Forsking/publikasjonar (Research/publications), Ivar S. Ertesvåg

Doktorstudentar/Doctoral students  liste  Work in progress can be found here   and  Master-thesis students

Lærebok, oppslagsbok (Textbook, reference)

• "Turbulent strøyming og forbrenning", Tapir Akademisk Forlag, Trondheim 2000. Lærebok i turbulent forbrenning, masse- og varmetransport. ("Turbulent flow and combustion"; in Norwegian, textbook/reference book, Tapir Academic Publisher, Trondheim 2000).

Artiklar i tidsskrift og konferanser / Papers in journals and conferences (with peer review of full manuscript)

• Numerical investigation of counterflow diffusion flame of CO/H2 in oxy-fuel combustion: effects of H2O as dilutant at high strain rates (Ning Guo, Corinna Netzer, Ivar S. Ertesvåg), Energy & Fuels, Vol.38 (8), 2024, 7246-7259 doi.org/10.1021/acs.energyfuels.4c00095
  
• Safety aspects of Organic Rankine Cycles (ORC) with combustible working fluid and sub-ambient condenser pressure (Håkon Dalbakken, Ivar S. Ertesvåg), Energy Reports, Vol.11, 2024, 877-886. doi.org/10.1016/j.egyr.2023.12.050
  
  
• Fire spread in a large compartment with exposed cross-laminated timber and open ventilation conditions: #FRIC-02 - exposed wall and ceiling (Andreas Sæter Bøe, Kathinka Leikanger Friquin, Daniel Brandon, Anne Steen-Hansen, Ivar S. Ertesvåg), Fire Safety Journal, Fire Safety Journal, Vol. 141, 2023, 103986. doi.org/10.1016/j.firesaf.2023.103986
• A numerical study of flow structures and flame shape transition in swirl-stabilized turbulent premixed flames subject to local extinction (Stefanie Tomasch, Nedunchezhian Swaminathan, Christoph Spijker, Ivar S. Ertesvåg), Combustion Science and Technology (online August 2023) doi.org/10.1080/00102202.2023.2239466
• Fire spread in a large compartment with exposed cross-laminated timber and open ventilation conditions: #FRIC-01 - exposed ceiling (Andreas Sæter Bøe, Kathinka Leikanger Friquin, Daniel Brandon, Anne Steen-Hansen, Ivar S. Ertesvåg), Fire Safety Journal, Fire Safety Journal, Vol.140 , 2023, 103869. doi.org/10.1016/j.firesaf.2023.103869
• Exergetic analysis of the nCO2PP cycle with particular reference to the exergy destruction of sewage sludge due to gasification (Kamil Stasiak, Ivar Ståle Ertesvåg, Pawel Ziólkowski, Dariusz Mikielewicz), ECOS2023 - 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental impact of energy systems, Las Palmas de Gran Canaria, Spain, 25-30 June 2023 doi.org/10.52202/069564-0021
• Investigations of the extended Eddy Dissipation Concept formulation for weakly turbulent and slow chemistry flames (Bima A. Putra, Ivar S. Ertesvåg), Fuel Vol. 352, 129013, 2023 doi:10.1016/j.fuel.2023.129013
• Exergy analysis of a negative CO2 emission gas power plant based on sewage sludge gasification and CCS (Ivar S. Ertesvåg, Paweł Madejski, Paweł Ziólkowski, Dariusz Mikielewicz), Energy, Vol. 278, 2023, 12769. doi:doi.org/10.1016/j.energy.2023.127690
• Large-eddy simulations of the flow past a bluff-body with active flow control based on trapped vortex cells at Re = 50000 (Dmitry A. Lysenko, Mark Donskov, Ivar S. Ertesvåg), Ocean Engineering, Vol. 280, 114496, doi:doi.org/10.1016/j.oceaneng.2023.114496
• Entropy generation in an opposed-jet laminar non-premixed flame – effects of using reduced and global chemical mechanisms for methane-air and syngas-air combustion (Simon J. Lorentzen, Ivar S. Ertesvåg), Fuel, Vol.345, 128263, doi:10.1016/j.fuel.2023.128263
• Feedstock flexible numerical analysis of sewage sludge gasification (Corinna Netzer, Ning Guo, Ivar S. Ertesvåg, Terese Løvås), Fuel, Vol.338, 127297, 2023 doi:10.1016/j.fuel.2022.127297
• Advanced exergy analysis of the oil and gas processing plant on an offshore platform: a thermodynamic cycle approach (Juejing Sheng, Mari Voldsund, Ivar S. Ertesvåg), Energy Reports, Vol. 9, pp.820-832, 2023 (Online Dec. 2022).doi:10.1016/j.egyr.2022.12.021
  
