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  1. Employees

Språkvelger

Norsk

Erling Næss

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Erling Næss

Professor
Department of Energy and Process Engineering

erling.nass@ntnu.no
+4773592970 +479189 7970 Varmeteknisk, A409, Gløshaugen, Kolbjørn Hejes vei 1a
About Publications Teaching Outreach

About

Research areas* Industrial Heat Transfer, i.e. 

 

- Heat transfer by convection, conduction and radiation,

- Heat and mass transfer in boiling and condensation,

- Development of heat transfer components, e.g. heat exchangers, thermosyphons, high temperature cooling systems,

- Gas/particle flow with focus on fouling in heat exchangers,

- Hydrogen storage (adsorption/absorption)

 Courses lectured:

TEP 07 - Industrial Heat Engineering (graduate)

FENT 2010 - Heat and Mass Transfer (undergraduate) (Also FENA2010 / FENG2010)

EP 8200 - Convective Heat and Mass Transfer (ph.d.)

EP 8201 - Heat Transfer by Conduction and Radiation (ph.d.)

EP 8111 - Heat Exchanger Modeling (ph.d.)

EP 8202 - Advanced Industrial Heat Engineering (ph.d.)

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Bordvik, Silje; Tjelta, Morten; Næss, Erling. (2025) Experimental Investigation of Deposition of Silica Nanocolloids by Depressurizing Supercritical Water Vapor. Energies
    Academic article

2024

  • Auliano, Damiano; Auliano, Manuel; Næss, Erling. (2024) Effects of geometry on the thermal-fluid dynamics of a transition water flow in an square heated asymmetric cavity channel. International Journal of Thermal Sciences
    Academic article

2023

  • Bordvik, Silje; van Erp, Titus Sebastiaan; Ucar, Seniz; Næss, Erling. (2023) Predicting Silica Deposition from Superheated, Pressurized Steam Using Numerical Modeling of Nucleation, Agglomeration and Deposition. Energies
    Academic article
  • Bordvik, Silje; Næss, Erling. (2023) Silica Nanoparticle Formation from Supercritical Geothermal Sources. Energies
    Academic literature review
  • Auliano, Damiano; Auliano, Manuel; Næss, Erling. (2023) Towards a better understanding of heat transfer and flow mechanisms in a cavity channel with numerical simulations. International Journal of Thermal Sciences
    Academic article

2022

  • Auliano, Damiano; Auliano, Manuel; Næss, Erling. (2022) Near wall temperature measurements and turbulent features in a water flow at transition Reynolds numbers in a square heated asymmetric cavity channel. Thermal Science and Engineering Progress
    Academic article

2021

  • Jokiel, Michael; Sevault, Alexis; Banasiak, Krzysztof; Næss, Erling. (2021) Cold storage using phase change material in refrigerated display cabinets: experimental investigation. International Institute of Refrigeration
    Academic chapter/article/Conference paper
  • Chris-André, Bastin Larsen; Næss, Erling; Sevault, Alexis. (2021) Latent heat thermal energy storage from wood stoves with high-density polyethylene as phase change material. NTNU Master's Thesis
    Masters thesis
  • Deng, Han; Skaugen, Geir; Næss, Erling; Zhang, Mingjie; Øiseth, Ole Andre. (2021) A novel methodology for design optimization of heat recovery steam generators with flow-induced vibration analysis. Energy
    Academic article

2020

  • Lindqvist, Karl Erik Artur; Næss, Erling. (2020) On correction factors in thermal-hydraulic correlations for compact fin-tube bundles. Heat and Mass Transfer
    Academic article
  • Sevault, Alexis; Næss, Erling. (2020) Active latent heat storage using biowax in a central heating system of a ZEB living lab. International Institute of Refrigeration
    Academic chapter/article/Conference paper

