harcourt, William;
Pearce, Danni M;
Wojciech, Gajek,;
Harold, Lovell,;
Mannerfelt, Erik Schytt;
Kääb, Andreas;
Douglas, Benn,;
Luckman, Adrian;
Hann, Richard;
Kohler, Jack.
(2025)
Svalbard Surge Database 2024 (RGI2000-v7.0-G-07).
Zenado
Data set
-
Wallace, S;
Aiden, D;
William, D. Harcourt;
Hann, Richard;
Leontidis, G.
(2025)
Exploring Segment Anything Foundation Models for Out of Domain Crevasse Drone Image Segmentation.
Academic chapter
-
Lindner, Markus Jürgen;
Hann, Richard.
(2025)
UAV Icing: Icing Effects on Control Surfaces.
Academic chapter
-
Løw-Hansen, Bogdan;
Hann, Richard;
Gryte, Kristoffer;
Johansen, Tor Arne;
Deiler, Christoph.
(2025)
Modeling and identification of a small fixed-wing UAV using estimated aerodynamic angles.
CEAS Aeronautical Journal
Academic article
-
Lockhart, Kaelan;
Sandino, Juan;
Amarasingam, Narmilan;
Hann, Richard;
Bollard, Barbara;
Gonzalez, Felipe.
(2025)
Unmanned Aerial Vehicles for Real-Time Vegetation Monitoring in Antarctica: A Review.
Remote Sensing
Academic literature review
-
Gajek, Wojciech;
Luckman, Adrian;
Harcourt, William D.;
Pearce, Danni M;
Hann, Richard.
(2025)
Utilizing Seismic Station Internal GPS for Tracking Surging Glacier Sliding Velocity.
Journal of Glaciology
Academic article
2024
-
Løw-Hansen, Bogdan;
Hann, Richard.
(2024)
System identification campaign - Skywalker X8 UAV.
NTNU UAV Icing Lab
Data set
-
Hann, Richard;
Rodes, Nil;
Gajek, Wojciech;
Pearce, Danni M;
Harcourt, William David.
(2024)
Drone-based mapping of calving rates of Borebreen in Svalbard.
NTNU Norges teknisk-naturvitenskapelige universitet
Data set
-
Müller, Nicolas Carlo;
Hann, Richard.
(2024)
UAV Icing: Comparison of the Influence of Icing on a Rotor in Vertical and Horizontal Flight.
Academic chapter
-
Hann, Richard;
gajek, wojciech;
Pearce, Danni;
Harcourt, William David.
(2024)
Drone-based glacier mapping of Borebreen in Svalbard, 2024.
zenado
Academic article
-
Virk, Muhammad Shakeel;
Nygaard, Bjørn Egil;
Pettersen, Jan-Arne;
Khawaja, Hassan Abbas;
Sveen, Svein-Erik;
Han, Xingbo;
Lotfi, Arefeh;
Fikke, Svein Magnus;
Holdø, Arne Erik;
Adeel, Yousuf.
(2024)
20th International Workshop on Atmospheric Icing of
Structures (IWAIS 2024) Conference Proceedings.
UiT Norges arktiske universitet
Anthology
-
Hann, Richard.
(2024)
2nd International UAV Icing Workshop: Book of Abstracts.
2nd International UAV Icing Workshop
Anthology
-
Blanchard, G;
Hann, Richard;
Håkonsen, Verner;
Benmeddour, A;
Bennani, L;
Rouzaud, O.
(2024)
Computational Modelling and Simulation Methods.
NATO STO - Technical Report
Research report
-
Müller, Nicolas Carlo;
Hann, Richard.
(2024)
UAV Icing: Validation of an Ice Protection System Design for a Propeller.
Academic chapter
-
Frey, Markus;
Müller, Nicolas Carlo;
Wallisch, Joachim;
Hann, Richard.
(2024)
UAV Icing: Experimental Investigation and Numerical CHT Simulations of a Propeller Ice Protection System.
Academic chapter
-
Hann, Richard.
(2024)
UAV Icing: Experimental Analysis of Icing on a Rotor of a UAV.
Academic chapter
-
Løw-Hansen, Bogdan;
Hann, Richard;
Johansen, Tor Arne;
Deiler, Christoph.
(2024)
Time-Domain System Identification and Validation of Small Fixed-Wing UAV Dynamics.
Academic chapter
-
Deiler, Christoph;
Veronesi, Federico;
Raimondo, M;
Mora, J;
Garcia, Paloma;
Frovel, M;
Gagnon, B;
Browne, Thomas;
Hann, Richard.
(2024)
Ice Detection Technologies.
NATO STO - Technical Report
Research report
-
Veronesi, Federico;
Raimondo, M;
Mingione, G;
Martin, B;
Hann, Richard;
Håkonsen, Verner;
Ki-Han, K;
Nogues, JM;
Gagnon, B.
(2024)
Ice Protection Systems.
NATO STO - Technical Report
Research report
-
Hann, Richard;
Müller, Nicolas Carlo;
Wallisch, Joachim.
(2024)
UAV Icing: Impact Testing of Ice Fragments on a Propeller.
Academic chapter
-
Laurendeau, E;
Blanchet, Maxime;
Zayni, Mohamad Karim;
Hann, Richard;
Radenac, E;
Mussa, Ifrah;
Pueyo, A.
(2024)
Summary From the 2nd AIAA Ice Prediction Workshop.
Academic chapter
-
Hann, Richard;
Borup, Kasper Trolle.
(2024)
Technical requirements for RPAS operations in cold climates.
Academic chapter
-
Lindner, Markus Jürgen;
Hann, Richard.
(2024)
UAV Icing: Comparison of Simulated 3D and 2D Ice Accretion on Wings.
Academic chapter
-
Wallisch, Joachim;
Lindner, Markus Jürgen;
Petersen, Øyvind Wiig;
Neunaber, Ingrid Johanne;
Bracchi, Tania Kalogiannidis;
Hearst, Robert Jason;
Hann, Richard.
(2024)
UAV Icing: Aerodynamic Degradation Caused by Intercycle and Runback Ice Shapes on an RG-15 Airfoil.
Drones
Academic article
2023
-
Müller, Nicolas Carlo;
Hann, Richard.
(2023)
UAV Icing: 3D simulations of propeller icing effects and anti-icing heat loads.
SAE technical paper series
Academic article
-
Ghirardelli, Mauro;
Kral, Stephan Thomas;
Müller, Nicolas Carlo;
Hann, Richard;
Cheynet, Etienne;
Reuder, Joachim.
(2023)
Flow Structure around a Multicopter Drone: A Computational Fluid Dynamics Analysis for Sensor Placement Considerations.
Drones
Academic article
-
Wurst, Lukas;
Wallisch, Joachim;
Hann, Richard.