  
• Development of a turbulence dissipation based reaction rate model for progress variable in turbulent premixed flames (Stefanie Tomasch, Nedunchezhian Swaminathan, Christoph Spijker, Ivar S. Ertesvåg), Combustion Theory and Modelling, Vol.26 (5), pp.896-915, 2022. doi: 10.1080/13647830.2022.2083525
• Scrutinizing proposed extensions to the Eddy Dissipation Concept (EDC) at low turbulence Reynolds numbers and low Damköhler numbers (Ivar S. Ertesvåg), Fuel, Vol. 309, 122032, 2022 (online Oct. 2021) https://doi.org/10.1016/j.fuel.2021.122032
  
  
• Large-eddy simulations of the flow over a semi-circular cylinder at Re = 50000 (Dmitry A. Lysenko, Mark Donskov, Ivar S. Ertesvåg), Computers and Fluids, Vol. 228, 105054, 2021.
  
• Local entropy generation and entropy fluxes of a transient flame during head-on quenching towards solid and hydrogen-permeable porous walls (Prashant S. Salimath, Ivar S. Ertesvåg); Int.J. Hydrogen Energy, Vol.46, pp. 26616-26630, 2021.doi:10.1016/j.ijhydene.2021.05.14
  
• Assessment of algebraic subgrid scale models for the flow over a triangular cylinder at Re = 45000 (D.A. Lysenko, I.S. Ertesvåg), Ocean Eng. Vol.222, 108559, 2021.
• Study of MILD combustion using LES and advanced analysis tools (Zhiyi Li, Stefanie Tomasch, Zhi X. Chen, Alessandro Parente, Ivar S. Ertesvåg, Nedunchezhian Swaminathan), Proc. Combustion Institute Vol.38, pp.5423-5432, 2021.
  
  
• Exergy analysis of combined absorption-compression heat pump with ammonia-water mixture as working fluid (M.U. Ahrens, I.S. Ertesvåg, T.M. Eikevik), Refrigeration Science and Technology, Vol. 2020-December, 2020, pp. 19-24, 14th IIR Gustav-Lorentzen Conference on Natural Fluids, GL 2020; Virtual, Kyoto; Japan; 7-9 Dec.2020; Code 165814 dx.doi.org/10.18462/iir.gl.2020.1023
  
• Computational analysis of premixed methane-air flame interacting with a solid wall or a hydrogen porous wall (Prashant S. Salimath, Ivar S. Ertesvåg, Andrea Gruber), Fuel Vol. 272, 117658, 2020
  
• Experimental study of smouldering in wood pellets with and without air draft (Virginia Rebaque, Ivar S. Ertesvåg, Ragni Fjellgaard Mikalsen, Anne Steen-Hansen)Fuel Vol.264, 116806, 2020.
  
• Analysis of some recently proposed modifications to the Eddy Dissipation Concept (EDC) (Ivar S. Ertesvåg), Combustion Science and Technology Vol.192 (6), pp.1108-1136, 2020 (online May 2019) doi.org/10.1080/00102202.2019.1611565
  
  
• Advanced exergy analysis of the oil and gas processing plant on a North Sea platform (Juejing Sheng, Mari Voldsund, Ivar S. Ertesvåg), ECOS2019, 23-28 June 2019, Wrocław, Poland.
  
• Gas turbine exhaust gas heat recovery by organic Rankine cycles (ORC) for offshore combined heat and power applications - Energy and exergy analysis (H. Nami, I.S. Ertesvåg, R  Agromayor, L. Riboldi, L.O. Nord), Energy Vol. 165, Part B, pp. 1060-1071, 2018
• Analysis of the Eddy Dissipation Concept formulation for MILD combustion modelling (Michał T. Lewandowski, Ivar S. Ertesvåg), Fuel Vol. 224, pp.687-700, 2018.
• Premixed hydrogen-air flames interacting with a hydrogen porous wall (Prashant S. Salimath, Ivar S. Ertesvåg, Andrea Gruber), Int. J. Hydrogen Energy Vol. 43 (7), pp-3822-3836, 2018.
• Reynolds-Averaged, Scale-Adaptive and Large-Eddy Simulations of Premixed Bluff-Body Combustion Using the Eddy Dissipation Concept (Dmitry Lysenko, Ivar S. Ertesvåg), Flow, Turbulence and Combustion Vol. 100 (3), pp.721-768, 2018.
  
