Experimental analysis of circulating water flow rate on performance of ORC waste heat power generation system

Zhonglan HOU; Xinli WEI; Xinling MA; Xiangrui MENG

doi:10.11949/0438-1157.20190133

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Experimental analysis of circulating water flow rate on performance of ORC waste heat power generation system

更新时间：2026-03-25

- Experimental analysis of circulating water flow rate on performance of ORC waste heat power generation system
- CIESC Journal Vol. 70, Issue 9, Pages: 3283-3290(2019)
- 作者机构：
  
  1. 郑州大学化工与能源学院,河南,郑州,450001
  2. 热能系统节能技术与装备教育部工程技术研究中心,河南,郑州,450001
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20190133
  CLC： TK115
- Online First：05 September 2019，
  
  Published：05 September 2019
- 稿件说明：
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Zhonglan HOU, Xinli WEI, Xinling MA, et al. Experimental analysis of circulating water flow rate on performance of ORC waste heat power generation system[J]. CIESC Journal, 2019, 70(9): 3283-3290.
DOI：

Zhonglan HOU, Xinli WEI, Xinling MA, et al. Experimental analysis of circulating water flow rate on performance of ORC waste heat power generation system[J]. CIESC Journal, 2019, 70(9): 3283-3290. DOI： 10.11949/0438-1157.20190133.

摘要

基于实验室3 kW有机朗肯循环（ORC）低温余热发电试验装置，参考石化行业能耗设计标准将循环水作为耗能工质

采用总能系统方法进行能耗分析，对比了不同热源温度下不同分析边界的系统及主要设备的热力学性能。结果显示：发电机输出功、膨胀机输出功、ORC子系统净输出功、ORC子系统热效率和?效率均随着热源温度和循环水流量的增加而增加；不同热源温度下，最大系统净输出功与最大系统?效率出现的工况一致。本试验在热源温度为120℃时取得最大系统净输出功0.731 kW和最大系统?效率11.81%，此时对应循环水流量为1.629 t·h-1。该研究为ORC余热发电系统性能与能耗分析提供了参考。

Abstract

Experiment was made to comprehensively analyze the effect of circulating water flow rate on organic Rankine cycle (ORC) waste heat power generation system based on a 3 kW experimental prototype in laboratory. Considering circulating water as energy transfer medium

the energy consumption analysis was carried out by the total energy system method

and the performance of system and main equipment with different heat source temperatures was evaluated. The results showed that the output power of generator

expander and ORC subsystem increased with the increase of heat source temperature and circulating water flow rate

as well as the thermal efficiency and exergy efficiency of ORC subsystem. The maximum values of net output power and exergy efficiency of system were obtained under the same conditions. As the temperature of heat source is 120℃ and the circulating water flow rate is 1.629 t·h-1

the maximum values of net output power and exergy efficiency of the system are 0.731 kW and 11.81%

respectively. This study provided references for performance analysis of ORC waste heat power generation system with different boundary.

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