Browsing SINTEF Open by Author "Stang, Hans Georg Jacob"
Now showing items 1-20 of 20
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A future energy chain based on liquefied hydrogen
Berstad, David Olsson; Stang, Hans Georg Jacob; Nekså, Petter (Lecture, 2009)In the efforts to curb emissions of greenhouse gases and local pollution hydrogen has the potential of becoming a prominent energy carrier in the future energy supply, for both automotive and stationary use. Today ... -
Characterization of an ultrasonic flowmeter for liquid and dense phase carbon dioxide under static conditions
Arellano Prieto, Yessica Alexandra; Mollo, Nicholas; Løvseth, Sigurd Weidemann; Stang, Hans Georg Jacob; Bottino, Gerard (Peer reviewed; Journal article, 2022)Carbon Capture and Storage (CCS), seen as a necessary technology to mitigate global greenhouse gas emissions, requires traceable fiscal metering technologies for large-scale deployment. The present work assesses ultrasonic ... -
CO2 Liquefaction Close to the Triple Point Pressure
Trædal, Stian; Stang, Hans Georg Jacob; Snustad, Ingrid; Johansson, Martin Viktor; Berstad, David Olsson (Peer reviewed; Journal article, 2021)For vessel-based transport of liquid CO2 in carbon capture and storage chains, transport at 8 bar(a) enable significant cost reductions compared to transport at higher pressures for most transport distances and volumes. ... -
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 ... -
Depressurization of CO2 in a pipe:High-resolution pressure and temperature data and comparison with model predictions
Munkejord, Svend Tollak; Austegard, Anders; Deng, Han; Hammer, Morten; Stang, Hans Georg Jacob; Løvseth, Sigurd Weidemann (Peer reviewed; Journal article, 2020)The design of safe and cost-efficient CO2-transportation systems is an integral part of CO2 capture and storage (CCS) deployment. To achieve this, accurate transient flow models capturing the occurrence of gas, liquid and ... -
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. ... -
Lokal kraftproduksjon hos sluttbruker - Aktuelle teknologier
Grinden, Bjørn; Morch, Andrei Z.; Brånås, Marit; Stang, Hans Georg Jacob; Berner, Monica (SINTEF Energi. Rapport;, Research report, 2002) -
Measurements of the Viscosity of Hydrogen and a (Hydrogen + Methane) Mixture with a Two-Capillary Viscometer
Betken, Benjamin; Austegard, Anders; Finotti, Francesco; Caccamo, Chiara; Stang, Hans Georg Jacob; Khosravi, Bahareh; Span, Roland (Peer reviewed; Journal article, 2024)Measurements of the viscosity of pure hydrogen and a binary (hydrogen + methane) mixture with a nominal composition 90 mol % hydrogen are presented. The measurements were conducted with a two-capillary viscometer relative ... -
Need and Measurements of Accurate Thermodynamic Data for CCS
Løvseth, Sigurd Weidemann; Westman, Snorre Foss; Austegard, Anders; Stang, Hans Georg Jacob (Journal article, 2019) -
New and accurate thermodynamic property data of CO2-EGS relevant working fluids with data
Stang, Hans Georg Jacob; Austegard, Anders; Jooss, Yannick; Szymanek, Maciej; Sowizdzal, Anna (Peer reviewed; Journal article, 2024)The article presents a new setup for the accurate measurements of the phase behaviour of CO2 mixtures relevant to CCS as well as a CO2-H2O working fluid for EGS, designed to cover the temperature range from -60 to 200 °C ... -
A new facility for viscosity and density measurements for CO2 – rich mixtures relevant for CO2 transport and storage
Khosravi, Bahareh; Austegard, Anders; Stang, Hans Georg Jacob; Einen, Caroline; Jakobsen, Jana Poplsteinova; Snustad, Ingrid; Løvseth, Sigurd Weidemann (Journal article, 2022)For safe and cost-effective design, optimization, and operation of CO2 capture, transport, and storage (CCS) processes, accurate viscosity and density data of CO2-rich mixtures are required. Currently, there are large ... -
Thermodynamics of the carbon dioxide plus argon (CO2+ Ar) system: An improved reference mixture model and measurements of vapor-liquid, vapor-solid, liquid-solid and vapor-liquid-solid phase equilibrium data at the temperatures 213–299 K and pressures up to 16 MPa