(2023)
CFD Icing Simulations on a Fixed-wing UAV Engine Inlet.
Academic chapter
-
Enache, Adriana;
Wallisch, Joachim;
Beeck, Jeroen Van;
Hendrick, Patrick;
Hann, Richard.
(2023)
Ice Accretion: Image Post-Processing Measurement Techniques for 2D Ice Shapes.
Aerospace
Academic article
-
Lindner, Markus Jürgen;
Wallisch, Joachim;
Hann, Richard.
(2023)
UAV Icing: Numerical Simulation of Icing Effects on Wing and Empennage.
SAE technical paper series
Academic article
-
Wallisch, Joachim;
Hann, Richard.
(2023)
UAV Icing: Intercycle Ice Effects on Aerodynamic Performance.
SAE technical paper series
Academic article
-
Hann, Richard;
Müller, Nicolas Carlo;
Wallisch, Joachim;
Lindner, Markus Jürgen.
(2023)
UAV Icing: Experimental validation data for predicting ice shapes at low Reynolds numbers.
SAE technical paper series
Academic article
-
Hann, Richard.
(2023)
Numerical Simulation of In-Flight Icing of Unmanned Aerial Vehicles.
Non-fiction chapter
-
Cheung, Michael;
Hann, Richard;
Johansen, Tor Arne.
(2023)
UAV Icing: Icing Cases for Validation of Path Planning Method.
SAE technical paper series
Academic article
-
Högnadottir, Sif;
Gryte, Kristoffer;
Hann, Richard;
Johansen, Tor Arne.
(2023)
Inner-Loop Control of Fixed-Wing Unmanned Aerial Vehicles in Icing Conditions.
Academic chapter
-
Heramarwan, Henidya;
Müller, Nicolas Carlo;
Hann, Richard;
Lutz, Thorsten.
(2023)
UAM Icing: Ice Accretion Experiments and CFD Icing Simulations on Rotors for eVTOL Unmanned Aircraft.
SAE technical paper series
Academic article
-
Løw-Hansen, Bogdan;
Müller, Nicolas Carlo;
Coates, Erlend Magnus Lervik;
Johansen, Tor Arne;
Hann, Richard.
(2023)
Identification of an Electric UAV Propulsion System in Icing Conditions.
SAE technical paper series
Academic article
-
Løw-Hansen, Bogdan;
Hann, Richard;
Stovner, Bård Nagy;
Johansen, Tor Arne.
(2023)
UAV Icing: A Survey of Recent Developments in Ice Detection Methods.
Academic chapter
-
Müller, Nicolas Carlo;
Løw-Hansen, Bogdan;
Borup, Kasper Trolle;
Hann, Richard.
(2023)
UAV icing: Development of an ice protection system for the propeller of a small UAV.
Cold Regions Science and Technology
Academic article
-
Hann, Richard;
Betlem, Peter;
Deja, Kajetan;
Ewertowski, Marek;
Hartvich, Filip;
Harm-Altstädter, B;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał;
Sobota, Ireneusz.
(2023)
Practical Guidelines for Scientific Application of Uncrewed Aerial Vehicles in Svalbard.
Non-fiction chapter
2022
-
Meier, Kilian;
Hann, Richard;
Skaloud, Jan;
Garreau, Arthur.
(2022)
Wind Estimation with Multirotor UAVs.
Atmosphere
Academic article
-
Wallisch, Joachim;
Hann, Richard.
(2022)
UAV Icing: Experimental Investigation of Ice Shedding Times with an Electrothermal De-Icing System.
Academic chapter
-
Hansen, Bogdan Løw;
Hann, Richard;
Johansen, Tor Arne.
(2022)
UAV Icing: Ice Shedding Detection Methods for an Electrothermal De-Icing System.
Academic chapter
-
Hann, Richard.
(2022)
Hazards of In-flight Icing on Unmanned Aircraft.
Academic chapter
-
Oswald, Johannes Wolfgang;
Enache, Adriana;
Hann, Richard;
Gertjan, Glabeke;
Lutz, Thorsten.
(2022)
UAV Icing: Experimental and Numerical Study of Glaze Ice.
Academic chapter
-
Müller, Nicolas Carlo;
Hann, Richard.
(2022)
UAV Icing: A Performance Model for a UAV Propeller in Icing Conditions.
Academic chapter
-
Cheung, Michael;
Hann, Richard;
Johansen, Tor Arne.
(2022)
UAV Icing: A Unified Icing Severity Index Derived from Performance Degradation.
Academic chapter
-
Hann, Richard.
(2022)
UAV Icing: Challenges for computational fluid dynamic (CFD) tools.
Academic chapter
-
Paulsen, Ingrid Marie Garfelt;
Pedersen, Åshild Ønvik;
Hann, Richard;
Blanchet, Marie-Anne;
Eischeid, Isabell;
Van Hazendonk, Charlotte Maartje;
Ravolainen, Virve;
Stien, Audun;
Le Moullec, Mathilde.
(2022)
How Many Reindeer? UAV Surveys as an Alternative to Helicopter or Ground Surveys for Estimating Population Abundance in Open Landscapes.
Remote Sensing
Academic article
-
Högnadottir, Sif;
Johansen, Tor Arne;
Hann, Richard;
Gryte, Kristoffer.
(2022)
Inner Loop Adaptive Control of Fixed-Wing Unmanned Aerial Vehicles in Icing Conditions.
Norges teknisk-naturvitenskapelige universitet
Master thesis
-
Hann, Richard;
Betlem, Peter;
Deja, Kajetan;
Hartvich, Filip;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał;
Sobota, Ireneusz;
Storvold, Rune;
Zagorski, Piotr.
(2022)
Update to Scientific Applications of Unmanned Vehicles in Svalbard.
Non-fiction chapter
2021
-
Haaland, Ole Max;
Wenz, Andreas Wolfgang;
Gryte, Kristoffer;
Hann, Richard;
Johansen, Tor Arne.
(2021)
Detection and isolation of propeller icing and electric propulsion system faults in fixed-wing UAVs.
International Conference on Unmanned Aircraft Systems (ICUAS)
Academic article
-
Dachauer, Armin;
Hann, Richard;
Hodson, Andrew.
(2021)
Aerodynamic roughness length of crevassed tidewater glaciers from UAV mapping.
The Cryosphere
Academic article
-
Jawak, Shridhar D.;
Andersen, Bo Nyborg;
Pohjola, Veijo A;
Godøy, Øystein;
Hübner, Christiane;
Jennings, Inger;
Ignatiuk, Dariusz;
Holmen, Kim;
Sivertsen, Agnar;
Hann, Richard.
(2021)
SIOS’s Earth Observation (EO), Remote Sensing (RS), and operational activities in response to COVID-19.