2019

  • Sevault, Alexis; Mathisen, Henning Hvål; Næss, Erling; Skreiberg, Øyvind. (2019) Latent heat storage unit integrated on top of wood stoves: concept design and preliminary CFD modelling.
    Academic chapter/article/Conference paper
  • Lindqvist, Karl Erik Artur; Næss, Erling; Skaugen, Geir. (2019) Computational Fluid Dynamics Modeling of Flow and Heat Transfer in Fin-Tube Bundles. Norges Teknisk Naturvitenskapelige Universitet
    Doctoral dissertation
  • Sevault, Alexis; Bøhmer, Fabian; Næss, Erling; Wang, Liang. (2019) Latent heat storage for centralized heating system in a ZEB living laboratory: integration and design. IOP Conference Series: Earth and Environmental Science (EES)
    Academic article
  • Alonso, Maria Justo; Line, Tor; Næss, Erling; Ramstad, Randi Kalskin; Breuhaus, Peter Helmut Herbert; Midttømme, Kirsti. (2019) Lessons learned after one-year of use of a highly efficient neighbourhood in Norway. IOP Conference Series: Materials Science and Engineering
    Academic article

2018

  • Lindqvist, Karl Erik Artur; Wilson, Zachary; Næss, Erling; Sahinidis, Nikolaos V.. (2018) A Machine Learning Approach to Correlation Development Applied to Fin-Tube Bundle Heat Exchangers. Energies
    Academic article
  • Lindqvist, Karl Erik Artur; Næss, Erling. (2018) A validated CFD model of plain and serrated fin-tube bundles. Applied Thermal Engineering
    Academic article
  • Lindqvist, Karl Erik Artur; Næss, Erling. (2018) Numerical modeling of vortex shedding in helically wound finned tube bundles in cross flow. International Heat Transfer Conference (IHTC)
    Academic article

2016

  • Holmberg, Henrik; Acuña, José; Næss, Erling; Sønju, Otto Kristian. (2016) Numerical model for non-grouted borehole heat exchangers, Part 2?Evaluation. Geothermics
    Academic article
  • Holmberg, Henrik; Acuna, Jose; Næss, Erling; Sønju, Otto Kristian. (2016) Thermal evaluation of coaxial deep borehole heat exchangers. Renewable Energy
    Academic article
  • Hansen, Geir; Næss, Erling; Kristjansson, Kolbeinn Jakob. (2016) Analysis of a vertical flat heat pipe using potassium working fluid and a wick of compressed nickel foam. Energies
    Academic article
  • Schlemminger, Christian; Næss, Erling; Bunger, U. (2016) Cryogenic adsorption hydrogen storage with enhanced heat distribution - An in-depth investigation. International Journal of Hydrogen Energy
    Academic article
  • Kristjansson, Kolbeinn Jakob; Næss, Erling; Skreiberg, Øyvind. (2016) Dampening of wood batch combustion heat release using a phase change material heat storage: Material selection and heat storage property optimization. Energy
    Academic article

2015

  • Hansen, Geir; Næss, Erling. (2015) Performance of compressed nickel foam wicks for flat vertical heat pipes. Applied Thermal Engineering
    Academic article
  • Hansen, Geir; Næss, Erling; Kristjanson, Kolbeinn. (2015) Sintered Nickel Powder Wicks for Flat Vertical Heat Pipes. Energies
    Academic article
  • Schlemminger, Christian; Næss, Erling; Bünger, Ulrich. (2015) Adsorption hydrogen storage at cryogenic temperature – material properties and hydrogen ortho-para conversion matters. International Journal of Hydrogen Energy
    Academic article

2014

  • Ladam, Yves; Børgund, Monica Andrea; Næss, Erling. (2014) Influence of heat source cooling limitation on ORC system layout and working fluid selection: The case og aluminium industry. Light Metals
    Academic article

2013

  • Talev, Goce; Jelle, Bjørn Petter; Næss, Erling; Gustavsen, Arild; Thue, Jan Vincent. (2013) Measurement of the convective moisture transfer coefficient from porous building material surfaces applying a wind tunnel method. Journal of Building Physics
    Academic article
  • Bouhabila, El Hani; Næss, Erling; Einejord, Victoria Kielland; Kristjanson, Kolbeinn. (2013) An Innovative Compact Heat Exchanger Solution for Aluminium Off-Gas Cooling and Heat Recovery. John Wiley & Sons
    Academic chapter/article/Conference paper
  • Kristjanson, Kolbeinn; Næss, Erling; Skreiberg, Øyvind. (2013) Stable Heat Release and Distribution from Batch Combustion of Wood. European biomass conference and exhibition proceedings
    Academic article

