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Performance evaluation of a micro turbo-expander for application in low-temperature solar electricity generation 被引量：3

Performance evaluation of a micro turbo-expander for application in low-temperature solar electricity generation
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摘要 A micro turbo-expander capable of high working speed was specially manufactured for use in an organic Rankine cycle (ORC).A series of tests were executed to examine the performance of the machine.In the experiment,the machine was tested under different inlet pressure conditions (0.2-0.5 MPa).Data such as the compressed air pressure,temperatures of the inlet and the outlet,rotational speed,and electric power generation were analyzed to discover underlying relationships.During the test,the rotational speed of the machine reached as high as 54 000 r/min,the peak value of the temperature drop between the inlet and the outlet reached 42 ℃,the maximum electric power generated by the motor-generator attached to the machine reached 630 W,and the efficiency of the machine reached 0.43. A micro turbo-expander capable of high working speed was specially manufactured for use in an organic Rankine cycle （ORC）. A series of tests were executed to examine the performance of the machine. In the experiment, the machine was tested under different inlet pressure conditions （0.2-0.5 MPa）. Data such as the compressed air pressure, temperatures of the inlet and the outlet, rotational speed, and electric power generation were analyzed to discover underlying relationships. During the test, the rotational speed of the machine reached as high as 54 000 r/min, the peak value of the temperature drop between the inlet and the outlet reached 42 ℃, the maximum electric power generated by the motor-generator attached to the machine reached 630 W, and the efficiency of the machine reached 0.43.
作者 Gang PEI Yun-zhu LI Jing LI Jie JI
机构地区 Department of Thermal Science and Energy Engineering
出处 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2011年第3期207-213,共7页 浙江大学学报（英文版）A辑（应用物理与工程）
基金 Project (Nos.50974150 and 50708105) supported by the National Natural Science Foundation of China
关键词 Turbo-expander SOLAR LOW-TEMPERATURE Performance evaluation 太阳能发电 扩展应用 绩效评价 微型 低温 涡轮 测试过程 进口温度
分类号 O513 [理学—低温物理] TM615 [电气工程—电力系统及自动化]
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参考文献18

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同被引文献25

  • 1高洪涛,张沛.一种小型向心透平叶轮的设计方法[J].西北电力技术,2005,33(4):30-32. 被引量：3
  • 2肖武,董宏光,李欣强,姚平经,罗行,Wilfried Roetzel.Synthesis of Large-scale Multistream Heat Exchanger Networks Based on Stream Pseudo Temperature[J].Chinese Journal of Chemical Engineering,2006,14(5):574-583. 被引量：16
  • 3马朝臣,朱庆,杨长茂,李改林,张虹,王延生.增压器涡轮叶片设计方法研究[J].汽车技术,1997(4):18-21. 被引量：5
  • 4陆贞,崔国民,张勤,高孝忠.棋盘模型在换热网络优化中的应用[J].化学工程,2007,35(6):16-19. 被引量：7
  • 5Man Wang,Jiangfeng Wang,Yuzhu Zhao,Pan Zhao,Yiping Dai.Thermodynamic analysis and optimization of a solar-driven regenerative organic Rankine cycle (ORC) based on flat-plate solar collectors[J]. Applied Thermal Engineering . 2013 (1)
  • 6H.G. Zhang,E.H. Wang,B.Y. Fan.A performance analysis of a novel system of a dual loop bottoming organic Rankine cycle (ORC) with a light-duty diesel engine[J]. Applied Energy . 2013
  • 7Guopeng Yu,Gequn Shu,Hua Tian,Haiqiao Wei,Lina Liu.Simulation and thermodynamic analysis of a bottoming Organic Rankine Cycle (ORC) of diesel engine (DE)[J]. Energy . 2012
  • 8Seok Hun Kang.Design and experimental study of ORC (organic Rankine cycle) and radial turbine using R245fa working fluid[J]. Energy . 2012 (1)
  • 9Hao Liu,Yingjuan Shao,Jinxing Li.A biomass-fired micro-scale CHP system with organic Rankine cycle (ORC) – Thermodynamic modelling studies[J]. Biomass and Bioenergy . 2011 (9)
  • 10Emilie Sauret,Andrew S. Rowlands.Candidate radial-inflow turbines and high-density working fluids for geothermal power systems[J]. Energy . 2011 (7)

引证文献3

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Journal of Zhejiang University-Science A(Applied Physics & Engineering)
2011年 第3期

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