Browsing SINTEF Open by Author "Skaugen, Geir"
Now showing items 1-20 of 31
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Achieving 50% weight reduction of offshore steam bottoming cycles
Mazzetti, Marit Jagtoyen; Hagen, Brede; Skaugen, Geir; Lindqvist, Karl Erik Artur; Lundberg, Steinar Henning; Kristensen, Oddrun Anglevik (Peer reviewed; Journal article, 2021)Adding a bottoming cycle to the gas turbines powering offshore oil and gas production plants allows additional power to be produced from recovered excess heat. Hence, the power demand of the platform can be met by burning ... -
Analysis of Thermodynamic Models for Simulation and Optimisation of Organic Rankine Cycles
Durakovic, Goran; Skaugen, Geir (Peer reviewed; Journal article, 2019) -
CFD validation of optimized compact heatexchanger designs
Espelund, Johan Raftevold; Skaugen, Geir (Linköping Electronic Conference Proceedings;212, Chapter; Peer reviewed, 2024)In offshore oil and gas production gas turbines are used for both power production and to provide process heat. CO2 emissions from the gas turbines accounts for about 25 % of the total Norwegian emissions and installing a ... -
CO2 Capture from IGCC by Low-Temperature Synthesis Gas Separation
Berstad, David Olsson; Skaugen, Geir; Roussanaly, Simon; Anantharaman, Rahul; Nekså, Petter; Jordal, Aina Benedikte Kristin; Trædal, Stian; Gundersen, Truls (Peer reviewed; Journal article, 2022)Capture conditions for CO2 vary substantially between industrial point sources. Depending on CO2 fraction and pressure level, different capture technologies will be required for cost- and energy-efficient decarbonisation. ... -
CO2Mix Project: Experimental Determination of Thermo Physical Properties of CO2-Rich Mixtures
Løvseth, Sigurd Weidemann; Skaugen, Geir; Stang, Hans Georg Jacob; Jakobsen, Jana Poplsteinova; Wilhelmsen, Øivind; Span, Roland; Wegge, Robin (Peer reviewed; Journal article, 2013)The CO2Mix project is established in order to fill important knowledge gaps regarding thermophysical properties of CO2-rich mixtures relevant for CCS conditioning and transport. Even small amounts of impurities can have a ... -
Compact steam bottoming cycles: minimum weight design optimization and transient response of once through steam generators
Mocholí Montañés, Rubén; Skaugen, Geir; Hagen, Brede; Rohde, Daniel (Peer reviewed; Journal article, 2021)Compactness and weight minimization are key aspects for successful and widespread implementation of waste heat recovery steam cycles in off-shore oil and gas platforms due to the site weight and volume footprint constraints. ... -
Comparing exergy losses and evaluating the potential of catalyst-filled plate-fin and spiral-wound heat exchangers in a large-scale Claude hydrogen liquefaction process
Skaugen, Geir; Berstad, David Olsson; Wilhelmsen, Øivind (Journal article; Peer reviewed, 2020)Detailed heat exchanger designs are determined by matching intermediate temperatures in a large-scale Claude refrigeration process for liquefaction of hydrogen with a capacity of 125 tons/day. A comparison is made of ... -
Design optimization of compact gas turbine and steam combined cycles for combined heat and power production in a FPSO system–A case study
Mocholí Montañés, Rubén; Hagen, Brede Andre Larsen; Deng, Han; Skaugen, Geir; Morin, Nicolas; Andersen, Marius; Mazzetti, Marit Jagtoyen (Peer reviewed; Journal article, 2023)This case study aims to cover a wide range of relevant aspects related to combined cycle design, mechanical integrity and operational reliability for cogeneration of heat and power in FPSO systems. The methods consist of ... -
Dissecting the exergy balance of a hydrogen liquefier: Analysis of a scaled-up claude hydrogen liquefier with mixed refrigerant pre-cooling
Berstad, David Olsson; Skaugen, Geir; Wilhelmsen, Øivind (Peer reviewed; Journal article, 2020)For liquid hydrogen (LH2) to become an energy carrier in energy commodity markets at scales comparable to for instance LNG, liquefier capacities must be scaled up several orders of magnitude. While state-of-the-art liquefiers ... -
Effect of use of zero-carbon and low-carbon fuels on the performance of compact combined cycles for power generation
