Background and activities

Area of Work


  • TEP4120 Engineering Thermodynamics
  • TEP4215 Energy and Process / Process Integration


  • NTNU coordinator for HighEFF (2016-2024)
  • Coordinator for NTNU-MIT collaboration (2013-2016)


  • Efficient use of energy in the process industries
  • Low temperature processes (ASU, LNG)
  • Design methodology for industrial plants and power stations based on (1) Pinch Analysis, (2) Exergy Analysis, and (3) Mathematical Optimization

Skills and Expertise

  • Design and optimization of heat exchanger networks
  • Thermodynamics, including Pinch Analysis and Eksergy Analysis
  • Process Optimization



  • MSc in Physics, NTNU, 1978
  • PhD in Chemical Engineering, NTNU, 1982

Work Experience

  • Norsk Hydro Research Centre, Porsgrunn, 1981-1993
  • Telemark Institute of Technology (Professor), Porsgrunn, 1993-1996
  • NTNU, Department of Energy and Process Engineering, 1996-present

Special Interests

  • Running - from 1500 m to marathon =:-)
  • Music - but lack of time =:-( 

Scientific, academic and artistic work

Displaying a selection of activities. See all publications in the database

Journal publications


  • Kjelstrup, Signe; Hustad, Johan Einar; Gundersen, Truls; Røsjorde, Audun; Tsatsaronis, George. (2005) Proceedings of The 18th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. Tapir Akademisk Forlag. 2005. ISBN 82-519-2041-8.

Part of book/report

  • Gundersen, Truls. (2013) Analysis and Design of Heat Recovery Systems for Grassroots and Retrofit Situations. Handbook of Process Integration.
  • Gundersen, Truls. (2013) Heat Integration: Targets and Heat Exchanger Network Design. Handbook of Process Integration.