Browsing NTNU Open by Author "Snustad, Ingrid"
Now showing items 1-14 of 14
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A review on wetting and water condensation - perspectives for CO2 condensation
Snustad, Ingrid; Røe, Ingeborg Treu; Brunsvold, Amy; Ervik, Åsmund; He, Jianying; Zhang, Zhiliang (Journal article, 2018)Liquefaction of vapor is a necessary, but energy intensive step in several important process industries. This review identifies possible materials and surface structures for promoting dropwise condensation, known to increase ... -
CO2 Wetting on Pillar-Nanostructured Substrates
Wu, Jianyang; Snustad, Ingrid; Ervik, Åsmund; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)CO2 capture by dropwise CO2 condensation on cold solid surfaces is a promising technology. Understanding the role of the nanoscale surface and topographical features of CO2 droplet wetting characteristics is of importance ... -
Condensation heat transfer of CO2 on Cu based hierarchical and nanostructured surfaces
Snustad, Ingrid; Hollund, Lene; Ervik, Åsmund; Austegard, Anders; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Phase-change processes such as condensation are efficient means of heat transfer. However, condensation is also an energy-intensive process and extensive research is conducted to increase the heat transfer efficiency. ... -
Contact Angle and Condensation of a CO2 Droplet on a Solid Surface
Wu, Jianyang; Ervik, Åsmund; Snustad, Ingrid; Xiao, Senbo; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2018)Anthropogenic release of carbon dioxide (CO2) is a major contribution to manmade increase in global warming. Carbon capture and storage (CCS) is a necessary technology for lowering CO2 emissions to an acceptable level that ... -
Efficient Liquefaction of Carbon Dioxide on Superlyophobic Surfaces
Snustad, Ingrid; Ervik, Åsmund; Austegard, Anders; Reigstad, Gunhild Allard; He, Jianying; Zhang, Zhiliang; Brunsvold, Amy (Journal article, 2019)Liquefaction of CO2 is a necessary step in several parts of the carbon capture, transport and storage (CCS) chain, e.g. for processing for ship transport. By increasing the efficiency of condensation, a lower energy ... -
Experimental Investigations of Impurity Impact on CO2 Mixture Phase Equilibria
Løvseth, Sigurd Weidemann; Stang, Hans Georg Jacob; Westman, Snorre Foss; Snustad, Ingrid; Austegard, Anders (Journal article; Peer reviewed, 2014)A facility designed for precise measurements of phase equilibria of CO2-rich mixtures relevant for CCS conditioning and transport is demonstrated. The setup aims for high accuracy in pressure, temperature, and composition ... -
Heat transfer characteristics of CO2 condensation on common heat exchanger materials, method development and experimental results
Snustad, Ingrid; Ervik, Åsmund; Austegard, Anders; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Understanding condensation of CO2 is essential for e.g designing compact heat exchangers or processes involved in Carbon Capture and Storage. However, a consistent experimental campaign for condensation of CO2 on common ... -
Mechanisms and enhancement of CO2 condensation heat transfer
Snustad, Ingrid (Doctoral theses at NTNU;2020:236, Doctoral thesis, 2021)The aim of this thesis is to increase the understanding of the mechanisms governing Carbon Dioxide (CO2) condensation, and in that way finding a pathway towards a higher condensation efficiency. Liquefaction of CO2 occurs ... -
Mid-scale hydrogen distribution chains
Jacobsen, Lene Dahl (Master thesis, 2023)Dagens næringer streber etter å redusere karbonfotavtrykket og å gå inn i den grønne omstillingen verden sårt trenger. Hydrogen har vist seg å være en lovende løsning for grønn energi. Det er en allsidig energibærer som ... -
Nanostructuring Cu Surfaces for Efficient CO2 Condensation
Hollund, Lene (Master thesis, 2019)Utvikling av nye metoder for CO2-fangst i industrien, såkalt CO2-håndtering (CCS), er avgjørende for å kunne redusere effektene av global oppvarming i fremtiden. Kondensering av CO2 foregår i flere deler av de ulike ... -
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 ... -
Selective examination of optically and structurally separable parts within GaAs/AlGaAs core-shell nanowires by micro-photoluminescence and transmission electron microscopy
Snustad, Ingrid (Master thesis, 2013)GaAs/AlGaAs core-shell nanowires exhibit properties suitable for electronic and opto-electronic applications. In this work, individual parts of Au and self catalyzed nanowires are examined through microphotoluminescence ... -
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 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 ...