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Title: Analysis of an absorption/absorption-compression refrigeration system for heat sources with large temperature change
Author: Chen, Yi1, 2; Han Wei(韩巍)1; Jin, Hongguang1
Source: ENERGY CONVERSION AND MANAGEMENT
Issued Date: 2016-04-01
Volume: 113, Pages:153-164
Keyword: Absorption refrigeration ; Absorption-compression refrigeration ; Variable-temperature heat source ; Low-temperature exhaust gas ; Thermodynamic analysis
DOI: 10.1016/j.enconman.2016.01.063
DOC Type: Article
English Abstract: Absorption refrigeration systems are a promising way to reduce electricity consumption in the field of refrigeration and cooling. To improve the thermal energy utilization performance of the absorption refrigeration system, an absorption/absorption-compression refrigeration system with a large working range is proposed in this paper. The new system consists of a conventional single-effect absorption sub cycle and an absorption-compression refrigeration subcycle, and they share the condenser, evaporator, absorber and some other relative components. The temperature of the waste gas exhausted from the system can be 35 degrees C lower than that of the waste gas from a traditional, single-effect absorption refrigeration system. For the proposed system, the cooling capacity per unit mass of flue gas reaches 58.95 kJ kg(-1) when the evaporation temperature is 15 degrees C, which is 28.21% higher than that of the single-effect absorption refrigeration system. The exergy efficiency of the proposed system is as high as 25.94%. To indicate the direction of system optimization, the new system is further studied using a parametric analysis. The new absorption/absorption-compression refrigeration system provides a promising way to efficiently utilize heat sources with large temperature change or multiple heat sources with different temperatures. (C) 2016 Published by Elsevier Ltd.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS Keyword Plus: LOW-GRADE HEAT ; ABSORPTION CYCLES ; WASTE HEAT ; PERFORMANCE ANALYSIS ; GENERATION SYSTEM ; COOLING SYSTEMS ; AMMONIA-WATER ; ENERGY ; SIMULATION ; MIXTURE
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51176185) ; National Basic Research Program of China(2013CB228302)
Language: 英语
WOS ID: WOS:000371553600014
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112435
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Chinese Acad Sci, Inst Engn Thermophys, POB 2706, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, POB 2706, Beijing 100190, Peoples R China

Recommended Citation:
Chen, Yi,Han, Wei,Jin, Hongguang. Analysis of an absorption/absorption-compression refrigeration system for heat sources with large temperature change[J]. ENERGY CONVERSION AND MANAGEMENT,2016,113:153-164.
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