  
• Vapor-liquid equilibrium data for the carbon dioxide and oxygen (CO2+O2) system at the temperatures 218, 233, 253, 273 and 298 K and pressures up to 14 MPa (S.F. Westman, H.G.J. Stang, S.W. Løvseth, A. Austegard, I.Snustad, I.S. Ertesvåg), Fluid Phase Equilibria Vol. 421, pp.67-87 (2016).
  
• Vapor-liquid equilibrium data for the carbon dioxide and nitrogen (CO2+N2) system at the temperatures 223, 270, 298 and 303 K and pressures up to 18 MPa (S.F. Westman, H.G.J. Stang, S.W. Løvseth, A. Austegard, I.Snustad, S.Ø. Størset, I.S. Ertesvåg), Fluid Phase Equilibria Vol. 409, pp.207-241 (2016).
  
  
• Integrated multiscale simulation of CHP based district heating system (Peifeng Li, Natasa Nord, Ivar S Ertesvåg, Zhihua Ge, Zhiping Yang), Energy Conversion and Management Vol.106, pp.337-354 (2015)
• An extended corresponding states equation of state (EoS) for CCS industry (M.Ibrahim, G.Skaugen, I.S.Ertesvåg), Chem. Engr. Sci. Vol. 137, pp 572-582 (2015).
• On turbulence criteria and model requirements for numerical simulation of turbulent flows above offshore helidecks (F. Mentzoni, I.S. Ertesvåg), J. Wind Engineering & Industrial Aerodyn. Vol. 142, pp.164-172 (2015).
• Numerical modeling of turbulence above offshore helideck - Comparison of turbulence models (F. Mentzoni, I.S. Ertesvåg, K.E. Rian, R.N. Kleiveland), J. Wind Engineering & Industrial Aerodyn. Vol. 141, pp.49-68 (2015).
• Exergy calculations based on a fixed standard reference environment versus the actual ambient conditions: Gas turbine and fuel cell examples (Ivar S. Ertesvåg), International Journal of Exergy, Vol. 16 (2), 239-261 (2015).
  
  
• Thermodynamic performance indicators for offshore oil and gas processing: Application to four North Sea facilities. (M. Voldsund, T.-V. Nguyen, B. Elmegaard, I. S. Ertesvåg and S. Kjelstrup), Oil and gas facilities facilities Vol. 3(06), pp. 51-63 (2014).
• Numerical simulation of the Sandia Flame D using the Eddy Dissipation Concept. (D. Lysenko, I.S. Ertesvåg, K.E. Rian), Flow, Turbulence and Combustion Vol. 93(4), pp. 665-687 (2014).
• On the defnition of exergy effciency for petroleum processes: Application to offshore oil and gas processing. (T.-V. Nguyen, M. Voldsund, B. Elmegaard, I. S. Ertesvåg and S. Kjelstrup), Energy Vol. 73, 264-281 (2014)
• Numerical simulation of non-premixed turbulent combustion using the Eddy Dissipation Concept and comparing with the Steady Laminar Flamelet model. (D. Lysenko, I.S. Ertesvåg, K.E. Rian), Flow, Turbulence and Combustion, Vol. 93(4) pp. 577-605 (2014).
• Modelling CO2 - water mixture thermodynamics using various equations of state (EoSs) with emphasis on the potential of the SPUNG EoS (Mohamed Ibrahim, Geir Skaugen, Ivar S Ertesvåg, Tore Haug-Warberg), Chemical Engineering Science Vol. 113, 22-34 (July 2014)
• Exergy destruction and losses on four North Sea offshore platforms: A comparative study of the oil and gas processing plants. (M. Voldsund, T.-V. Nguyen, B. Elmegaard, I. S. Ertesvåg, A. Røsjorde, K. Jøssang and S. Kjelstrup), Energy Vol. 74, pp.45-58 (2014).
• Towards simulation of far-field aerodynamic sound from a circular cylinder using OpenFOAM, (D. Lysenko, I.S. Ertesvåg, K.E. Rian), Int. J.Aeroacoustics Vol.13 (1), pp.141-168, April 2014.
• Modelling CO2–water thermodynamics using SPUNG equation of state (EoS) concept with Various Reference Fluids (M. Ibrahim, G. Skaugen, I.S.Ertesvåg), 7th Trondheim CCS Conference TCCS-7, Energy Procedia, Vol.51, pp.353-362 (2014).
• Lærarlistene – Alt folk i Ulstein 1835 (Ivar S. Ertesvåg), Norsk slektshistorisk tidsskrift Vol. 44 (1-2), s.59-74 (2014).
• Large-eddy simulation of the flow over a circular cylinder at Reynolds number 20000, D. Lysenko, I.S. Ertesvåg, K.E. Rian), Flow, Turbulence and Combustion, Vol.92 (3), pp.673-698 (2014)

