Energy and exergy analyses of a new geothermal-solar energy based system

被引：102
作者：
Ezzat, M. F. [1 ,2 ]
Dincer, I. [1 ,3 ]
机构：
[1] Univ Ontario Inst Technol, Fac Engn & Appl Sci, 2000 Simcoe St North, Oshawa, ON L1H 7K4, Canada
[2] Menia Univ, Automot & Tractor Engn Dept, Al Minya, Egypt
[3] King Fahd Univ Petr & Minerals, Dept Mech Engn, Dhahran 31261, Saudi Arabia
来源：
SOLAR ENERGY | 2016年 / 134卷
关键词：
Solar energy; Geothermal power; Multi-generational systems; Exergy analysis; Efficiency; GENERATION SYSTEMS; POLY-GENERATION; MULTIGENERATION; OPTIMIZATION; HYDROGEN; CRITERIA; DESIGN; CYCLE; POWER;
D O I：
10.1016/j.solener.2016.04.029
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：
This paper deals with a new multigeneration system which is primarily powered by renewable energy, geothermal energy and assisted with solar energy. This multigeneration system consists of a single flash geothermal cycle, heat pump system, single-effect absorption cooling system, thermal energy storage connected with auxiliary steam turbine, hot water system and drying system. The aim of this system is to produce five output commodities; refrigeration for industry, heating air for residential application, hot water for domestic use, drying food and finally electricity. The system is assessed both energetically and exergetically. The overall energy and exergy efficiencies are found to be 69.6% and 42.8% respectively. The effects of changing various system parameters on energy and exergy efficiencies of the overall system and its subsystems are examined accordingly. (c) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：95 / 106
页数：12
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