Experimental studies on a combined refrigeration/power generation system activated by low-grade heat

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	Experimental studies on a combined refrigeration/power generation system activated by low-grade heat
	Han, Wei 1; Chen, Qiang 1,2; Sun, Liuli 1,2; Ma, Sijun 3; Zhao, Ting 1,2; Zheng, Danxing 3; Jin, Hongguang 1
刊名	ENERGY
	2014-09-01
卷号	74 页码:59-66
关键词	Ammonia-water binary mixture Absorption refrigeration system Absorption power generation system Low-grade heat
英文摘要	An experimental rig of a combined refrigeration/power generation system was built and investigated. This rig uses an ammonia water binary working fluid, is driven by low-grade heat, and can function under the absorption refrigeration model and absorption power generation model. When the system was operated under the refrigeration model, the temperatures of the ethylene glycol solution that entered and exited the evaporator were -5.28 degrees C and -9.07 degrees C, respectively. The cooling output was 11.67 kW, and the corresponding coefficient of performance was 0.465. When the system was operated under the power generation model, the temperature and pressure of the turbine inlet were 94.66 degrees C and 8.55 bar, respectively. The turbine outlet pressure was 1.79 bar, the net power output was 1.02 kW (after 1 kW of power consumed by the solution pump was reduced), and the corresponding heat-to-power conversion efficiency was 3.98%. The combined system can achieve cooling and power generation and switch smoothly and easily between refrigeration and power mode. This study provides a feasible and flexible way to produce different products using low-grade heat. (C) 2014 Elsevier Ltd. All rights reserved.
WOS标题词	Science & Technology ; Physical Sciences ; Technology
类目[WOS]	Thermodynamics ; Energy & Fuels
研究领域[WOS]	Thermodynamics ; Energy & Fuels
关键词[WOS]	ORGANIC RANKINE CYCLES ; COMBINED POWER ; THERMODYNAMIC ANALYSIS ; PARAMETRIC ANALYSIS ; KALINA CYCLE ; WASTE HEAT ; TECHNOLOGIES ; OPTIMIZATION ; COGENERATION ; DRIVEN
收录类别	SCI ; ISTP
语种	英语
WOS记录号	WOS:000342862100007
公开日期	2015-12-22
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/106044]
专题	工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位	1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China 3.Beijing Univ Chem Technol, Sch Chem Engn, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Han, Wei,Chen, Qiang,Sun, Liuli,et al. Experimental studies on a combined refrigeration/power generation system activated by low-grade heat[J]. ENERGY,2014,74:59-66.
APA	Han, Wei.,Chen, Qiang.,Sun, Liuli.,Ma, Sijun.,Zhao, Ting.,...&Jin, Hongguang.(2014).Experimental studies on a combined refrigeration/power generation system activated by low-grade heat.ENERGY,74,59-66.
MLA	Han, Wei,et al."Experimental studies on a combined refrigeration/power generation system activated by low-grade heat".ENERGY 74(2014):59-66.