• Comparative study of the sources of exergy destruction on four North Sea oil and gas platforms (M.Voldsund, T.-V. Nguyen, B. Elmegaard, I.S. Ertesvåg, A. Røsjorde, K. Jøssang, S.Kjelstrup), ECOS2013, 16-19 July 2013, Guilin, China.
• Performance indicators for evaluation of North Sea oil and gas platforms (M. Voldsund, T.-V. Nguyen, B. Elmegaard, I.S. Ertesvåg, A. Røsjorde, W. He, S. Kjelstrup), ECOS2013, 16-19 July 2013, Guilin, China.
• Energetic and exergetic efficiencies of coal-fired CHP plants used in district heating systems of China (Chunhui Liao, Ivar S. Ertesvåg, Jianing Zhao), Energy Vol.57, pp. 671-681 (2013).
• Numerical simulation with an extinction database for use with the Eddy Dissipation Concept for turbulent combustion (B. Lilleberg, D. Christ, I.S. Ertesvåg, K.E. Rian, R.Kneer), Flow, Turbulence and Combustion, Vol. 91, pp.319-346 (2013). 
• Numerical simulation of turbulent flames using the Eddy Dissipation Concept with detailed chemistry (D. Lysenko, I.S. Ertesvåg, K.E. Rian, B. Lilleberg, D.Christ), Seventh National Conference on Computational mechanics, Trondheim, 13-14 May, 2013 In: Skallerud B., Andersson H.I.,(eds.). Computational mechanics, Trondheim, p. 159-178 (2013).
• Exergy analysis of the oil and gas processing on a North Sea oil platform a real production day (Mari Voldsund, Ivar Ståle Ertesvåg, Wei He, Signe Kjelstrup), Energy, Vol.55, pp.716-727 (2013).
• Modeling of turbulent separated flows using OpenFOAM (D. Lysenko, I.S. Ertesvåg, K.E. Rian), Computers and Fluids, Vol.80, pp.408-422 (2013).

• Large-eddy simulation of the flow over a circular cylinder at Reynolds number 3900 using the OpenFOAM toolbox,  (D. Lysenko, I.S. Ertesvåg, K.E. Rian), Flow, Turbulence and Combustion, Vol.89 (4) , pp.491-518 (2012).
• Preliminary Evaluation of the SPUNG Equation of State for Modelling the Thermodynamic Properties of CO2 – Water Mixtures (M. Ibrahim, G. Skaugen, I.S.Ertesvåg), 2nd Trondheim Gas Technology Conference, Energy Procedia Vol.26, pp.90-97 (2012).
• Evaluation of the Oil and Gas Processing at a Real Production day on a North Sea Oil Platform Using Exergy Analysis (M.Voldsund, Wei He, A.Røsjorde, I.S. Ertesvåg, S. Kjelstrup), ECOS2012, 26-29 June 2012, Perugia, Italy.
• Optimized process configurations of post-combustion CO2 capture for natural-gas-fired power plant — Power plant efficiency analysis (Z.Amrollahi, I.S. Ertesvåg, O.Bolland, P.A.M. Ystad),  International Journal of Greenhouse Gas Control, Vol. 8, pp. 1-11, May 2012.
• Exergy evaluation of the arctic Snøhvit LNG processing plant in northern Norway - Significance of ambient temperature (A.B.Rian, I.S.Ertesvåg). Energy & Fuels, Vol.26(2), pp.1259-1267, Feb. 2012.
• Large Eddy Simulation in Generalized Curvilinear Coordinates using conventional approach: Theory and Validation (B. Panjwani, I.S.Ertesvåg, A.Gruber, K.E.Rian). Int. J. for Num. Methods in Fluids, Vol.69(3),pp.671-690, May 2012.

