Thermodynamic performance analysis for dual fluid organic Rankine cycle system

LIAO Lei; YU Tingfang

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Thermodynamic performance analysis for dual fluid organic Rankine cycle system

Thermal Power Generation Issue 5, (2016)

更新时间：2025-09-28

- Thermodynamic performance analysis for dual fluid organic Rankine cycle system
- 作者机构：
  
  南昌大学机电工程学院,江西,南昌,330031
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK115
- Published Online：15 June 2016，
  
  Published：2016
- 稿件说明：
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LIAO Lei, YU Tingfang. Thermodynamic performance analysis for dual fluid organic Rankine cycle system[J]. Thermal Power Generation, 2016, (5).
DOI：

LIAO Lei, YU Tingfang. Thermodynamic performance analysis for dual fluid organic Rankine cycle system[J]. Thermal Power Generation, 2016, (5). DOI：

摘要

为提高有机朗肯循环(ORC)的净输出功率和热效率

提出了双流体有机朗肯循环系统；选择高温循环工质R245fa分别与3种低温循环工质R134a

R152a和R236fa进行组合；采用REFPROP及MATLAB软件进行计算，比较3种组合方式下系统的热力性能。结果表明:高、低温循环工质分别为R245fa和R152a时

系统热力性能优于其他2种组合方案

其所对应系统的最大净输出功率、热效率、火用效率分别为35 kW

7.67％和62.53％

高温蒸发温度为417 K；系统净输出功率的变化幅度大于热效率和火用效率；系统净输出功率随低温蒸发温度的升高而增大；过热度对系统热力性能的影响较小

说明无需增加过热度来优化系统。

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