2012

  • Nahra, Ziad Nabih; Næss, Erling. (2012) Experimental Investigation of Pool Boiling Heat Transfer of Some Single-Component, Binary and Ternary Non-Azeotropic Mixtures. Norges teknisk-naturvitenskapelige universitet NTNU
    Doctoral dissertation

2010

  • Næss, Erling. (2010) Experimental investigation of heat transfer and pressure drop in serrated-fin tube bundles with staggered tube layouts. Applied Thermal Engineering
    Academic article

2009

  • Jensen, Stian; Næss, Erling. (2009) Sensitivity Analysis of Parameters Related to the Modeling of Adsorption-Type Hydrogen Storage Tanks. Heat Transfer Research
    Academic article
  • Førde, Thomas; Næss, Erling; Yartys, Volodymyr. (2009) Modelling and experimental results of heat transfer in a metal hydride store during hydrogen charge and discharge. International Journal of Hydrogen Energy
    Academic article
  • Aleksic, Petar; Næss, Erling; Bunger, Ulrich; Sønju, Otto Kristian. (2009) Experimental Analysis of Transient Thermal Behavior in Hydrogen Cryo-Adsorption Storage Systems. Heat Transfer Research
    Academic article
  • Nahra, Ziad; Næss, Erling. (2009) Heat transfer in pool boiling of binary and ternary non-azeotropic mixtures. Heat and Mass Transfer
    Academic article

2008

  • Talev, Goce; Gustavsen, Arild; Næss, Erling. (2008) The influence of air velocity and transport properties on the surface mass transfer coefficient in a rectangular tunnel – Theory and experiments. Journal of Building Physics
    Academic article

2007

  • Næss, Erling; Sønju, Otto Kristian. (2007) An experimental study of heat transfer and pressure drop in serrated-fin tube bundless and investigation of particulate fouling in waste heat recovery heat exchangers. NTNU
    Doctoral dissertation

2003

  • Næss, Erling; Slungaard, Torbjørn; Sønju, Otto Kristian. (2003) Varmegjenvinning i urenset rågass fra aluminium elektrolyseceller. Institutt for energi- og prosessteknikk
    Report

2002

  • Temu, Abraham K.; Næss, Erling; Sønju, Otto Kristian. (2002) Development and Testing of a Probe to Monitor Gas-Side Fouling in Crossflow. Heat Transfer Engineering
    Academic article

1998

  • Næss, Erling; Bolland, Olav. (1998) Heat exchangers in gas turbine applications. [Mangler utgivernavn]
    Non-fiction book

