Enabling Low-Emission LNG Systems

Journal Articles

B Austbø, T Gundersen, SW Løvseth,
"Annotated bibliography - use of optimization in LNG process design and operation",
Computers & Chemical Engineering, vol. 71, no. 4, pp. 394-414, 2014

KY Lervåg, J Lowengrub,.
"Towards a second-order diffuse-domain method for solving PDES in complex geometries",
Communications in Mathematical Sciences, in press, 2014.

B Austbø, T Gundersen,
"Using Thermodynamic Insight in the Optimization of LNG Processes",
Computer Aided Chemical Engineering, vol. 33, pp. 1273-1278, 2014.

GA Reigstad,
"Numerical Network Models and Entropy Principles for Isothermal Junction Flow",
Networks and Heterogeneous Media, vol. 9, no. 1, pp. 65-95, 2014.

Å Ervik, KY Lervåg, ST Munkejord,
"A robust method for calculation interface curvature and normal vectors using an extracted local level set",
Journal of Computational Physics, vol. 257, part A, pp.259-277, 2014.

B Austbø, PE Wahl, T Gundersen,
"Constraint handling in stochastic optimization of natural gas liquefaction processes"
Computer Aided Chemical Engineering, vol. 32, pp. 445-450, 2013.

PE Wahl, SW Løvseth, MJ Mølnvik,
"Optimization of a simple LNG process using sequential quadratic programming,"
Computers & Chemical Engineering, vol. 56, pp. 27-36, 2013.

KY Lervåg, B Müller, ST Munkejord,
“Calculation of the interface curvature and normal vector with the level-set method,”
Computers and fluids, vol. 84, pp. 218-230, 2013.

Ø Wilhelmsen, G Skaugen, M Hammer, PE Wahl JC Morud,
“Time efficient solution of phase equilibria in dynamic and distributed systems with differential algebraic solvers,”
Industrial & Engineering Chemistry Research, vol. 52, no. 5, pp. 2130-2140, 2013.

G Skaugen, K Kolsaker, HT Walnum, Ø Wilhelmsen,
“A flexible and robust modelling framework for multi-stream heat exchangers,”
Computers & Chemical Engineering, vol. 49, pp. 95-104, 2013.

H Zhao, A Brunsvold, ST Munkejord,
“Transition between coalescence and bouncing of droplets on a deep liquid pool,”
International Journal of Multiphase Flow, vol. 37, no. 9, pp. 1109-19, 2011.

H Zhao, A Brunsvold, S Munkejord,
“Investigation of droplets impinging on a deep pool: transition from coalescence to jetting,”
Exp Fluids, vol. 50, no. 3, pp. 621-35, 2011/03/01, 2011.

H Zhao, A Brunsvold, ST Munkejord, MJ Mølnvik,
“An experimental method for studying the discrete droplet impact phenomena in a flammable gas environment,”
Journal of Natural Gas Science and Engineering, vol. 2, no. 5, pp. 259-69, 2010

G Skaugen, GA Gjøvåg, P Nekså, PE Wahl,
“Use of sophisticated heat exchanger simulation models for investigation of possible design and operational pitfalls in LNG processes,”
Journal of Natural Gas Science and Engineering, vol. 2, no. 5, pp. 235-43, 2010. 

Conference Publications

B. Austbø, T. Gundersen,
"Thermodynamic analysis in LNG process optimization"
in The 27th International Conferende on Efficiency, Costs, Optimization, Simulation, and Environmental Impact of Energy Systems, Turku, Finland, 2014.

B Austbø, T Gundersen;
"Optimization of a Single Expander LNG Process",
in 3rd Trondheim Gas Technology Conference, Trondheim, Norge, 2014.