Remote Sensing
Academic article
-
Hann, Richard;
Enache, Adriana;
Nielsen, Mikkel Cornelius;
Stovner, Bård Nagy;
Beeck, Jeroen Van;
Johansen, Tor Arne;
Borup, Kasper Trolle.
(2021)
Experimental Heat Loads for Electrothermal Anti-Icing and De-Icing on UAVs.
Aerospace
Academic article
-
Sørensen, Kim Lynge;
Borup, Kasper Trolle;
Hann, Richard;
Bernstein, B.;
Hansbø, Morten.
(2021)
UAV Atmospheric Icing Limitations: Climate Report for Norway and Surrounding Regions.
UBIQ Aerospace
Research report
-
Hann, Richard;
Johansen, Tor Arne.
(2021)
UAV icing: the influence of airspeed and chord length on performance degradation.
Aircraft Engineering and Aerospace Technology
Academic article
-
Hann, Richard;
Altstädter, Barbara;
Betlem, Peter;
Deja, Kajetan;
Dragańska-Deja, Katarzyna;
Ewertowski, Marek;
Hartvich, Filip;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał.
(2021)
Scientific Applications of Unmanned Vehicles in Svalbard.
Non-fiction chapter
-
Müller, Nicolas Carlo;
Hann, Richard;
Lutz, Thorsten.
(2021)
UAV Icing: Numerical Simulation of Propeller Ice Accretion.
Academic chapter
-
Hermanson, Mark H.;
Isaksson, Elisabeth;
Hann, Richard;
Ruggirello, Rachel M.;
Teixeira, Camilla;
Muir, Derek C.G..
(2021)
Historic Atmospheric Organochlorine Pesticide and Halogenated Industrial Compound Inputs to Glacier Ice Cores in Antarctica and the Arctic.
ACS Earth and Space Chemistry
Academic article
2020
-
Narum, Edvard Frimann Løes;
Hann, Richard;
Johansen, Tor Arne.
(2020)
Optimal Mission Planning for Fixed-Wing UAVs with Electro-Thermal Icing Protection and Hybrid-Electric Power Systems.
Academic chapter
-
Hann, Richard;
Johansen, Tor Arne.
(2020)
Unsettled Topics in Unmanned Aerial Vehicle Icing.
Society of Automotive Engineers
Research report
-
Hermanson, Mark H;
Isaksson, Elisabeth;
Hann, Richard;
Teixeira, Camilla;
Muir, Derek CG.
(2020)
Deposition of Polychlorinated Biphenyls to Firn and Ice Cores at Opposite Polar Sites: Site M, Dronning Maud Land, Antarctica, and Holtedahlfonna, Svalbard.
ACS Earth and Space Chemistry
Academic article
-
Hann, Richard;
Garreau, Arthur Oliver Charles.
(2020)
Validation and Application of Novel Wind Estimation Methods with Quadcopter UAVs in the Arctic.
Universitetssenteret på Svalbard
Master thesis
-
Wallisch, Joachim;
Hann, Richard.
(2020)
Design of a low-speed icing wind tunnel for UAVs.
Academic chapter
-
Hovenburg, Anthony Reinier;
de Alcantara Andrade, Fabio Augusto;
Hann, Richard;
Rodin, Christopher D;
Arne, Johansen Tor;
Storvold, Rune.
(2020)
Long-range path planning using an aircraft performance model for battery-powered sUAS equipped with icing protection system.
IEEE Journal on Miniaturization for Air and Space Systems (J-MASS)
Academic article
-
Hovenburg, Anthony Reinier;
de Alcantara Andrade, Fabio Augusto;
Hann, Richard;
Rodin, Christopher D;
Johansen, Tor Arne;
Storvold, Rune.
(2020)
Long range path planning using an aircraft performance model for battery powered sUAS equipped with icing protection system.
IEEE Journal on Miniaturization for Air and Space Systems (J-MASS)
Academic article
-
Wallisch, Joachim;
Hann, Richard.
(2020)
Design of a Low-Speed Icing Wind Tunnel for UAVs.
University of Stuttgart
Master thesis
-
Hermanson, Mark H.;
Isaksson, Elisabeth;
Hann, Richard;
Teixeira, Camilla;
Muir, Derek C.G..
(2020)
Atmospheric Deposition of Organochlorine Pesticides and Industrial Compounds to Seasonal Surface Snow at Four Glacier Sites on Svalbard, 2013-2014.
Environmental Science and Technology
Academic article
-
Müller, Nicolas Carlo;
Hann, Richard.
(2020)
Numerical simulation of the ice accretion on a propeller of a small fixed-wing UAV.
University of Stuttgart
Master thesis
-
Hann, Richard;
Hearst, R. Jason;
Sætran, Lars Roar;
Bracchi, Tania.
(2020)
Experimental and numerical icing penalties of an S826 airfoil at low Reynolds numbers.
Aerospace
Academic article
2019
-
Hann, Richard;
Hermanson, Mark H.
(2019)
Derivation of flow rate and calibration method for high-volume air samplers.
Atmospheric Measurement Techniques
Academic article
-
Hann, Richard.
(2019)
UAV Icing: Ice Accretion Experiments and Validation.
SAE technical paper series
Academic article
-
Hann, Richard;
Borup, Kasper Trolle;
Zolich, Artur Piotr;
Sørensen, Kim Lynge;
Vestad, Håvard Nitter;
Steinert, Martin;
Johansen, Tor Arne.
(2019)
Experimental Investigations of an Icing Protection System for UAVs.
SAE technical paper series
Academic article
-
Hann, Richard.
(2019)
UAV Icing: Comparison of LEWICE and FENSAP-ICE for Anti-Icing Loads.
Academic chapter
-
Winter, Adrian;
Hann, Richard;
Wenz, Andreas Wolfgang;
Gryte, Kristoffer;
Johansen, Tor Arne.
(2019)
Stability of a Flying Wing UAV in Icing Conditions.
EUCASS Proceedings Series
Academic article
-
Fajt, Nicolas;
Hann, Richard.
(2019)
The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Airfoil.
EUCASS Proceedings Series
Popular science article
2018
-
Gryte, Kristoffer;
Hann, Richard;
Alam, Mushfiqul;
Rohac, Jan;
Johansen, Tor Arne;
Fossen, Thor I..
(2018)
Aerodynamic modeling of the Skywalker X8 Fixed-Wing Unmanned
Aerial Vehicle.
Academic chapter
-
Hann, Richard.
(2018)
UAV Icing: Comparison of LEWICE and FENSAP-ICE for Ice Accretion and Performance Degradation.
Academic chapter
2017
-
Hann, Richard;
Wenz, Andreas Wolfgang;
Gryte, Kristoffer;
Johansen, Tor Arne.
(2017)
Impact of atmospheric icing on UAV aerodynamic performance.