Journal publications

  • Bordvik, Silje; Tjelta, Morten; Næss, Erling. (2025) Experimental Investigation of Deposition of Silica Nanocolloids by Depressurizing Supercritical Water Vapor. Energies
    Academic article
  • Auliano, Damiano; Auliano, Manuel; Næss, Erling. (2024) Effects of geometry on the thermal-fluid dynamics of a transition water flow in an square heated asymmetric cavity channel. International Journal of Thermal Sciences
    Academic article
  • Bordvik, Silje; van Erp, Titus Sebastiaan; Ucar, Seniz; Næss, Erling. (2023) Predicting Silica Deposition from Superheated, Pressurized Steam Using Numerical Modeling of Nucleation, Agglomeration and Deposition. Energies
    Academic article
  • Bordvik, Silje; Næss, Erling. (2023) Silica Nanoparticle Formation from Supercritical Geothermal Sources. Energies
    Academic literature review
  • Auliano, Damiano; Auliano, Manuel; Næss, Erling. (2023) Towards a better understanding of heat transfer and flow mechanisms in a cavity channel with numerical simulations. International Journal of Thermal Sciences
    Academic article
  • Auliano, Damiano; Auliano, Manuel; Næss, Erling. (2022) Near wall temperature measurements and turbulent features in a water flow at transition Reynolds numbers in a square heated asymmetric cavity channel. Thermal Science and Engineering Progress
    Academic article
  • Deng, Han; Skaugen, Geir; Næss, Erling; Zhang, Mingjie; Øiseth, Ole Andre. (2021) A novel methodology for design optimization of heat recovery steam generators with flow-induced vibration analysis. Energy
    Academic article
  • Lindqvist, Karl Erik Artur; Næss, Erling. (2020) On correction factors in thermal-hydraulic correlations for compact fin-tube bundles. Heat and Mass Transfer
    Academic article
  • Sevault, Alexis; Bøhmer, Fabian; Næss, Erling; Wang, Liang. (2019) Latent heat storage for centralized heating system in a ZEB living laboratory: integration and design. IOP Conference Series: Earth and Environmental Science (EES)
    Academic article
  • Alonso, Maria Justo; Line, Tor; Næss, Erling; Ramstad, Randi Kalskin; Breuhaus, Peter Helmut Herbert; Midttømme, Kirsti. (2019) Lessons learned after one-year of use of a highly efficient neighbourhood in Norway. IOP Conference Series: Materials Science and Engineering
    Academic article
  • Lindqvist, Karl Erik Artur; Wilson, Zachary; Næss, Erling; Sahinidis, Nikolaos V.. (2018) A Machine Learning Approach to Correlation Development Applied to Fin-Tube Bundle Heat Exchangers. Energies
    Academic article
  • Lindqvist, Karl Erik Artur; Næss, Erling. (2018) A validated CFD model of plain and serrated fin-tube bundles. Applied Thermal Engineering
    Academic article
  • Lindqvist, Karl Erik Artur; Næss, Erling. (2018) Numerical modeling of vortex shedding in helically wound finned tube bundles in cross flow. International Heat Transfer Conference (IHTC)
    Academic article
  • Holmberg, Henrik; Acuña, José; Næss, Erling; Sønju, Otto Kristian. (2016) Numerical model for non-grouted borehole heat exchangers, Part 2?Evaluation. Geothermics
    Academic article
  • Holmberg, Henrik; Acuna, Jose; Næss, Erling; Sønju, Otto Kristian. (2016) Thermal evaluation of coaxial deep borehole heat exchangers. Renewable Energy
    Academic article
  • Hansen, Geir; Næss, Erling; Kristjansson, Kolbeinn Jakob. (2016) Analysis of a vertical flat heat pipe using potassium working fluid and a wick of compressed nickel foam. Energies
    Academic article
  • Schlemminger, Christian; Næss, Erling; Bunger, U. (2016) Cryogenic adsorption hydrogen storage with enhanced heat distribution - An in-depth investigation. International Journal of Hydrogen Energy
    Academic article
  • Kristjansson, Kolbeinn Jakob; Næss, Erling; Skreiberg, Øyvind. (2016) Dampening of wood batch combustion heat release using a phase change material heat storage: Material selection and heat storage property optimization. Energy
    Academic article
  • Hansen, Geir; Næss, Erling. (2015) Performance of compressed nickel foam wicks for flat vertical heat pipes. Applied Thermal Engineering
    Academic article
  • Hansen, Geir; Næss, Erling; Kristjanson, Kolbeinn. (2015) Sintered Nickel Powder Wicks for Flat Vertical Heat Pipes. Energies
    Academic article
  • Schlemminger, Christian; Næss, Erling; Bünger, Ulrich. (2015) Adsorption hydrogen storage at cryogenic temperature – material properties and hydrogen ortho-para conversion matters. International Journal of Hydrogen Energy
    Academic article
  • Ladam, Yves; Børgund, Monica Andrea; Næss, Erling. (2014) Influence of heat source cooling limitation on ORC system layout and working fluid selection: The case og aluminium industry. Light Metals
    Academic article
  • Talev, Goce; Jelle, Bjørn Petter; Næss, Erling; Gustavsen, Arild; Thue, Jan Vincent. (2013) Measurement of the convective moisture transfer coefficient from porous building material surfaces applying a wind tunnel method. Journal of Building Physics
    Academic article
  • Kristjanson, Kolbeinn; Næss, Erling; Skreiberg, Øyvind. (2013) Stable Heat Release and Distribution from Batch Combustion of Wood. European biomass conference and exhibition proceedings
    Academic article
  • Næss, Erling. (2010) Experimental investigation of heat transfer and pressure drop in serrated-fin tube bundles with staggered tube layouts. Applied Thermal Engineering
    Academic article
  • Jensen, Stian; Næss, Erling. (2009) Sensitivity Analysis of Parameters Related to the Modeling of Adsorption-Type Hydrogen Storage Tanks. Heat Transfer Research
    Academic article
  • Førde, Thomas; Næss, Erling; Yartys, Volodymyr. (2009) Modelling and experimental results of heat transfer in a metal hydride store during hydrogen charge and discharge. International Journal of Hydrogen Energy
    Academic article
  • Aleksic, Petar; Næss, Erling; Bunger, Ulrich; Sønju, Otto Kristian. (2009) Experimental Analysis of Transient Thermal Behavior in Hydrogen Cryo-Adsorption Storage Systems. Heat Transfer Research
    Academic article
  • Nahra, Ziad; Næss, Erling. (2009) Heat transfer in pool boiling of binary and ternary non-azeotropic mixtures. Heat and Mass Transfer
    Academic article
  • Talev, Goce; Gustavsen, Arild; Næss, Erling. (2008) The influence of air velocity and transport properties on the surface mass transfer coefficient in a rectangular tunnel – Theory and experiments. Journal of Building Physics
    Academic article
  • Temu, Abraham K.; Næss, Erling; Sønju, Otto Kristian. (2002) Development and Testing of a Probe to Monitor Gas-Side Fouling in Crossflow. Heat Transfer Engineering
    Academic article

