Search Results - "Truls Gundersen"

Using exergy analysis to reduce power consumption in air separation units for oxy-combustion processes by Fu, Chao, Gundersen, Truls

“…Oxy-combustion is a competitive technology to capture CO2. Current air separation technologies for high volume O2 production are based on cryogenic…”
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Coal based power plants using oxy-combustion for CO2 capture: Pressurized coal combustion to reduce capture penalty by Soundararajan, Rengarajan, Gundersen, Truls

“…The goal of this paper is to design and study a new variation of an oxy-combustion coal based power plant with CO2 capture. This variation employs a…”
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At what Pressure Shall CO2 Be Transported by Ship? An in-Depth Cost Comparison of 7 and 15 Barg Shipping by Roussanaly, Simon, Deng, Han, Skaugen, Geir, Gundersen, Truls

“…The pipeline has historically been the preferred means to transport CO2 due to its low cost for short distances and opportunities for economies of scale…”
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CO2 Capture and Enhanced Hydrogen Production Enabled by Low-Temperature Separation of PSA Tail Gas: A Detailed Exergy Analysis by Berstad, David, Straus, Julian, Gundersen, Truls

“…Hydrogen from natural gas reforming can be produced efficiently with a high CO2 capture rate. This can be achieved through oxygen-blown autothermal reforming…”
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Simultaneous Optimization of Work and Heat Exchange Networks by Ibrić, Nidret, Fu, Chao, Gundersen, Truls

“…This paper introduces a simultaneous optimization approach to synthesizing work and heat exchange networks (WHENs). The proposed work and heat integration…”
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On the exergy efficiency of CO2 capture: The relation between sub-process and overall efficiencies by Berstad, David, Gundersen, Truls

“…•A generic minimum exergy targeting method for CO2 capture is presented.•Total exergy efficiency can be expressed as a function of sub-process…”
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An Extended Pinch Analysis and Design procedure utilizing pressure based exergy for subambient cooling by Aspelund, Audun, Berstad, David Olsson, Gundersen, Truls

“…A new methodology for process synthesis extending traditional Pinch Analysis with exergy calculations is described. The methodology shows great potential for…”
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Energy, economic and environmental analysis of a BOG re-liquefaction process for an LNG carrier by Hwang, Chulmin, Oh, Sungkyun, Kim, Donghoi, Gundersen, Truls, Lim, Youngsub

“…Due to tighter environmental regulations, newly built liquefied natural gas (LNG) carriers are equipped with a re-liquefaction system to minimize combustion of…”
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A Novel Integrated System Driven by Allam Cycle for the Simultaneous Energy, Water, and Waste Management by Seyed Mojtaba Alirahmi, Gürkan Sin, Ahmad Arabkoohsar, Truls Gundersen, Haoshui Yu

“…Energy and water are indispensable to human activities and economic growth, especially with increasing energy and water security concerns in the coming years…”
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CO2 Capture from IGCC by Low-Temperature Synthesis Gas Separation by Berstad, David, Skaugen, Geir, Roussanaly, Simon, Anantharaman, Rahul, Nekså, Petter, Jordal, Kristin, Trædal, Stian, Gundersen, Truls

“…Capture conditions for CO2 vary substantially between industrial point sources. Depending on CO2 fraction and pressure level, different capture technologies…”
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The importance of thermodynamic insight in Work and Heat Exchange Network Design by Chao Fu, Xiaoling Wang, Truls Gundersen

“…Work and Heat Exchange Network (WHEN) design has been an emerging topic in the area of Process Synthesis and has attracted increasing research interest in the…”
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Multi-component Fluid Cycles in Liquid Air Energy Storage by Zhongxuan Liu, Donghoi Kim, Truls Gundersen

“…With the penetration of renewable energy sources into the energy market, an emerging problem is the energy stability during energy supply and delivery. Energy…”
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Organic Rankine Cycle with Pure and Mixed Working Fluids for LNG Cold Energy Recovery by Haoshui Yu, Donghoi Kim, Xiangping Hu, Truls Gundersen

“…Liquefied Natural Gas (LNG) contains a large amount of cold exergy, which is normally wasted during the regasification process. Organic Rankine Cycles (ORCs),…”
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Heat and work integration: Fundamental insights and applications to carbon dioxide capture processes by Fu, Chao, Gundersen, Truls

“…[Display omitted] •The problem definition of heat and work integration is introduced.•The fundamental insights of heat and work integration are presented.•The…”
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A study of working fluids for Organic Rankine Cycles (ORCs) operating across and below ambient temperature to utilize Liquefied Natural Gas (LNG) cold energy by Yu, Haoshui, Kim, Donghoi, Gundersen, Truls

“…Liquefied Natural Gas (LNG) contains significant amounts of cold exergy, which is normally wasted during regasification at receiving terminals. This paper…”
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Use of exergy efficiency for the optimization of LNG processes with NGL extraction by Kim, Donghoi, Gundersen, Truls

“…In this paper, processes for liquefied natural gas (LNG) production with upstream or integrated natural gas liquids (NGL) removal have been optimized and…”
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Correct integration of compressors and expanders in above ambient heat exchanger networks by Fu, Chao, Gundersen, Truls

“…The Appropriate Placement concept (also referred to as Correct Integration) is fundamental in Pinch Analysis. The placement of reactors, distillation columns,…”
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Constraint handling in stochastic optimization algorithms for natural gas liquefaction processes by Austbø, Bjørn, Wahl, Per E., Gundersen, Truls

“…Liquefaction of natural gas requires energy intensive refrigeration. A fair comparison of different process concepts and energy efficient designs requires some…”
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Sub-ambient heat exchanger network design including expanders by Fu, Chao, Gundersen, Truls

“…This paper presents a study on the integration of heat and work. A systematic design methodology for the integration of expanders into sub-ambient heat…”
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Integrating compressors into heat exchanger networks above ambient temperature by Fu, Chao, Gundersen, Truls

“…Heat from compression processes is normally wasted to cooling water due to its low temperature or concerns about operability. The recoverable amount of heat…”
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