Academic chapter
2016
-
Hermanson, Mark H;
Hann, Richard;
Johnson, Glenn W.
(2016)
Polychlorinated Biphenyls in tree bark near former manufacturing and incineration facilities in Sauget, Illinois, United States.
Environmental Science and Technology
Academic article
Journal publications
-
Wallisch, Joachim;
Lindner, Markus Jürgen;
Borup, Kasper Trolle;
Hann, Richard.
(2026)
UAV Icing at Low Reynolds Numbers: RG-15 Airfoil Drag Increase Prediction Based on Batch-Automated CFD Simulations.
Journal of Aerospace Engineering
Academic article
-
Müller, Nicolas Carlo;
Villeneuve, Eric;
Hann, Richard.
(2026)
UAV Icing: Experimental Characterization of the Performance Impact of Ice Accretion on a Propeller.
Drones
Academic article
-
Müller, Nicolas Carlo;
Hann, Richard.
(2023)
UAV Icing: 3D simulations of propeller icing effects and anti-icing heat loads.
SAE technical paper series
Academic article
-
Hermanson, Mark H;
Isaksson, Elisabeth;
Hann, Richard;
Teixeira, Camilla;
Muir, Derek CG.
(2020)
Deposition of Polychlorinated Biphenyls to Firn and Ice Cores at Opposite Polar Sites: Site M, Dronning Maud Land, Antarctica, and Holtedahlfonna, Svalbard.
ACS Earth and Space Chemistry
Academic article
-
Haaland, Ole Max;
Wenz, Andreas Wolfgang;
Gryte, Kristoffer;
Hann, Richard;
Johansen, Tor Arne.
(2021)
Detection and isolation of propeller icing and electric propulsion system faults in fixed-wing UAVs.
International Conference on Unmanned Aircraft Systems (ICUAS)
Academic article
-
Ghirardelli, Mauro;
Kral, Stephan Thomas;
Müller, Nicolas Carlo;
Hann, Richard;
Cheynet, Etienne;
Reuder, Joachim.
(2023)
Flow Structure around a Multicopter Drone: A Computational Fluid Dynamics Analysis for Sensor Placement Considerations.
Drones
Academic article
-
Hovenburg, Anthony Reinier;
de Alcantara Andrade, Fabio Augusto;
Hann, Richard;
Rodin, Christopher D;
Arne, Johansen Tor;
Storvold, Rune.
(2020)
Long-range path planning using an aircraft performance model for battery-powered sUAS equipped with icing protection system.
IEEE Journal on Miniaturization for Air and Space Systems (J-MASS)
Academic article
-
Meier, Kilian;
Hann, Richard;
Skaloud, Jan;
Garreau, Arthur.
(2022)
Wind Estimation with Multirotor UAVs.
Atmosphere
Academic article
-
Hovenburg, Anthony Reinier;
de Alcantara Andrade, Fabio Augusto;
Hann, Richard;
Rodin, Christopher D;
Johansen, Tor Arne;
Storvold, Rune.
(2020)
Long range path planning using an aircraft performance model for battery powered sUAS equipped with icing protection system.
IEEE Journal on Miniaturization for Air and Space Systems (J-MASS)
Academic article
-
Dachauer, Armin;
Hann, Richard;
Hodson, Andrew.
(2021)
Aerodynamic roughness length of crevassed tidewater glaciers from UAV mapping.
The Cryosphere
Academic article
-
Hann, Richard;
gajek, wojciech;
Pearce, Danni;
Harcourt, William David.
(2024)
Drone-based glacier mapping of Borebreen in Svalbard, 2024.
zenado
Academic article
-
Jawak, Shridhar D.;
Andersen, Bo Nyborg;
Pohjola, Veijo A;
Godøy, Øystein;
Hübner, Christiane;
Jennings, Inger;
Ignatiuk, Dariusz;
Holmen, Kim;
Sivertsen, Agnar;
Hann, Richard.
(2021)
SIOS’s Earth Observation (EO), Remote Sensing (RS), and operational activities in response to COVID-19.
Remote Sensing
Academic article
-
Hermanson, Mark H.;
Isaksson, Elisabeth;
Hann, Richard;
Teixeira, Camilla;
Muir, Derek C.G..
(2020)
Atmospheric Deposition of Organochlorine Pesticides and Industrial Compounds to Seasonal Surface Snow at Four Glacier Sites on Svalbard, 2013-2014.
Environmental Science and Technology
Academic article
-
Enache, Adriana;
Wallisch, Joachim;
Beeck, Jeroen Van;
Hendrick, Patrick;
Hann, Richard.
(2023)
Ice Accretion: Image Post-Processing Measurement Techniques for 2D Ice Shapes.
Aerospace
Academic article
-
Lindner, Markus Jürgen;
Wallisch, Joachim;
Hann, Richard.
(2023)
UAV Icing: Numerical Simulation of Icing Effects on Wing and Empennage.
SAE technical paper series
Academic article
-
Wallisch, Joachim;
Hann, Richard.
(2023)
UAV Icing: Intercycle Ice Effects on Aerodynamic Performance.
SAE technical paper series
Academic article
-
Hann, Richard;
Müller, Nicolas Carlo;
Wallisch, Joachim;
Lindner, Markus Jürgen.
(2023)
UAV Icing: Experimental validation data for predicting ice shapes at low Reynolds numbers.
SAE technical paper series
Academic article
-
Hann, Richard;
Hermanson, Mark H.
(2019)
Derivation of flow rate and calibration method for high-volume air samplers.
Atmospheric Measurement Techniques
Academic article
-
Hann, Richard;
Enache, Adriana;
Nielsen, Mikkel Cornelius;
Stovner, Bård Nagy;
Beeck, Jeroen Van;
Johansen, Tor Arne;
Borup, Kasper Trolle.
(2021)
Experimental Heat Loads for Electrothermal Anti-Icing and De-Icing on UAVs.
Aerospace
Academic article
-
Paulsen, Ingrid Marie Garfelt;
Pedersen, Åshild Ønvik;
Hann, Richard;
Blanchet, Marie-Anne;
Eischeid, Isabell;
Van Hazendonk, Charlotte Maartje;
Ravolainen, Virve;
Stien, Audun;
Le Moullec, Mathilde.
(2022)
How Many Reindeer? UAV Surveys as an Alternative to Helicopter or Ground Surveys for Estimating Population Abundance in Open Landscapes.
Remote Sensing
Academic article
-
Cheung, Michael;
Hann, Richard;
Johansen, Tor Arne.
(2023)
UAV Icing: Icing Cases for Validation of Path Planning Method.
SAE technical paper series
Academic article
-
Hann, Richard;
Hearst, R. Jason;
Sætran, Lars Roar;
Bracchi, Tania.