Books

  • Næss, Erling; Bolland, Olav. (1998) Heat exchangers in gas turbine applications. [Mangler utgivernavn]
    Non-fiction book

Part of book/report

  • Jokiel, Michael; Sevault, Alexis; Banasiak, Krzysztof; Næss, Erling. (2021) Cold storage using phase change material in refrigerated display cabinets: experimental investigation. International Institute of Refrigeration
    Academic chapter/article/Conference paper
  • Sevault, Alexis; Næss, Erling. (2020) Active latent heat storage using biowax in a central heating system of a ZEB living lab. International Institute of Refrigeration
    Academic chapter/article/Conference paper
  • Sevault, Alexis; Mathisen, Henning Hvål; Næss, Erling; Skreiberg, Øyvind. (2019) Latent heat storage unit integrated on top of wood stoves: concept design and preliminary CFD modelling.
    Academic chapter/article/Conference paper
  • Bouhabila, El Hani; Næss, Erling; Einejord, Victoria Kielland; Kristjanson, Kolbeinn. (2013) An Innovative Compact Heat Exchanger Solution for Aluminium Off-Gas Cooling and Heat Recovery. John Wiley & Sons
    Academic chapter/article/Conference paper

Report

  • Chris-André, Bastin Larsen; Næss, Erling; Sevault, Alexis. (2021) Latent heat thermal energy storage from wood stoves with high-density polyethylene as phase change material. NTNU Master's Thesis
    Masters thesis
  • Lindqvist, Karl Erik Artur; Næss, Erling; Skaugen, Geir. (2019) Computational Fluid Dynamics Modeling of Flow and Heat Transfer in Fin-Tube Bundles. Norges Teknisk Naturvitenskapelige Universitet
    Doctoral dissertation
  • Nahra, Ziad Nabih; Næss, Erling. (2012) Experimental Investigation of Pool Boiling Heat Transfer of Some Single-Component, Binary and Ternary Non-Azeotropic Mixtures. Norges teknisk-naturvitenskapelige universitet NTNU
    Doctoral dissertation
  • Næss, Erling; Sønju, Otto Kristian. (2007) An experimental study of heat transfer and pressure drop in serrated-fin tube bundless and investigation of particulate fouling in waste heat recovery heat exchangers. NTNU
    Doctoral dissertation
  • Næss, Erling; Slungaard, Torbjørn; Sønju, Otto Kristian. (2003) Varmegjenvinning i urenset rågass fra aluminium elektrolyseceller. Institutt for energi- og prosessteknikk
    Report

Teaching

Courses

  • TEP4906 - Sustainable energy systems, master thesis
  • FENT2010 - Heat and Mass Transfer
  • EP8202 - Advanced Industrial Heat Engineering
  • EP8200 - Convective Heat and Mass Transfer
  • FENA2010 - Heat and Mass Transfer
  • TEP4506 - Sustainable Energy Systems, Specialization Course
  • FENG2010 - Heat and Mass Transfer

