Background and activities


  • Lean Manufacturing and Six Sigma Quality
  • Industry 4.0 and Lean for Process Industries
  • Digitalization in Logistics and Oil Fields, SCADA systems
  • Advanced Computer Simulation in Logistics (DES) and Fluid Systems (CFD)
  • Engineering Operations Analysis and Management - Data Analytics
  • Change Management, Learning Organizations and Buisiness Development
  • Petroleum Production Optimization, Lean Offshore
  • Multiphase Flow Simulation & Metering, 

Courses thought at NTNU

  • TLOG2002 Lean Production and Quality Management
  • PK6023 Lean Produksjon (contribution: Lean Six Sigma)
  • TLOG2003 Practical Management Science (Operasjons Analyse & Data Analytics)
  • TMAS2003 Materials, Production and Quality Management (for bachelor Maintenance Eng. students) 
  • TMAS3002 Engineering System Thinking
  • TMMT5002 Production Efficiency, Innovation, and Product Development (for Master degree in Food Technology Eng.).


  • 2012-2016 Business Development Manager, Production Optimization, Weatherford
  • 2004-2012 Researcher, SINTEF Materials & Chemistry, Flow Technology Team
  • 2000-2004 NTNU Institute of Energy and Process Technology
  • 1998-2000 TU-Graz Department of Heat Transfer and Fluid Dynamics, Austria
  • 1994-1998 Industrial Heating Systems Engineering & Manufacturing Company, Iran


  • PhD, Mechanical Engineering, Computational Fluid Turbulence, NTNU, 2004
  • MSc, Mechanical Engineering, Thermo-Fluid Dynamics, TMU, Tehran, Iran, 1995
  • BSc, Mechanical Engineering, Machine Design, IUST, Tehran, Iran, 1993


  • Quasi-3D Modelling of Two-Phase Slug Flow in Pipes  The Journal of Computational Multiphase Flows Vol 6 Nr 1 2014 
  • Simulation of Flow Regime Transitions in Vertical Pipe Flow  ICMF2013, Jeju, Korea, May 26-31, 2013
  • Two Phase Flow Prediction of Fluid Displacement Operations  ICMF2013, Jeju, Korea, May 26-31, 2013
  • LedaFlow Multidimensional Modeling of Two-Phase Slug Flow in Pipes AIChE/SPE Joint Workshop on Flow Assurance; 26-28 Sept. 2011, Houston, TX, USA
  • Multi-dimensional Modelling of Stratified Wavy Three-phase Flows Publisering: Rio Pipeline Conference 20-22 Sept 2011, Rio de Ganeiro, Brazil 
  • LedaFlow-Q3D: A Transient Tool for Simulation of Multiphase Flows in Straight and Curved Pipes CFD2011 Conference; 21-23 June 2011, Trondheim, Norway
  • Analytical Prediction of Oil Spill From Grounded Cargo Tankers Publisering: ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering Volume 2: Structures, Safety and Reliability Estoril, Portugal, June 15–20, 2008 Co-author(s): Mohammad Taghi Tavakoli, Jo̸rgen Amdahl, Bernt J. Leira
  • CFD Modeling of a Reactive Gas Stirred Three Phase Silicon Reactor 6th International Conference on CFD in Oil & Gas, Metallurgical and Process Industries, SINTEF/NTNU, Trondheim, 10-12 June 2008 
  • A Reactor Model for Ladle-Refining of Silicon Metal Publisering: 6th International Conference on CFD in Oil & Gas, Metallurgical and Process Industries, SINTEF/NTNU, Trondheim, 10-12 June 2008 Grad: Co-author(s): Stein Tore Johansen, Sean Gaal, Birger Andresen (FESIL)
  • Modelling Multiphase Metallurgical Reactor for Refining of Silicon Melt Publisering: 8th international conference on Gas-Liquid and Gas-Liquid-solid Reactor Engineering (GLS-8), New Delhi, India, 16-19th December, 2007
  • Tapping of Stratified Liquids from Packed Beds Publisering: 5th international conference on CFD in the process industries, CSIRO, Melbourne, Australia, 13 – 15 December, 2006. Co-author(s): Stein tore Johansen
  • Wall Boundary Conditions for Rough Walls Publisering: Progress in Computational Fluid Dynamics (PCFD), Volume 7 – Nos. 2/3/4, 230-236, 2007 Co-author(s): Stein Tore Johansen
  • Guest Editor, CFD Applications in Metallurgiacal and Process Industries Special issue PCFD Journal, Volume 7 – Nos. 2/3/4, 2007 
  • Structure of Turbulence in a Rod-Roughened Channel Publisering: International Journal of Heat and Fluid Flow, 27(1), 65-79, 2006 Co-author(s): Helge I. Andersson
  • Roughness Effects on Turbulent Channel Flow Publisering: Progress in Computational Fluid Dynamics (PCFD), Volume 6 – Nos. 1/2/3, 1-22, 2006. Co-author(s): Helge I. Andersson
  • Reynolds Number Effects in the Outer Layer of a Rough Wall Channel Flow Physics of Fluids, 17, pp. 065101-16, 2005 Co-author(s): O.M. Bakken, P.-Å Krogstad, H. I. Andersson
  • An Experimental and Numerical Study of Channel Flow with Rough Walls Journal of Fluid Mechanics, 530, 327-353, 2005 Co-author(s): Per-Åge Krogstad, Helge I. Andersson, Ole M. Bakken
  • DNS of Turbulent Flow in a Rod-Roughened Channel Publisering: International Journal of Heat and Fluid Flow, 25(3), 373-383, 2004 Co-author(s): Helge andersson, Michael Manhart

Scientific, academic and artistic work

A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database

Journal publications

Part of book/report

  • Tavakoli, Mohammad Taghi; Amdahl, Jørgen; Ashrafian, Alireza; Leira, Bernt Johan. (2008) Analytical Predictions of Oil Spill from Grounded Cargo Tankers. 27th International Conference on Offshore Mechanics and Arctic Engineering, 2008, Portugal.


  • Ashrafian, Alireza. (2008) A Phenomenological Reaction Model for Flash and TGA Pyrolysis of Coal. 2008. ISBN 9788214043273. SINTEF Rapport.
  • Ashrafian, Alireza. (2008) Mass Transfer Models for Reactions in Oxidative Ladle Refining of Silicon Melt. 2008. ISBN 9788214043266. SINTEF Rapport.
  • Ashrafian, Alireza. (2008) Numerical Simulation of Pyrolysis in Single Coal Particle. 2008. ISBN 9788214043280. SINTEF Rapport.
  • Ashrafian, Alireza. (2004) Numerical investigation of turbulent flow in a channel with rough walls. 2004. ISBN 82-471-6525-2.