论文成果
Optimal match between heat source and absorption refrigeration
摘要:In process industries, there is usually a great amount of waste heat available at different temperatures, and at the same time, there are cooling or refrigeration demands at different temperatures. In this paper, a single effect water-lithium bromide absorption refrigeration system is modeled and simulated using the process modeling software Aspen Plus. The optimal matches between heat source temperatures and refrigeration levels of the absorption refrigeration cycle are determined. The performance of the absorption refrigeration cycle is assessed in terms of two indicators: coefficient of performance (COP) and exergy efficiency. At a certain evaporator temperature of the absorption refrigeration cycle, which indicates a certain refrigeration level, the COP of the cycle rises rapidly at first and then gently with increasing heat source temperature because higher temperature generates more refrigerant vapor. The exergy efficiency of the cycle, by contrast, exhibits a maximum value because both the system performance and the system irreversibility increase with increasing heat source temperature. Ensuring a proper match between heat source and absorption refrigeration can lead to efficient use of waste heat and decrease degradation loss of waste heat. (C) 2016 Elsevier Ltd. All rights reserved.
关键字:Absorption refrigeration Coefficient of performance Exergy efficiency Temperature of heat source Refrigeration level
ISSN号:0098-1354
卷、期、页:卷: 102 页: 268-277 特刊: SI
发表日期:2017-07-12
期刊分区(SCI为中科院分区):二区
收录情况:SCI(科学引文索引印刷版),ESI(基本科学指标数据库),SCIE(科学引文索引网络版)
发表期刊名称:COMPUTERS & CHEMICAL ENGINEERING
参与作者:冯霄
通讯作者:王晨升
第一作者:王彧斐
论文类型:期刊论文
论文概要:王彧斐,王晨升,冯霄,Optimal match between heat source and absorption refrigeration,COMPUTERS & CHEMICAL ENGINEERING,2017,卷: 102 页: 268-277 特刊: SI
论文题目:Optimal match between heat source and absorption refrigeration