Outreach

2021

  • Poster
    Sevault, Alexis; Næss, Erling; Sæterli, Ragnhild; Bastin Larsen, Chris-André; Bathen, Mina. (2021) Experimental investigation of latent heat storage integrated on top of wood stoves. University of Ljubljana, Faculty of Mechanical Engineering, Slovenia Enerstock 2021 - 15th International Conference on Energy Storage , Ljubljana, Slovenia 2021-06-09 - 2021-06-11

2019

  • Academic lecture
    Sevault, Alexis; Mathisen, Henning Hvål; Næss, Erling; Skreiberg, Øyvind. (2019) Latent heat storage unit integrated on top of wood stoves: concept design and preliminary CFD modelling. University of Lleida Eurotherm Seminar 112 - Advances in Thermal Energy Storage , Lleida 2019-05-15 - 2019-05-17
  • Academic lecture
    Sevault, Alexis; Bøhmer, Fabian; Næss, Erling; Wang, Liang. (2019) Latent heat storage for centralized heating system in a ZEB living laboratory: integration and design. NTNU 1st Nordic Conference on Zero Emission and Plus Energy Buildings , Trondheim 2019-11-06 - 2019-11-09
  • Poster
    Sevault, Alexis; Mathisen, Henning Hvål; Næss, Erling; Skreiberg, Øyvind. (2019) Integrating PCM-based thermal energy storage on top of wood stoves: concept and CFD modelling. 27th European Biomass Conference and Exhibition , Lisbon 2019-05-27 - 2019-05-30

2018

  • Academic lecture
    Lindqvist, Karl Erik Artur; Næss, Erling. (2018) NUMERICAL MODELING OF VORTEX SHEDDING IN HELICALLY WOUND FINNED TUBE BUNDLES IN CROSS FLOW. Heat & Mass Transfer Society of China 16th International Heat Transfer Conference (IHTC-16) , Beijing 2018-08-10 - 2018-08-15

2017

  • Academic lecture
    Lindqvist, Karl Erik Artur; Næss, Erling. (2017) CFD Simulation of Two Compact Fin-Tube Heat Exchanger Cores. Brunel University London 15th UK Heat Transfer Conference 2017-09-04 - 2017-09-05

2015

  • Academic lecture
    Holmberg, Henrik; Acuna, Jose L.; Næss, Erling; Sønju, Otto Kristian. (2015) Deep Borehole Heat Exchangers, Application to Ground Source Heat Pump Systems. World Geothermal Congress 2015 , Melborn 2015-04-19 - 2015-04-25

2014

  • Academic lecture
    Holfeld, Anna; Næss, Erling. (2014) Influence of the Fin Type and Base Tube Diameter of Serrated and Solid-Fin Tubes on the Heat Transfer and Pressure Drop Performance. 15th International Heat Transfer Conference , Kyoto 2014-08-10 - 2014-08-15
  • Poster
    Lazerte, Franz; Næss, Erling; Sætran, Lars Roar. (2014) A model to size offshore wind energy storage for oil platforms and other off-grid consumers. EERA/Novitech 11th Deep Sea Off-Shore R&D Conference , Trondheim 2014-01-22 - 2014-01-24

2013

  • Lecture
    Schlemminger, Christian; Næss, Erling. (2013) Scientific Disciplines and Bottlenecks of H2 and FC related Research at the Norwegian University of Science and Technology. European annual research progress review meeting 2013 , Rome 2013-10-16 - 2013-10-17
  • Academic lecture
    Adaramola, Muyiwa S.; Fadnes, Fredrik Skaug; Hammersgård, Alexander; Næss, Erling. (2013) INVESTIGATION OF PARTICLE RESUSPENSION USING KINETIC AND IMPACTION MODELS. EUROTHERM Seminar Series Heat Exchanger Fouling and Cleaning X , Budapest 2013-06-09 - 2013-06-13
  • Academic lecture
    Adaramola, Muyiwa S.; Leguillon, Antonin; Crochet, David; Næss, Erling. (2013) EXPERIMENTAL INVESTIGATION OF PARTICLE DEPOSITION ON RECTANGULAR AND CIRCULAR SHAPED HEAT EXCHANGER ELEMENTS. EUROTHERM Seminar Series Heat Exchanger Fouling and Cleaning X , Budapest 2013-06-09 - 2013-06-16
  • Academic lecture
    Kristjanson, Kolbeinn; Næss, Erling; Skreiberg, Øyvind. (2013) Stable Heat Release and Distribution from Batch Combustion of Wood. 21st European Biomass Conference and Exhibition , Copenhagen, Denmark 2013-06-03 - 2013-06-07

