Simulation of mixed refrigerant for diesel engine waste heat recovery system under variable conditions - 文章详情页

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摘要：

According　to　the　characteristics　of　exhaust　gas　of　diesel　engine　under　variable　conditions,　a　waste　heat　recovery　system　of　organic　Rankine　cycle　was　designed.　Under　the　different　evaporation　pressures,　the　effects　of　azeotropic　mixtures　and　zeotropic　mixtures　on　the　performance　of　waste　heat　recovery　system　of　organic　Rankine　cycle　of　vehicle　diesel　engine　in　variable　conditions　were　discussed.　Combined　with　the　practical　projects,　the　mixtures　which　was　the　most　suitable　for　this　system　was　chosen.　The　results　showed　that　the　mean　value　of　exergy　destruction　rate　of　the　ORC　system　using　the　zeotropic　mixtures　R415B　was　38%　lower　than　the　azeotropic　mixtures　R508A　under　variable　conditions.　Through　the　comparative　analysis,　the　zeotropic　mixtures　R415B　was　the　most　suitable　for　the　waste　heat　recovery　system　of　organic　Rankine　cycle　of　vehicle　diesel　engine　under　variable　conditions,　the　maximum　net　power　output　value　was　about　27.60　kW.

关键词：

Diesel engines Exhaust systems (engine) Mixtures Rankine cycle Refrigerants Solid wastes Vehicles Waste heat Waste heat utilization

作者机构：

[ 1 ] [Yang, Kai]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Zhang, Hongguang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Zhang, Jian]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Yang, Fubin]School of Mechatronic Engineering, North University of China, Taiyuan 030051, China
[ 5 ] [Wang, Zhen]School of Mechatronic Engineering, North University of China, Taiyuan 030051, China
[ 6 ] [Fan, Boyuan]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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电子邮件地址：

zhanghongguang@bjut.edu.cn

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