(2020)
Experimental and numerical icing penalties of an S826 airfoil at low Reynolds numbers.
Aerospace
Academic article
-
Hann, Richard.
(2019)
UAV Icing: Ice Accretion Experiments and Validation.
SAE technical paper series
Academic article
-
Hann, Richard;
Borup, Kasper Trolle;
Zolich, Artur Piotr;
Sørensen, Kim Lynge;
Vestad, Håvard Nitter;
Steinert, Martin;
Johansen, Tor Arne.
(2019)
Experimental Investigations of an Icing Protection System for UAVs.
SAE technical paper series
Academic article
-
Heramarwan, Henidya;
Müller, Nicolas Carlo;
Hann, Richard;
Lutz, Thorsten.
(2023)
UAM Icing: Ice Accretion Experiments and CFD Icing Simulations on Rotors for eVTOL Unmanned Aircraft.
SAE technical paper series
Academic article
-
Hann, Richard;
Johansen, Tor Arne.
(2021)
UAV icing: the influence of airspeed and chord length on performance degradation.
Aircraft Engineering and Aerospace Technology
Academic article
-
Løw-Hansen, Bogdan;
Müller, Nicolas Carlo;
Coates, Erlend Magnus Lervik;
Johansen, Tor Arne;
Hann, Richard.
(2023)
Identification of an Electric UAV Propulsion System in Icing Conditions.
SAE technical paper series
Academic article
-
Müller, Nicolas Carlo;
Løw-Hansen, Bogdan;
Borup, Kasper Trolle;
Hann, Richard.
(2023)
UAV icing: Development of an ice protection system for the propeller of a small UAV.
Cold Regions Science and Technology
Academic article
-
Løw-Hansen, Bogdan;
Hann, Richard;
Gryte, Kristoffer;
Johansen, Tor Arne;
Deiler, Christoph.
(2025)
Modeling and identification of a small fixed-wing UAV using estimated aerodynamic angles.
CEAS Aeronautical Journal
Academic article
-
Hermanson, Mark H;
Hann, Richard;
Johnson, Glenn W.
(2016)
Polychlorinated Biphenyls in tree bark near former manufacturing and incineration facilities in Sauget, Illinois, United States.
Environmental Science and Technology
Academic article
-
Hermanson, Mark H.;
Isaksson, Elisabeth;
Hann, Richard;
Ruggirello, Rachel M.;
Teixeira, Camilla;
Muir, Derek C.G..
(2021)
Historic Atmospheric Organochlorine Pesticide and Halogenated Industrial Compound Inputs to Glacier Ice Cores in Antarctica and the Arctic.
ACS Earth and Space Chemistry
Academic article
-
Lockhart, Kaelan;
Sandino, Juan;
Amarasingam, Narmilan;
Hann, Richard;
Bollard, Barbara;
Gonzalez, Felipe.
(2025)
Unmanned Aerial Vehicles for Real-Time Vegetation Monitoring in Antarctica: A Review.
Remote Sensing
Academic literature review
-
Winter, Adrian;
Hann, Richard;
Wenz, Andreas Wolfgang;
Gryte, Kristoffer;
Johansen, Tor Arne.
(2019)
Stability of a Flying Wing UAV in Icing Conditions.
EUCASS Proceedings Series
Academic article
-
Fajt, Nicolas;
Hann, Richard.
(2019)
The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Airfoil.
EUCASS Proceedings Series
Popular science article
-
Wallisch, Joachim;
Lindner, Markus Jürgen;
Petersen, Øyvind Wiig;
Neunaber, Ingrid Johanne;
Bracchi, Tania Kalogiannidis;
Hearst, Robert Jason;
Hann, Richard.
(2024)
UAV Icing: Aerodynamic Degradation Caused by Intercycle and Runback Ice Shapes on an RG-15 Airfoil.
Drones
Academic article
-
Gajek, Wojciech;
Luckman, Adrian;
Harcourt, William D.;
Pearce, Danni M;
Hann, Richard.
(2025)
Utilizing Seismic Station Internal GPS for Tracking Surging Glacier Sliding Velocity.
Journal of Glaciology
Academic article
Books
-
Virk, Muhammad Shakeel;
Nygaard, Bjørn Egil;
Pettersen, Jan-Arne;
Khawaja, Hassan Abbas;
Sveen, Svein-Erik;
Han, Xingbo;
Lotfi, Arefeh;
Fikke, Svein Magnus;
Holdø, Arne Erik;
Adeel, Yousuf.
(2024)
20th International Workshop on Atmospheric Icing of
Structures (IWAIS 2024) Conference Proceedings.
UiT Norges arktiske universitet
Anthology
-
Hann, Richard.
(2024)
2nd International UAV Icing Workshop: Book of Abstracts.
2nd International UAV Icing Workshop
Anthology
Part of book/report
-
Hann, Richard.
(2026)
UAV Icing: Operational Risk Management of Icing Conditions for Beyond Visual Line of Sight (BVLOS) Missions.
Academic chapter
-
Hann, Richard;
Bärfuss, Konrad;
Betlem, Peter;
Ewertowski, Marek;
Günzel, Leonard Florian Tom;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał;
Storvold, Rune;
Sobota, Ireneusz.
(2026)
Third Update to Scientific Applications of Uncrewed Vehicles in Svalbard (UAV Svalbard 4).
Academic chapter
-
D., Harcourt, William;
Pearce, Danni M;
Wojciech, Gajek,;
Lovell, Harold;
Luckman, Adrian;
Douglas, Benn,;
Kohler, Jack;
Kääb, Andreas;
Hann, Richard.
(2025)
Surging glaciers in Svalbard: Current knowledge and perspectives for monitoring (SvalSurge).
Academic chapter
-
Müller, Nicolas Carlo;
Hann, Richard.
(2024)
UAV Icing: Comparison of the Influence of Icing on a Rotor in Vertical and Horizontal Flight.
Academic chapter
-
Narum, Edvard Frimann Løes;
Hann, Richard;
Johansen, Tor Arne.
(2020)
Optimal Mission Planning for Fixed-Wing UAVs with Electro-Thermal Icing Protection and Hybrid-Electric Power Systems.
Academic chapter
-
Wallisch, Joachim;
Hann, Richard.
(2020)
Design of a low-speed icing wind tunnel for UAVs.
Academic chapter
-
Wallisch, Joachim;
Hann, Richard.
(2022)
UAV Icing: Experimental Investigation of Ice Shedding Times with an Electrothermal De-Icing System.
Academic chapter
-
Hansen, Bogdan Løw;
Hann, Richard;
Johansen, Tor Arne.
(2022)
UAV Icing: Ice Shedding Detection Methods for an Electrothermal De-Icing System.
Academic chapter
-
Wurst, Lukas;
Wallisch, Joachim;
Hann, Richard.