Skaugen, Geir; Bueie, Jonas; Ditaranto, Mario; Reyes Lua, Adriana (Peer reviewed; Journal article, 2025)Offshore electrical power is normally generated with several gas turbines running on natural gas produced on-site. These account for about 85% of the CO2 -emissions from the oil and gas sector in Norway. About 24% reduction ... -
Enabling Power Production from Challenging Industrial Off-Gas – Model-Based Investigation of a Novel Heat Recovery Concept
Skjervold, Vidar T.; Skaugen, Geir; Andresen, Trond; Nekså, Petter (Science et technique du froid;2020-1, Chapter; Peer reviewed, 2020)Off-gas from the metal industry is a significant surplus heat source that is often not utilized due to lack of internal and external heat demands. Power production from the surplus heat in the off-gas could be a promising ... -
Energy and Cost Evaluation of A Low-temperature CO2 Capture Unit for IGCC plants
Berstad, David Olsson; Roussanaly, Simon; Skaugen, Geir; Anantharaman, Rahul; Nekså, Petter; Jordal, Kristin (Peer reviewed; Journal article, 2014)The application of CO2 capture by liquefaction has been investigated for an integrated gasification combined cycle (IGCC). Two configurations of the process are developed–one supplying CO2 at conditions suitable for pipeline ... -
Evaluation of SPUNG* and Other Equations of State for Use in Carbon Capture and Storage Modelling
Wilhelmsen, Øivind; Skaugen, Geir; Jørstad, Oddvar; Li, Hailong (Journal article; Peer reviewed, 2012)In this work, Equations of State (EoS) relevant for carbon capture and storage modelling have been evaluated for pure CO2 and CO2-mixtures with particular focus on the extended corresponding state approach, SPUNG/SRK. Our ... -
Experimental heat exchanger test facility for evaporation and condensation of hydrocarbons
Trædal, Stian; Skaugen, Geir; Nikolaisen, Monika; Stang, Hans Georg Jacob (Science et technique du froid;, Chapter, 2020)Utilisation of natural working fluids based on hydrocarbons can reduce greenhouse gas emissions considerably. However, components and systems need to be developed further to fully exploit their thermophysical properties. ... -
A flexible and robust modelling framework for multi-stream heat exchangers
Skaugen, Geir; Kolsaker, Kjell; Walnum, Harald Taxt; Wilhelmsen, Øivind (Peer reviewed; Journal article, 2013)Heat exchangers are important units in most industrial processes. They involve physical phenomena such as condensation and evaporation including several boiling regimes. Different types of heat exchangers constructed for ... -
From droplets to process: Multilevel research approach to reduce emissions from LNG processes
Løvseth, Sigurd Weidemann; Snustad, Ingrid; Brunsvold, Amy; Skaugen, Geir; Wahl, Per Eilif; Lervåg, Karl Yngve (Peer reviewed; Journal article, 2015)In the Enabling Low-Emission LNG Systems project, SINTEF Energy Research and NTNU have since 2009 been developing knowledge and tools with the aim to enable environmental safe, cost-effective, and energy efficient LNG ... -
Investigation of non-ideal behavior of plate-fin heat exchangers in LNG services
Skaugen, Geir; Hammer, Morten; Gjennestad, Magnus Aashammer (Peer reviewed; Journal article, 2015)Using a heat exchanger with several parallel channels in boiling services, static instabilities like the Ledinegg instabilities can occur, resulting from a combination of unfortunate operating conditions and the heat ... -
Low Temperature CO2 separation - Benchmarking and recommendations for further work
Jordal, Kristin; Berstad, David Olsson; Roussanaly, Simon Nathanael; Anantharaman, Rahul; Skaugen, Geir; Nekså, Petter (SINTEF Energi. Rapport;, Research report, 2013) -
Modelling CO2-water thermodynamics using SPUNG equation of state (EOS) concept with various reference fluids
Ibrahim, Mohamed; Skaugen, Geir; Ertesvåg, Ivar Ståle (Journal article; Peer reviewed, 2014) -
A novel methodology for design optimization of heat recovery steam generators with flow-induced vibration analysis
Deng, Han; Skaugen, Geir; Næss, Erling; Zhang, Mingjie; Øiseth, Ole Andre (Peer reviewed; Journal article, 2021)Design of compact, lightweight, and robust heat recovery steam generators (HRSGs) is important for the implementation of offshore bottoming cycles. In this work, a novel methodology integrating flow-induced vibration ...