• Optimized process configurations of post-combustion CO2 capture for natural-gas-fired power plant—Exergy analysis  (Zeinab Amrollahi, Ivar S. Ertesvåg, Olav Bolland), International Journal of Greenhouse Gas Control, Vol. 5 (6), pp.1393-1405, November 2011.
• B.Panjwani, I.S. Ertesvåg, K.E. Rian: Large Eddy Simulation of a Methane Diffusion Flame: Effect of Chemical Mechanism on NOx emission, Int. J. of Fluid Mech. Research, Vol.38 (4), pp. 328-345, 2011.
• Ivar S. Ertesvåg: Exergy calculations based on fixed standard environmental conditions versus actual ambient conditions, ECOS 2011, 4-7 July 2001, Novi Sad, Serbia.
• Dmitry Lysenko, Ivar S. Ertesvåg, Kjell Erik Rian: Testing of OpenFOAM CFD code for plane turbulent bluff body flows within conventional URANS approach,  8th International Conference on CFD in Oil & Gas, Metallurgical and Process Industries SINTEF/NTNU, Trondheim Norway 21-23 June 2011 (CFD2011)
• Dmitry Lysenko, Ivar S. Ertesvåg, Kjell Erik Rian: Turbulent bluff body flows modeling using OpenFOAM technology, MekIT'11- Sixth national conference on computational mechanics, 23-24 May 2011, Trondheim, Norway.
• Uncertainties in heat-pump coefficient of performance (COP) and exergy efficiency based on standardized testing (I.S. Ertesvåg), Energy and Buildings, 43 (8), pp.1937-1946, August 2011.
• Thermodynamic analysis on post-combustion CO2 capture of natural gas fired power plant (Z.Amrollahi, I.S. Ertesvåg, O. Bolland), International Journal of Greenhouse Gas Control, Vol. 5 (3), pp.422-426
• Steam production scenarios for a natural gas processing plant with respect to exergy utilization (A.B. Rian, I.S. Ertesvåg), Energy Conversion and Management, Vol.52, pp.703-712, January 2011.