(2023)
CFD Icing Simulations on a Fixed-wing UAV Engine Inlet.
Academic chapter
-
Hann, Richard.
(2022)
Hazards of In-flight Icing on Unmanned Aircraft.
Academic chapter
-
Oswald, Johannes Wolfgang;
Enache, Adriana;
Hann, Richard;
Gertjan, Glabeke;
Lutz, Thorsten.
(2022)
UAV Icing: Experimental and Numerical Study of Glaze Ice.
Academic chapter
-
Müller, Nicolas Carlo;
Hann, Richard.
(2022)
UAV Icing: A Performance Model for a UAV Propeller in Icing Conditions.
Academic chapter
-
Wallace, S;
Aiden, D;
William, D. Harcourt;
Hann, Richard;
Leontidis, G.
(2025)
Exploring Segment Anything Foundation Models for Out of Domain Crevasse Drone Image Segmentation.
Academic chapter
-
Müller, Nicolas Carlo;
Hann, Richard.
(2024)
UAV Icing: Validation of an Ice Protection System Design for a Propeller.
Academic chapter
-
Frey, Markus;
Müller, Nicolas Carlo;
Wallisch, Joachim;
Hann, Richard.
(2024)
UAV Icing: Experimental Investigation and Numerical CHT Simulations of a Propeller Ice Protection System.
Academic chapter
-
Hann, Richard.
(2024)
UAV Icing: Experimental Analysis of Icing on a Rotor of a UAV.
Academic chapter
-
Løw-Hansen, Bogdan;
Hann, Richard;
Johansen, Tor Arne;
Deiler, Christoph.
(2024)
Time-Domain System Identification and Validation of Small Fixed-Wing UAV Dynamics.
Academic chapter
-
Cheung, Michael;
Hann, Richard;
Johansen, Tor Arne.
(2022)
UAV Icing: A Unified Icing Severity Index Derived from Performance Degradation.
Academic chapter
-
Hann, Richard.
(2023)
Numerical Simulation of In-Flight Icing of Unmanned Aerial Vehicles.
Non-fiction chapter
-
Hann, Richard.
(2022)
UAV Icing: Challenges for computational fluid dynamic (CFD) tools.
Academic chapter
-
Hann, Richard;
Müller, Nicolas Carlo;
Wallisch, Joachim.
(2024)
UAV Icing: Impact Testing of Ice Fragments on a Propeller.
Academic chapter
-
Gryte, Kristoffer;
Hann, Richard;
Alam, Mushfiqul;
Rohac, Jan;
Johansen, Tor Arne;
Fossen, Thor I..
(2018)
Aerodynamic modeling of the Skywalker X8 Fixed-Wing Unmanned
Aerial Vehicle.
Academic chapter
-
Lindner, Markus Jürgen;
Hann, Richard.
(2025)
UAV Icing: Icing Effects on Control Surfaces.
Academic chapter
-
Hann, Richard.
(2019)
UAV Icing: Comparison of LEWICE and FENSAP-ICE for Anti-Icing Loads.
Academic chapter
-
Hann, Richard;
Wenz, Andreas Wolfgang;
Gryte, Kristoffer;
Johansen, Tor Arne.
(2017)
Impact of atmospheric icing on UAV aerodynamic performance.
Academic chapter
-
Högnadottir, Sif;
Gryte, Kristoffer;
Hann, Richard;
Johansen, Tor Arne.
(2023)
Inner-Loop Control of Fixed-Wing Unmanned Aerial Vehicles in Icing Conditions.
Academic chapter
-
Laurendeau, E;
Blanchet, Maxime;
Zayni, Mohamad Karim;
Hann, Richard;
Radenac, E;
Mussa, Ifrah;
Pueyo, A.
(2024)
Summary From the 2nd AIAA Ice Prediction Workshop.
Academic chapter
-
Hann, Richard;
Borup, Kasper Trolle.
(2024)
Technical requirements for RPAS operations in cold climates.
Academic chapter
-
Hann, Richard.
(2018)
UAV Icing: Comparison of LEWICE and FENSAP-ICE for Ice Accretion and Performance Degradation.
Academic chapter
-
Hann, Richard;
Altstädter, Barbara;
Betlem, Peter;
Deja, Kajetan;
Dragańska-Deja, Katarzyna;
Ewertowski, Marek;
Hartvich, Filip;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał.
(2021)
Scientific Applications of Unmanned Vehicles in Svalbard.
Non-fiction chapter
-
Lindner, Markus Jürgen;
Hann, Richard.
(2024)
UAV Icing: Comparison of Simulated 3D and 2D Ice Accretion on Wings.
Academic chapter
-
Hann, Richard;
Betlem, Peter;
Deja, Kajetan;
Hartvich, Filip;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał;
Sobota, Ireneusz;
Storvold, Rune;
Zagorski, Piotr.
(2022)
Update to Scientific Applications of Unmanned Vehicles in Svalbard.
Non-fiction chapter
-
Løw-Hansen, Bogdan;
Hann, Richard;
Stovner, Bård Nagy;
Johansen, Tor Arne.
(2023)
UAV Icing: A Survey of Recent Developments in Ice Detection Methods.
Academic chapter
-
Müller, Nicolas Carlo;
Hann, Richard;
Lutz, Thorsten.
(2021)
UAV Icing: Numerical Simulation of Propeller Ice Accretion.
Academic chapter
-
Hann, Richard;
Betlem, Peter;
Deja, Kajetan;
Ewertowski, Marek;
Hartvich, Filip;
Harm-Altstädter, B;
Jonassen, Marius Opsanger;
Lampert, Astrid;
Laska, Michał;
Sobota, Ireneusz.
(2023)
Practical Guidelines for Scientific Application of Uncrewed Aerial Vehicles in Svalbard.
Non-fiction chapter
Report
-
Hann, Richard;
Johansen, Tor Arne.
(2020)
Unsettled Topics in Unmanned Aerial Vehicle Icing.
Society of Automotive Engineers
Research report
-
Blanchard, G;
Hann, Richard;
Håkonsen, Verner;
Benmeddour, A;
Bennani, L;
Rouzaud, O.
(2024)
Computational Modelling and Simulation Methods.
NATO STO - Technical Report
Research report
-
Deiler, Christoph;
Veronesi, Federico;
Raimondo, M;
Mora, J;
Garcia, Paloma;
Frovel, M;
Gagnon, B;
Browne, Thomas;
Hann, Richard.
(2024)
Ice Detection Technologies.
NATO STO - Technical Report
Research report
-
Veronesi, Federico;
Raimondo, M;
Mingione, G;
Martin, B;
Hann, Richard;
Håkonsen, Verner;
Ki-Han, K;
Nogues, JM;
Gagnon, B.