2012

  • Poster
    Schlemminger, Christian; Næss, Erling; Bunger, Ulrich. (2012) Cryogenic hydrogen storage in highly porous materials – A modelling approach. Int. Inst. Refrigeration Cryogenics 2012 , Dresden 2012-09-11 - 2012-09-14
  • Academic lecture
    Holmberg, Henrik; Næss, Erling; Sønju, Otto Kristian. (2012) A Novel Concept to Engineered Geothermal Systems. Stanford University 37th Workshop on Geothermal Reservoir Engineering , Stanford, Ca 2012-01-30 - 2012-02-01
  • Academic lecture
    Holmberg, Henrik; Næss, Erling; Evensen, J.E.. (2012) Thermal modeling in the Oslo rift, Norway. Stanford University 37th Workshop on Geothermal Reservoir Engineering , Stanford, Ca 2012-01-30 - 2012-02-01
  • Academic lecture
    Schlemminger, Christian; Bunger, Ulrich; Næss, Erling; Schlichtenmayer, Maurice; Hirscher, Michael; Klein, Nicole. (2012) Advanced MOFs for hydrogen storage in cryo adsorption tanks. World Hydrogen Energy Conference , Toronto 2012-06-03 - 2012-06-07

2011

  • Poster
    Schlemminger, Christian; Næss, Erling; Bunger, Ulrich. (2011) Thermo physical property measurement facilities for hydrogen storage materials. Nordic Hydrogen & Fuel Cell Conference , Malmø 2011-10-25 - 2011-10-26

2010

  • Academic lecture
    Solvang, Bård; Næss, Erling. (2010) A Model for Temperature Measurement Errors in Off-Gas Channels. INFACON XII (12th Int. ferroalloys Congress) , Helsinki 2010-06-06 - 2010-06-09
  • Academic lecture
    Nahra, Ziad; Næss, Erling; Løvland, Martin. (2010) Pool Boiling Heat Transfer of Dowtherm-A and Dowtherm-J on Smooth and Roughened Vertical Heater Surfaces. ASME 14th International Heat Transfer Conference , Washington D.C. 2010-08-08 - 2010-08-13
  • Academic lecture
    Aleksic, Petar; Næss, Erling; Bunger, Ulrich. (2010) An Experimental Investigation of Thermal Effects During Discharging Operations in a Hydrogen Cryo-Adsorption System. 7th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics , Antalya 2010-07-19 - 2010-07-21
  • Academic lecture
    Aleksic, Petar; Næss, Erling; Bunger, Ulrich; Hirscher, Michael; Schlichtenmayer, Maurice. (2010) : Influence of Thermal Effects During Fast Filling Operations an Adsorption Capacity in a Hydrogen Cryo-Adsorption Storage Tank. ASME 14th International Heat Transfer Conference , Washington D.C. 2010-08-09 - 2010-08-13
  • Academic lecture
    Bünger, Ulrich; Næss, Erling; Schlichtenmayer, Maurice; Hirscher, Michael; Senkovska, Irena; Kaskel, Stefan. (2010) Analysis of Hydrogen Storage in Porous Adsorption Materials. 18th World Hydrogen Energy Conference 2010 , Essen 2010-05-16 - 2010-05-21

2009

  • Academic lecture
    Aleksic, Petar; Næss, Erling. (2009) Experimental Study of Thermal Effects in a Hydrogen Cryo-Adsorption Storage System. ASME ASME 2009 International Mechanical Engineering Congress and Exposition , Buena Vista, Florida 2009-11-13 - 2009-11-19

