Thermodynamic analysis of low temperature organic Rankine cycle

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Thermodynamic analysis of low temperature organic Rankine cycle

更新时间：2025-12-10

- Thermodynamic analysis of low temperature organic Rankine cycle
- CIESC Journal Issue S2, (2010)
- 作者机构：
  
  上海交通大学制冷与低温工程研究所,上海,200240
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：30 December 2010，
  
  Published：30 December 2010
- 稿件说明：
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刘杰. Thermodynamic analysis of low temperature organic Rankine cycle[J]. CIESC Journal, 2010, (S2).
DOI：

刘杰. Thermodynamic analysis of low temperature organic Rankine cycle[J]. CIESC Journal, 2010, (S2). DOI：

摘要

汽车燃油热量仅1/3为有效能量（作为动力），其余2/3为废热，通过冷却水或排气方式排入大气，不仅极大浪费了能源而且污染了环境。以发动机的废热利用作为有机朗肯循环（ORC）的热源分析，通过对ORC系统进行数学建模，改变系统运行工况，来评价不同工质的系统循环性能并指出R245fa和R123是比较适合的循环工质。在热力学分析的基础上，与其他文献中试验数据进行了比较，结果表明本文模型是可靠的，为有机朗肯循环的系统设计指明了方向。

Abstract

Only one-third of vehicle fuel heat energy is used to drive the motor，while the remaining two-thirds directly exhaust through the air and cooling water.It is not only a huge of waste but also pollutes the environment.So the waste heat of motor was studied as a heat resource of organic Rankine cycle（ORC）. First a mathematical modeling was constructed based on ORC system，then operating condition was changed to evaluate different work fluids.The results showed R245fa and R123 are the proper work fluids for ORC.Compared with other researchers’data，the model was correct.Thus the study is the preliminary design of ORC system.

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