Selection of working fluid for organic Rankine cycle used in low temperature geothermal power plant

被引：20
|
作者：
Hu, Bing [1 ]
Guo, Jiajun [1 ]
Yang, Yu [2 ]
Shao, Youyuan [1 ]
机构：
[1] Dongguan Univ Technol, Guangdong Prov Key Lab Distributed Energy Syst, Guangdong Prov Engn Res Ctr Distributed Energy Sy, Dongguan 523808, Peoples R China
[2] Dongguan City Coll, Dongguan 523419, Peoples R China
来源：
ENERGY REPORTS | 2022年 / 8卷
关键词：
Low temperature geothermal; ORC; Working fluid selection; System optimization;
D O I：
10.1016/j.egyr.2022.01.102
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, for the low-temperature geothermal organic Rankine (ORC) power generation system, the subcritical saturated vapor cycle is selected as the key research object, the mathematical and physical model of the thermal process of the ORC system is established, and five organic working fluids are selected. With the net power produced per unit mass of geothermal water(PPH) as the optimization target, the optimal parameters of the ORC system are determined. Based on the selection of the best organic working fluid, various parameters that affect the performance and economic performance of the ORC system are analyzed. After simulation calculation, the results show that: when the system takes PPH as the optimization target, the working fluid R245fa can be selected as the best applicable working fluid. (C) 2022 The Author(s). Published by Elsevier Ltd.
引用
收藏
页码：179 / 186
页数：8
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