Browsing NTNU Open by Author "Brunsvold, Amy"
Now showing items 1-16 of 16
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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 ... -
An experimental method for studying the discrete droplet impact phenomena in a flammable gas environment
Zhao, He; Brunsvold, Amy; Munkejord, Svend Tollak; Mølnvik, Mona J. (Journal article; Peer reviewed, 2010)To improve the initial design as well as to gain insight into operational issues of heat exchangers and other process equipment involving complex two-phase flow phenomena, one can choose to conduct full-scale ... -
Carbon chain analysis on a coal IGCC — CCS system with flexible multi-products
Zhang, Xiangping; Gundersen, Truls; Roussanaly, Simon; Brunsvold, Amy; Zhang, Suojiang (Journal article; Peer reviewed, 2013)A carbon chain analysis is applied to assess a complex energy conversion system with CO2 capture and storage (CCS). A coal integrated gasification combined cycle, with CCS, which co-produces electricity and liquid fuels ... -
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 ... -
Flow pattern transitions in and hysteresis effects of falling film flow over horizontal tubes related to LNG heat exchangers
Austegard, Anders; Bandopadhyay, Mayukh; Løvseth, Sigurd Weidemann; Brunsvold, Amy (Journal article; Peer reviewed, 2015)Spiral wound heat exchangers with horizontal tube configurations are used extensively in the chemical, refrigeration, petroleum and food industry, and are core components in many natural gas liquefaction plants. For improved ... -
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 ... -
Innovation in a heterogeneous CCS research centre, managerial and organizational challenges
Aasen, Tone Merethe; Mølnvik, Mona J.; Aarlien, Rune; Bredesen, Rune; Munkejord, Svend Tollak; Brunsvold, Amy; Gundersen, Truls (Journal article; Peer reviewed, 2012)Recently, the Norwegian authorities have established a number of Centres for Environment-friendly Energy Research (CEER), intended to develop new knowledge, foster breakthrough technology and promote innovation in order ... -
Integrated Techno-economic and Environmental Assessment of an Amine-based Capture
Roussanaly, Simon; Brunsvold, Amy; Hognes, Erik Skontorp; Jakobsen, Jana Poplsteinova; Zhang, Xiangping (Journal article; Peer reviewed, 2013)A systematic methodology for integrated techno-economic and environmental assessment of CCS value chains is presented and applied to assess the impact of the CO2 concentration on an amine-based post-combustion CO2 capture ... -
Investigation of droplets impinging on a deep pool: transition from coalescence to jetting
Zhao, He; Munkejord, Svend Tollak; Brunsvold, Amy (Journal article; Peer reviewed, 2011)An experimental investigation of droplets impinging vertically on a deep liquid pool of the same fluid was conducted. Coalescence and jetting as two of the main regimes were identified and studied. Five fluids, distilled ... -
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 ... -
The Norwegian CCS Research Centre (NCCS): facilitating industry-driven innovation for fast-track CCS deployment
Brunsvold, Amy; Tangen, Grethe; Størset, Sigmund Østtveit; Dawson, James; Braathen, Alvar; Steenstrup-Duch, Anne; Aarlien, Rune; Mølnvik, Mona J. (Peer reviewed; Journal article, 2020) -
Techno economic evaluation of amine based CO2 capture: impact of CO2 concentration and steam supply
Husebye, Jo; Brunsvold, Amy; Roussanaly, Simon; Zhang, Xiangping (Journal article; Peer reviewed, 2012)The timing and selection of CO2 sources will affect the cost of achieving projected CCS based emission reductions. Performed process simulations and cost estimations clearly point out the impact of CO2 concentration and ... -
Transition between coalescence and bouncing of droplets on a deep liquid pool
Zhao, He; Brunsvold, Amy; Munkejord, Svend Tollak (Journal article; Peer reviewed, 2011)This study focused on the bouncing of sub-millimetric droplets (below 0.7 mm) of three different fluids, distilled water, technical ethanol and 1-propanol on a deep liquid pool of the same fluids. Four different flow regimes ...