• Large Eddy Simulation of Methane Diffusion Flame: Comparison of Chemical Kinetics Mechanisms, (B. Lilleberg, B. Panjwani, I.S.Ertesvåg), 8th Int.Conf. of Numerical Analysis and Applied Mathematics, ICNAAM 2010 (Sept 2010),  to be printed in AIP Conference Proceedings
• Large Eddy Simulation of Axi-Symmetric Dump Combustor with and without Swirl in Curvilinear Coordinates, (B. Panjwani, I.S.Ertesvåg, A.Gruber, K.E.Rian), 8th Int.Conf. of Numerical Analysis and Applied Mathematics, ICNAAM 2010 (Sept 2010),  to be printed in AIP Conference Proceedings
• Turbulence combustion closure model based on the Eddy Dissipation Concept for large eddy simulation (B. Panjwani, I.S.Ertesvåg, A.Gruber, K.E.Rian), 8th Int. Conf. on Advances in Fluid Mechanics, 15 - 17 September 2010, Algarve, Portugal, to be printed in 
• Exergy analysis of the oil and gas separation processes on a North Sea oil platform (M. Voldsund, I.S. Ertesvåg, A. Røsjorde,Wei He, S. Kjelstrup), ECOS 2010, 14-17 June  2010, Lausanne, Switzerland.
• Thermodynamic analysis on post combustion CO2 capture process (Z. Amrollahi, I.S. Ertesvåg, O. Bolland), ECOS 2010, 14-17 June 2010, Lausanne, Switzerland. 
• Thermodynamic analysis of post-combustion CO2 capture of natural gas fired power plant (Z.Amrollahi, I.S. Ertesvåg, O. Bolland), Qatar, January 2010.
• Computational modeling of combustion instabilities in lean premixed turbulent combustors (B.Lilleberg, I.S.Ertesvåg, K.E.Rian), Combustion Science and Technology, Vol.181(9), pp.1107-1122, September 2009. Taylor & Francis
• Large Eddy Simulation of Backward Facing Step (B. Panjwani, I.S.Ertesvåg, A.Gruber, K.E.Rian), MekIT09 - Fifth national conference on computational mechanics, 26-27 May 2009, Trondheim, Norway.
• Alternatives for power supply to natural-gas export compressors combined with heat production evaluated with respect to exergy utilization and CO₂-emissions (P.V.Wølneberg, I.S.Ertesvåg), Energy Conversion and Management, Vol. 49 (12), pp.3531-3540, 2008. ScienceDirect
• Exergetic comparison of energy-based efficiency indicators for combined heat and power (CHP) (I.S. Ertesvåg), Energy, Vol 32 (11), pp.2038-2050 2007. ScienceDirect 
• Computational modeling of combustion instabilities in lean premixed turbulent combustors (B.Lilleberg, I.S.Ertesvåg, K.E.Rian), MekIT'07- Fourth national conference on computational mechanics, 23-24 May 2007, Trondheim, Norway.
• Sensitivity of the chemical exergy for atmospheric gases and gaseous fuels to variations in ambient conditions (I.S.Ertesvåg), Energy Conversion and Management, Vol. 48, pp.1983-1995, May 2007. ScienceDirect (pdf, subscription required)
• Efficiencies and indicators defined to promote combined heat and power (CHP), (S.J. Nesheim, I.S. Ertesvåg), Energy Conversion and Management, Vol.48, pp.1004-1015, February 2007. ScienceDirect (pdf, subscription required)
• A numerical investigation of a lifted H2/N2 turbulent jet flame in a vitiated coflow (T. Myhrvold, I.S. Ertesvåg, I.R. Gran, R. Cabra, J.-Y. Chen), Comb.Sci.Tech.,Vol.178, pp.1001-1030, June 2006. EBSCO (pdf, subscription required)
• Energy and exergy analysis of Snøhvit - an LNG processing plant in Norway (Anne Berit Rian, Helene Lie, Ivar S. Ertesvåg), ECOS2006, Heraklion, Greece, July 2006.
• Exergetic comparison of energy-based efficiency indicators for combined heat and power (CHP) (Ertesvåg and Nesheim), ECOS2005, Trondheim, 20-22 June 2005.
• Entropy production modeling in CFD of turbulent combustion flow (I.S. Ertesvåg, J. Kolbu), ECOS2005, Trondheim, 20-22 June 2005.
• Using entropy production to model Interaction between combustion and acoustics (Iandoli, Ertesvåg, Sciubba), ECOS2005, Trondheim, 20-22 June 2005.
• Editorial Introduction (Guest editors: Signe Kjelstrup, Tor Ytrehus and Ivar S. Ertesvåg; Special issue devoted to Second International Onsager Conference), Energy, Vol.30 (6), 2005
• Energy, Exergy, and Extended Exergy Analysis of the Norwegian Society 2000 (Ertesvåg), Energy, Vol.30 (5), pp. 649-675, 2005
• Exergy analysis of gas-turbine combined cycle power plant with precombustion CO2 capture (Ertesvåg, Kvamsdal, Bolland),  Energy, Vol.30 (1), pp. 5-39, 2005
• Prediction of Nitrogen Oxide Formation in Ammonia-Doped Turbulent Syngas Jet Flames , (Weydahl, Ertesvåg, Gran, Magnussen, and Kilpinen) Work in progress, 29th Symposium on Combustion, Sapporo, Japan, July 2002
• Computational Modeling of Nitric Oxide Formation in Biomass Combustion, (Weydahl, Bugge, Gran, Ertesvåg) Int.J. of Applied Mech. and Engineering, 2002, Vol.7, No.1, pp.125-141.
  
• The Vading Concept -- a new rotary-piston compressor, expander, and motor principle, (Ivar S. Ertesvåg),  J. Power and Energy -- Proceedings of the Institution of Mechanical Engineers Part A, Vol. 216, pp.283-290, 2002.
• Exergy analysis of gas-turbine combined cycle with CO2 capture using pre-combustion decarbonization of natural gas (Kvamsdal, Ertesvåg, Bolland, Tolstad), Presented at ASME Turbo Expo 2002, Amsterdam, June 2002.
• Society Exergy Analysis: A Comparison of Different Societies (Ertesvåg), Energy, Vol. 26, pp.253-270, 2001.
• Exergy Analysis of the Norwegian Society" (Ertesvåg and Mielnik), Energy, Vol.25, pp.957-973, 2000.
• The Eddy Dissipation turbulence energy cascade model (Ertesvåg and Magnussen, Comb.Sci. and Tech. Vol.159, pp.213-236, October 2000.)
• Influence of Turbulence Modeling on Predictions of Turbulent Combustion, (Gran, Ertesvåg and Magnussen), AIAA Journal, Vol.35, pp.106-110, 1997.
• Exergy analysis of solid-oxide fuel-cell (SOFC) systems" (Bedringås, Ertesvåg, Byggstøyl, Magnussen), Energy Vol.22, pp .403-412, 1997.