(2024)
Ice Protection Systems.
NATO STO - Technical Report
Research report
-
Sørensen, Kim Lynge;
Borup, Kasper Trolle;
Hann, Richard;
Bernstein, B.;
Hansbø, Morten.
(2021)
UAV Atmospheric Icing Limitations: Climate Report for Norway and Surrounding Regions.
UBIQ Aerospace
Research report
Student thesis or dissertation
-
Müller, Nicolas Carlo;
Hann, Richard;
Johansen, Tor Arne;
Borup, Kasper Trolle.
(2026)
Ice accretion effects and ice protection systems for UAV propellers.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
-
Wallisch, Joachim;
Hann, Richard;
Johansen, Tor Arne;
Borup, Kasper Trolle.
(2026)
Reducing Energy Consumption of UAVs in Icing Conditions with Active Electrothermal De-Icing Ice Protection Systems.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
-
Løw-Hansen, Bogdan;
Hann, Richard;
Johansen, Tor Arne;
Deiler, Christoph;
Stovner, Bård Nagy.
(2026)
Modeling and Validation of Atmospheric Icing Effects on Small Fixed-Wing UAVs.
Norges teknisk-naturvitenskapelige universitet
Doctoral thesis
-
Hann, Richard;
Garreau, Arthur Oliver Charles.
(2020)
Validation and Application of Novel Wind Estimation Methods with Quadcopter UAVs in the Arctic.
Universitetssenteret på Svalbard
Master thesis
-
Wallisch, Joachim;
Hann, Richard.
(2020)
Design of a Low-Speed Icing Wind Tunnel for UAVs.
University of Stuttgart
Master thesis
-
Müller, Nicolas Carlo;
Hann, Richard.
(2020)
Numerical simulation of the ice accretion on a propeller of a small fixed-wing UAV.
University of Stuttgart
Master thesis
-
Högnadottir, Sif;
Johansen, Tor Arne;
Hann, Richard;
Gryte, Kristoffer.
(2022)
Inner Loop Adaptive Control of Fixed-Wing Unmanned Aerial Vehicles in Icing Conditions.
Norges teknisk-naturvitenskapelige universitet
Master thesis
Teaching
- Unmanned Aerial Vehicle: Environmental Applications – Advanced Level, guest lecturer, University of Silesia in Katowice, 2022.
- AGF-350/850 The Arctic Atmospheric Boundary Layer and Local Climate Processes, 10 ECTS, guest lecturer. University Centre in Svalbard (UNIS), 2020 & 2022.
- AG-204/221 The Physical Geography of Svalbard, 15 ECTS, guest lecturer. University Centre in Svalbard (UNIS), 2019 & 2021.
- TRST Terrestrial Remote Sensing Training, guest lecturer, Svalbard Integrated Earth Observing System (SIOS), 2020.
- AMS Advanced Modeling & Simulation Seminar Series, guest speaker. National Aeronautics and Space Administration (NASA), 2020.
- TTK4 Unmanned Aerial Vehicles, guest lecturer. Norwegian University of Science and Technology (NTNU), 2018-2019.
- AT-331/831 Arctic Environmental Pollution: Distribution and Processes, 10 ECTS, course responsible. University Centre in Svalbard (UNIS), 2017.
- AT-331/831 Arctic Environmental Pollution: Distribution and Processes, 10 ECTS, guest lecturer. University Centre in Svalbard (UNIS), 2015-2016.
- Workshop on using graphic calculators in aerospace engineering studies, course responsible. University of Stuttgart, 2012-2013.
Supervision
PhD Students (Main supervisor: 5 students, co-supervisor: 1 students)
- Nicolas Müller, Icing, performance penalties, and ice protection systems for UAV propellers, 2021–2025, UBIQ Aerospace / NTNU, main supervisor.
- Joachim Wallisch, De-icing and ice protection systems for UAVs, 2021-2025, NTNU, main-supervisor.
- Michael Cheung, Path-planning of UAVs in icing conditions, 2021-2024, NTNU, main supervisor.
- Bogdan Løw-Hansen, Ice detection, 2021-2025, NTNU, main supervisor.
- Mauro Ghirardelli, UAV-based wind measurements, UiB, co-supervisor.
- Markus Lindner, Icing performance of UAVs, 2022-2026, NTNU, main supervisor.
Master Students (Total: 22 students)
- Michael Henzler, UAV Icing on a flying wing, NTNU/Uni Stuttgart, 2023/24, main supervisor (ongoing).
- Samuel Göhring, Photogrammetry for Experimental UAV Ice shapes, NTNU/Uni Stuttgart, 2023/24, main supervisor (ongoing).
- Markus Frey, Numerical investigation of heat transfer on propeller ice protection systems for unmanned aerial vehicles, NTNU/Uni Stuttgart, 2023, main supervisor.
- Lukas Wurst, CFD icing simulations on a fixed-wing UAV engine inlet, NTNU/Uni Stuttgart, 2022/23, main supervisor.
- Henidya Heramarwan, CFD Icing Simulations on Rotors for eVTOL Unmanned Aircraft, NTNU/Uni Stuttgart, 2022/23, main supervisor.
- Stephan Van Reen, CFD Simulation of the Air Flow Field around a Ship, 2022, NTNU/UNIS/Aalto, main supervisor.
- Bogdan Løw-Hansen, Electrothermal Ice-Shedding Detection for UAVs, 2021, NTNU, supporting supervisor.
- Michael Cheung, An energy consumption model for UAVs in icing conditions, 2021, NTNU, main supervisor.
- Kilian Meier, Wind Estimation with multirotor UAVs, master thesis, 2021, UNIS / École Polytechnique Fédérale de Lausanne, main supervisor.
- Ruben Kleiven, Robust and Gain Scheduled Flight Control of Fixed-wing UAVs in Wind and Icing Conditions, master thesis, 2021, NTNU, supporting supervisor.
- Johannes Oswald, UAV Icing: Numerical and Experimental Study of Performance Penalties on an RG-15 Airfoil, master thesis, 2020/21, Uni Stuttgart / von Karman Institute / NTNU, main supervisor.
- Max Nüßle, Heat Transfer Simulations of Crevassed Glaciers, master thesis, 2020/21, Uni Stuttgart / UNIS / NTNU, main supervisor.
- Mikkel Tiller, Advanced path planning for UAVs in icing conditions, master thesis, 2020/21, NTNU, co-supervisor.
- Nicolas Müller, Numerical simulation of the ice accretion on a propeller of a small fixed-wing UAV, master thesis, 2020, NTNU / Uni Stuttgart, main supervisor.
- Armin Dachauer, Aerodynamic Roughness Length of Crevassed Tidewater Glaciers from UAV Mapping, master thesis, 2020 UNIS / ETH Zürich, main supervisor.
