Performance analysis of organic rankine cycle system based on GT-suite software - 文章详情页

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摘要：

A　numerical　simulation　model　of　ORC　system　of　stationary　CNG　engine　was　built　by　using　GT-Suite　software,　and　the　dynamic　characteristics　of　expander　were　analyzed　to　determine　the　running　state　of　the　ORC　system.　The　running　performances　of　stationary　CNG　engine-ORC　combined　system　were　investigated.　The　results　show　that　the　fluctuation　of　refrigerant　mass　flow　rate　in　expander　is　obvious　during　the　engine　runs　in　low-load　region(from　20%　to　40%　of　engine　load).　The　thermal　efficiency　of　the　combined　system　increases　with　engine　load.　However,　the　increment　of　thermal　efficiency　of　combined　system　is　slight　in　the　high-load　region　of　engine(from　90%　to　100%　of　engine　load).　Compared　with　the　stationary　CNG　engine,　the　thermal　efficiency　of　the　combined　system　can　be　increased　up　to　5%　(at　the　rated　condition　of　engine),　while　the　brake　specific　fuel　consumption(BSFC)　can　be　reduced　up　to　4%(at　the　rated　condition　of　engine).　©　2016,　Editorial　Board　of　Acta　Energiae　Solaris　Sinica.　All　right　reserved.

关键词：

Combined system; Numerical simulation; Organic Rankine cycle; Stationary CNG engine

作者机构：

[ 1 ] [Song, S.]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Song, S.]Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100124, China
[ 3 ] [Zhang, H.]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Zhang, H.]Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100124, China
[ 5 ] [Yang, F.]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China
[ 6 ] [Yang, F.]Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100124, China
[ 7 ] [Bei, C.]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China
[ 8 ] [Bei, C.]Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100124, China
[ 9 ] [Wang, H.]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China
[ 10 ] [Wang, H.]Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100124, China
[ 11 ] [Meng, F.]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China
[ 12 ] [Meng, F.]Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100124, China

通讯作者信息：

张红光
[Zhang, H.]College of Environmental and Energy Engineering, Beijing University of TechnologyChina

电子邮件地址：

zhanghongguang@bjut.edu.cn

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