Løvseth, Sigurd Weidemann; Austegard, Anders; Westman, Snorre Foss; Stang, Hans Georg Jacob; Herrig, Stefan; Neumann, Tobias; Span, Roland (Journal article; Peer reviewed, 2018)Phase equilibrium behavior of the carbon dioxide and argon system has been investigated at the temperatures 213, 223, 243, 263, 273, 283, and 299 K. The full vapor-liquid equilibria phase envelope has been measured at all ... -
Thermodynamics of the carbon dioxide plus nitrogen plus methane (Co2 + N2 + Ch4) system: Measurements of vapor-liquid equilibrium data at temperatures from 223 to 298 K and verification of EOS-CG-2019 equation of state
Ottøy, Sindre; Neumann, Tobias; Stang, Hans Georg Jacob; Jakobsen, Jana Poplsteinova; Austegard, Anders; Løvseth, Sigurd Weidemann (Journal article; Peer reviewed, 2019)Vapor-liquid equilibria (VLE) data of the ternary mixture of CO2 + N2 + CH4 were measured at the isotherms 223 K, 253 K, 273 K, 283 K, and 298 K and for pressures in the range of 0.8 MPa–9.3 MPa. The 62 experimental dew ... -
Towards a thorough Validation of Simulation Tools for CO2 Pipeline Transport
Drescher, Michael; Fahmi, Adil; Aursand, Peder; Hammer, Morten; Lund, Halvor; Stang, Hans Georg Jacob; Austegard, Anders (Journal article; Peer reviewed, 2017)In this work the Schlumberger flow assurance tool OLGA and SINTEF Energy Research in-house CFD tool are assessed for their ability to describe depressurization behaviour of CO2 pipelines. For this purpose, three full-bore ... -
Valg mellom naturlig, hybrid og mekanisk ventilasjon
Mathisen, Hans Martin; Stang, Hans Georg Jacob; Kleiven, Tommy; Tjelflaat, Per Olaf (Teknisk rapport / SINTEF energiforskning;, Research report, 2004) -
Vapor - liquid equilibrium of the carbon dioxide/methane mixture at three isotherms
Petropoulou, Eirini; Voutsas, Epaminondas; Westman, Snorre Foss; Austegard, Anders; Stang, Hans Georg Jacob; Løvseth, Sigurd Weidemann (Journal article; Peer reviewed, 2018) -
Vapor-liquid equilibrium data for the carbon dioxide and carbon monoxide (CO2 + CO) system at the temperatures 253, 273, 283 and 298 K and pressures up to 13 MPawq32e
Westman, Snorre Foss; Austegard, Anders; Stang, Hans Georg Jacob; Løvseth, Sigurd Weidemann (Journal article; Peer reviewed, 2018)Vapor-liquid equilibrium measurements for the binary system CO2 + CO are reported at 253, 273, 283 and 298 K, with estimated standard uncertainties of maximum 9 mK in temperature, maximum 3 kPa in pressure, and maximum ... -
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
Westman, Snorre Foss; Stang, Hans Georg Jacob; Løvseth, Sigurd Weidemann; Austegard, Anders; Snustad, Ingrid; Størset, Sigmund Østtveit; Ertesvåg, Ivar Ståle (Journal article; Peer reviewed, 2015)A new setup for the measurement of vapor-liquid phase equilibria of CO2-rich mixtures relevant for carbon capture and storage (CCS) transport conditions is presented. An isothermal analytical method with a variable volume ... -
Vapor-liquid equilibrium data for the carbon dioxide and oxygen (CO2 + O2) system at the temperatures 218, 233, 253, 273, 288 and 298 K and pressures up to 14 MPa
Westman, Snorre Foss; Stang, Hans Georg Jacob; Løvseth, Sigurd W.; Austegard, Anders; Snustad, Ingrid; Ertesvåg, Ivar S. (Fluid Phase Equilibria;, Journal article; Peer reviewed, 2015-12-18)Accurate thermophysical data for the CO2-rich mixtures relevant for carbon capture, transport and storage (CCS) are essential for the development of the accurate equations of state (EOS) and models needed for the design ... -
Vapor-liquid equilibrium data for the carbon dioxide and oxygen (CO2 + O2) system at the temperatures 218, 233, 253, 273, 288 and 298 K and pressures up to 14 MPa
Westman, Snorre Foss; Stang, Hans Georg Jacob; Løvseth, Sigurd Weidemann; Austegard, Anders; Snustad, Ingrid; Ertesvåg, Ivar Ståle (Journal article; Peer reviewed, 2016)Accurate thermophysical data for the CO2-rich mixtures relevant for carbon capture, transport and storage (CCS) are essential for the development of the accurate equations of state (EOS) and models needed for the design ...