A. Morin, G. A. Reigstad,
"Pipe networks: Coupling constants in a junction for the Isentropic Euler equations"
in 3rd Trondheim Gas Technology Conference, Trondheim, Norge, 2014

M. Aa. Gjennestad, S. T. Munkejord,
"Modeling of heat transport in two-phase flow and of mass transfer between the phases using the level-set method"
in 3rd Trondheim Gas Technology Conference, Trondheim, Norge, 2014

M. Bandopadhyay, A. L. Brunsvold, A. Austegard,
"Flow pattern transitions and hysteresis effect in falling film flow over horizontal tubes"
in 3rd Trondheim Gas Technology Conference, Trondheim, Norge, 2014

S. W. Løvseth, I. Snustad, A. L. Brunsvold, G. Skaugen, P. E. Wahl,
"The enabling low emission LNG systems project"
in 3rd Trondheim Gas Technology Conference, Trondheim, Norge, 2014

G. Skaugen, M. Hammer, M Aa. Gjennestad, H. T. Walnum,
"Investigation of non-ideal behavior of plate-fin heat exchangers in LNG services using optimization techniques"
in 3rd Trondheim Gas Technology Conference, Trondheim, Norge, 2014

B. Austbø, T. Gundersen,
"Using thermodynamic insight in the optimization of LNG processes. "
in 24th European Symposium on Computer Aided Process Engineering, 2014

B Austbø, T Gundersen,
"The impact of problem formulation on LNG process optimization"
in 13th AIChE Annual meeting, San Fransisco, CA, USA, 2013

B Austbø, PE Wahl, T Gundersen,
"Constraint handling in stochastic optimization of natural gas liquefaction processes"
in 23rd European Symposium on Computer Aided Process Engineering - ESCAPE, Lappeenranta, Finland, 2013

G Skaugen, HT Walnum, M Hammer, Ø Wilhelmsen, K Kolsaker,
"Design and optimisation of compact heat exchangers in processes used for liquifaction of natural gas"
in International Conference on Applied Energy, Pretoria, South Africa, 2013

A Brunsvold, H Zhao,
"Experimental methods for investigating the discrete droplet impact phenomena of a model fluid relevant for lng heat exchangers"
in ASME 2013 Fluids Engineering Summer Meeting, Incline Village, Nevada, USA, 2013

KY Lervåg, J Lowengrub,
"Towards a 2nd order diffuse-domain approach for two-phase flows in complex geometries",
in International Conference on Numerical Methods in Multiphase Flow, Penn. State University, State College, Pennsylvania, USA, 2012

Ø Wilhelmsen, G Skaugen, HT Walnum, K Kolsaker, PE Wahl, JC Morud,
"Time-efficient integration of the thermodynamics in modelling of distributed multi-pass heat exchangers with phase-change"
in 2nd Trondheim Gas Technology Conference, Trondheim, Norway, 2011

H Zhao, N Vallée, C Dorao, ST Munkejord,
"One step further from detailed experiments to design of heat exchangers for natural-gas liquefaction plants"
in 2nd Trondheim Gas Technology Conference, Trondheim, Norway, 2011

G Skaugen,
"Liquefaction of Natural Gas – How can fundamental R&D help the industry? Case studies from GTS"
in 6th Annual LNG TECH Global Summit 2011, Rotterdam, Netherlands, 2011

KY Lervåg, Å. Ervik,
"Curvature calculation for level-set methods"
in ENUMATH Conference 2011, Leicester, United Kingdom, 2011

GA Reigstad, T Flåtten,
"An improved Roe solver for the drift-flux two-phase flow model"
in 8th International Conference on COMPUTATIONAL FLUID DYNAMICS in the Oil & Gas, Metallurgical and Process Industries, Trondheim, Norway, 2011

KY Lervåg,
"Calculation of interface curvature with the level-set method"
in MekIT’11- Konferanse i beregningsorientert mekanikk (Computational Mechanics), Trondheim, Norway, 2011

H Zhao, R Ecault, CA Dorao, ST Munkejord,
"Splashing of water droplets on a tilted flowing liquid film"
in DIPSI Workshop 2011 on Droplet Impact Phenomena & Spray Investigation, Bergamo, Italy, 2011

He Zhao,
"An experimental investigation of liquid droplet impacting vertically on a deep liquid pool"
in DIPSI Workshop 2010, Bergamo, Italy, 2010

H. Zhao, A. Brunsvold, ST Munkejord, MJ Mølnvik,
"An Experimental method for studying the discrete droplet impact phenomena in a flammable gas environment"
in LNG16, Oran, Algeria, 2010

G Skaugen, GA Gjøvåg, P Nekså, PE Wahl,
"Use of sophisticated heat exchanger simulation models for investigation of possible design and operational pitfalls in LNG processes"
in 1st Trondheim Gas Technology Conference, Trondheim, Norway, 2009