- Arthur Garreau, Validation and Application of Novel Wind Estimation Methods with Quadcopter UAVs in the Arctic, master thesis, 2020, UNIS / École nationale de la météorologie (ENM), main supervisor.
- Edvard Frimann Løes Narum, Mission planning for fixed-wing UAVs in wind and icing conditions, master thesis, 2020, NTNU, co-supervisor.
- Joachim Wallisch, Design of a low-speed icing wind tunnel for UAVs, master thesis, 2020, NTNU / Uni Stuttgart, main supervisor.
- Nicolas Fajt, The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Airfoil, master thesis, 2019, NTNU / Uni Stuttgart, main supervisor.
- Adrian Winter, Systems Identification, Flight Performance, and Control of a Fixed-Wing UAV in Icing Conditions, master thesis, 2019, NTNU / Uni Stuttgart, main supervisor.
- Julie Krøgenes, Aerodynamic Performance of the NREL S826 Airfoil in Icing Conditions, master thesis, 2017, NTNU, co-supervisor.
- Lovisa Brandrud, Aerodynamic Performance of the NREL S826 Airfoil in Icing Conditions, master thesis, 2017, NTNU, co-supervisor.
Outreach
Norwegian SciTech News
An airplane with significant ice build-up on its wings or propellers will sooner or later crash. Researchers at NTNU have come up with several findings that could enable drones to de-ice their wings automatically.
How to Mesh a Frozen Drone
Icing is a severe hazard that significantly limits the usage of autonomous unmanned aerial vehicles. One of the most challenging tasks is creating high-quality meshes of multiple complex ice shapes in a timely manner.
NASA AMS Seminar Series
Advanced Modeling and Simulation organised by NASA. Presentation about CFD simulation of icing on UAVs.
2026
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Conference posterGünzel, Leonard Florian Tom; Hann, Richard; Lockhart, Kaelan Bryce; Kleber, Gabrielle Emma; Ludvigsen, Martin. (2026) Observing Marine-Terminating Glaciers: A Combined Aerial and Underwater Methodology in Ice-Covered Fjords. Ocean Science Meeting 2026
2025
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LectureHann, Richard. (2025) Icing on Emerging Aircraft: Research Needs for UAVs and Beyond. Research Webinars
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Lecture
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Conference lectureHann, Richard. (2025) Drones in the Arctic – cold climate challenges for UAVs. Cold Weather Operations Conference
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Conference lectureHann, Richard. (2025) Glaciers from above and below: applying the observational pyramid in Svalbard. Svalbard Science Conference
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Conference lectureHann, Richard. (2025) Arctic Drone Applications for FAIR Data Management. NTNU Research Data Infrastructure Day
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Conference lectureHann, Richard. (2025) The icing barrier – challenges and solutions for in-flight icing on UAVs. Navy Tech
2024
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Feature articleWalthall, R; David, A; Farell, J; Hann, Richard; Johansen, Tor Arne. (2024) Aerospace Developments: Vol. 2.
2023
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Conference lectureHögnadottir, Sif; Gryte, Kristoffer; Hann, Richard; Johansen, Tor Arne. (2023) Inner-Loop Control of Fixed-Wing Unmanned Aerial Vehicles in Icing Conditions. AIAA SciTech Conference
2022
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Conference lectureHann, Richard. (2022) Update to Scientific Applications of Unmanned Vehicles in Svalbard. SIOS Polar Night Week 2022
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Conference lectureHann, Richard. (2022) Drone-based mapping of surging Scheelebreen and Vallåkrabreen glaciers in Svalbard. SIOS Online Conference
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Conference lecture
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Conference lectureHann, Richard. (2022) Drone-based mapping of Gruvefjellet in Spring and Summer for cornice risk assessment. SIOS Online Conference
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Conference lecture
2020
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Conference lectureMüller, Nicolas Carlo; Hann, Richard; Lutz, Thorsten. (2020) The Influence of Meteorological Conditions on the Icing Performance Penalties on a UAV Propeller. Deutscher Luft- und Raumfahrtkongress 2020
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Conference lectureHann, Richard. (2020) Overview of Unsettled Topics in UAV Icing. SAE International AeroTech Digital Summit
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Conference lecture
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Conference lectureHann, Richard. (2020) Opportunities and Challenges for Unmanned Aerial Vehicles (UAVs) in the Arctic. SIOS Polar Night Week
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LectureLindvall, Johannes; Lee, Leon; Virk, Muhammad Shakeel; Jin, Jia Yi; Lehtomäki, Ville; Hann, Richard; Revstedt, Johan. (2020) A CFD benchmark study of ice accretion on a wind turbine blade and a comparison to the ice accretion of a rotating blade cylinder model. WinterWind- International Wind Energy Conference
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Conference lecture
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LectureLindvall, Johannes; Lee, Leon; Lehtomäki, Ville; Virk, Muhammad Shakeel; Hann, Richard; Revstedt, Johan; Jin, Jia Yi. (2020) A CFD benchmark: Ice accretion on a wind turbine blade. WinterWind 2020
2019
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Conference lectureHann, Richard; Hodson, Andrew; Jonassen, Marius Opsanger. (2019) Glacier Mapping and Wind Estimation with UAVs on Svalbard. Svalbard Science Conference
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Conference lectureHann, Richard. (2019) Unmanned aerial vehicles (UAVs) in cold climate and wind energy applications. Winterwind Conference 2019
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Interview
2018
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Conference lectureGryte, Kristoffer; Hann, Richard; Alam, Mushfiqul; Rohac, Jan; Johansen, Tor Arne; Fossen, Thor I.. (2018) Aerodynamic modeling of the Skywalker X8 Fixed-Wing Unmanned Aerial Vehicle. 2018 International Conference on Unmanned Aerial Systems
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Lecture
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LectureHann, Richard. (2018) Wind Turbine Noise due to Icing. 2nd Wind Turbing Icing and Ice Prevention Forum
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Conference posterHann, Richard. (2018) Icing Protection Systems for Unmanned Aerial Vehicles in the Arctic. Arctic Change
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LectureHann, Richard. (2018) Icing on Unmanned Aerial Vehicles (UAVs). 2nd Wind Turbing Icing and Ice Prevention Forum
2017
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Conference lectureHann, Richard; Wenz, Andreas Wolfgang; Gryte, Kristoffer; Johansen, Tor Arne. (2017) Impact of Atmospheric Icing on UAV Aerodynamic Performance. Workshop on Research, Education and Development of Unmanned Aerial Systems (RED-UAS)
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Conference lectureHann, Richard; Veshniakova, Liudmila; Romero, Mason; Cicilio, Phylicia Rose. (2017) Cold Climate Wind Energy in Longyearbyen, 78°N. Arctic Change
2015
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Conference poster