2008

  • Academic lecture
    Næss, Erling. (2008) An Experimental Investigation of Heat Transfer on the Annular Side of Helically Coiled Double Pipe Heat Exchangers. 6th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics , Pretoria 2008-06-30 - 2008-07-02

2007

  • Academic lecture
    Aleksic, Petar; Næss, Erling; Bunger, Ulrich; Sønju, Otto Kristian. (2007) Experimental analysis of transient thermal behavior in cryo-adsorption storage systems. 5th Baltic Heat Transfer Conference , St. Petersburg 2007-09-19 - 2007-09-21
  • Academic lecture
    Jensen, Stian; Næss, Erling. (2007) Sensitivity analysis of parameters related to the modeling of adsorption type hydrogen storage tanks. Saint Petersburg State Polytechnical University 5th Baltic Heat Transfer Conference , Saint Petersburg 2007-09-19 - 2007-09-21
  • Academic lecture
    Jensen, Stian; Næss, Erling; Bunger, Ulrich; Sønju, Otto Kristian. (2007) A numerical study of heat and mass transfer in an adsorption type hydrogen storage tank. 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics , Sun City 2007-07-01 - 2007-07-04

2006

  • Academic lecture
    Nahra, Ziad; Næss, Erling. (2006) Heat Transfer in Pool Boiling of Binary and Ternary Non-Azeotropic Mixtures. Engineering Conferences International 6th International Conference on Boiling Heat Transfer , Spoleto 2006-05-06 - 2006-05-12
  • Academic lecture
    Næss, Erling; Slungaard, Torbjørn; Moxnes, Bjørn Petter; Sønju, Otto Kristian. (2006) Experimental Investigation of Particulate Fouling in Waste Heat Recovery from the Aluminum Industry. 13th International Heat Transfer Conference , Sydney 2006-08-12 - 2006-08-18
  • Academic lecture
    Talev, Goce; Gustavsen, Arild; Næss, Erling. (2006) The influence of air velocity and transport properties on the surface mass transfer coefficient in a rectangular tunnel – Theory and experiments. CETHIL, INSA Lyon, Claude Bernard University of Lyon IEA ECBCS Annex 41 , Lyon 2006-10-25 - 2006-10-27

2005

  • Academic lecture
    Næss, Erling. (2005) Heat transfer and pressure drop in serrated-fin tube bundles for waste heat recovery applications. 6th World Conference on Heat Transfer, Fluid Mechanics and Thermodynamics , Matsushima 2005-04-17 - 2005-04-21
  • Academic lecture
    Næss, Erling. (2005) Heat Transfer in Serrated-Fin Tube Bundles With Staggered Tube Layouts. 9th U.K. National Heat Transfer Conference , Manchester 2005-09-05 - 2005-09-06
  • Academic lecture
    Næss, Erling; Nahra, Ziad. (2005) Experimental Investigation of Pool Boiling Heat Transfer in Binary and Ternary Non-Azeotropic Mixtures. 4th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics , Cairo 2005-09-19 - 2005-09-22

1999

  • Academic lecture
    Temu, Abraham K.; Næss, Erling; Sønju, Otto Kristian. (1999) Theoretical Study of Particlde Deposition Onto a Cylinder in Crossflow. Mitigation of Heat Exchanger Fouling and its Economic and Environmental Impact , Banff 1999-07-11 - 1999-07-16
  • Academic lecture
    Temu, Abraham K.; Næss, Erling; Sønju, Otto Kristian. (1999) Experimental Study of Particle Deposition Onto a Cylinder in Crossflow. International Conference on Fouling Mitigation of Heat Exchanger Fouling and Its Economic and Environmental Implications , Banff 1999-07-11 - 1999-07-16

1998

  • Academic lecture
    Næss, Erling; Nahra, Ziad; Sønju, Otto Kristian; Knudsen, Halfdan. (1998) Study on industrial applications with helical flow shell-and-tube heat exchanger. International Conference on Heat Exchangers for Sustainable Development , Lisboa, Portugal
  • Academic lecture
    Knudsen, Halfdan; Austegaard, Anders; Næss, Erling; Sønju, Otto Kristian. (1998) Investigation of a novel helical flow shell and tube heat exchanger. 11th International Heat Transfer Conference , Kyongju, Korea

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