广东工业大学学报 ›› 2020, Vol. 37 ›› Issue (03): 114-120.doi: 10.12052/gdutxb.190110

• • 上一篇    

采用R1234ze(E)/R245fa的非共沸混合工质有机朗肯循环系统实验研究

郑晓生, 罗俊伟, 卢沛, 罗向龙, 陈健勇, 杨智, 梁颖宗, 陈颖   

  1. 广东工业大学 材料与能源学院, 广东 广州 510006
  • 收稿日期:2019-09-09 出版日期:2020-05-12 发布日期:2020-05-21
  • 通信作者: 罗向龙(1978-),男,教授,博士,主要研究方向为热力系统集成与优化、换热强化与优化等,E-mail:lxl-dte@gdut.edu.cn E-mail:lxl-dte@gdut.edu.cn
  • 作者简介:郑晓生(1993-),男,硕士研究生,主要研究方向为换热设备、有机朗肯循环系统实验等
  • 基金资助:
    国家自然科学基金资助重点项目（51736005）；国家自然科学基金资助项目（51876043，51811530313）

An Experimental Study of Zeotropic-Mixture Organic Rankine Cycle System Utilizing R1234ze (E)/R245fa

Zheng Xiao-sheng, Luo Jun-wei, Lu Pei, Luo Xiang-long, Chen Jian-yong, Yang Zhi, Liang Ying-zong, Chen Ying   

  1. School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2019-09-09 Online:2020-05-12 Published:2020-05-21

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摘要： 非共沸混合工质具有的温度滑移特性能有效提升有机朗肯循环（organic Rankine cycle，简称为ORC）系统的性能，具有重要的研究意义。本文介绍了ORC系统测试试验台，建立了非共沸混合工质系统热力学分析模型，通过实验研究了工质流量对混合工质ORC系统的运行性能及换热特性的影响，并且与纯工质ORC系统进行了对比。结果表明，在系统工质流量较大时，采用混合工质R1234ze（E）/R245fa的ORC系统性能具有明显的提升。

关键词: 有机朗肯循环, 非共沸混合工质, 换热特性, 运行性能

Abstract: The temperature slip characteristic of zeotropic-mixtures, which can effectively improve the performance of the ORC system, has an essential investigation value. First the ORC system test bench was introduced, and then a zeotropic-mixture system model for a thermodynamic analysis was established. Next, the effect of zeotropic-mixture mass flow rate on the ORC system operation performance and the heat transfer characteristics were experimentally studied, and the results compared with those of the ORC with pure working medium system. The results indicate that the performance of the ORC utilizing zeotropic-mixture R1234ze (E)/R245fa has an obvious improvement.

Key words: organic Rankine cycle, zeotropic-mixture, heat transfer characteristics, operating performance

中图分类号: 

  • TK121
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