Exergoeconomic analysis of the salinity-gradient solar pond power plants using two-phase closed thermosyphon: A comparative study

被引：12
|
作者：
Ziapour, Behrooz M. [1 ]
Shokrnia, Mehdi [1 ]
机构：
[1] Univ Mohaghegh Ardabili, Dept Mech Engn, Ardebil, Iran
来源：
APPLIED THERMAL ENGINEERING | 2017年 / 115卷
关键词：
Exergy; Exergoeconomic; Optimization; ORC; Solar pond; Two-phase closed thermosyphon; LIQUEFIED NATURAL-GAS; ORGANIC RANKINE-CYCLE; EXERGY ANALYSIS; GEOTHERMAL-ENERGY; OPTIMIZATION; PERFORMANCE; DESIGN; DRIVEN; DESALINATION; PRESSURE;
D O I：
10.1016/j.applthermaleng.2016.12.129
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
An exergoeconomic analysis is carried out on the solar pond power plants. The two power generation systems including the pump design and the two-phase closed thermosyphon (TPCT) design are presented for solar pond power plants and compared from the viewpoint of exergoeconomics. The results show that the evaporators have the lowest values of exergoeconomic factor in both designs and the turbines have the highest values of total cost rate. In overall system, the values of the total cost rate, the exergoeconomic factor and the unit cost of produced power for TPCT design are more favorable than the corresponding values for pump design. In the optimum states, the maximum net produced power is determined to be 57.059 kW for TPCT design and the minimum total cost rate is found to be 2.583 $/h for pump design. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：123 / 133
页数：11
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