溴化锂吸收式制冷机优化设计  

Optimization design of lithium-bromide absorption refrigerator

作　　者：李维仲[1] 权生林[1] 陈贵军[1] 任健[1] 

机构地区：[1]大连理工大学能源与动力学院,辽宁大连116024

出　　处：《大连理工大学学报》2010年第1期42-45,共4页Journal of Dalian University of Technology

基　　金：贵州省创新基金资助项目(06006)

摘　　要：为优化设计溴化锂吸收式制冷机,提出了一个多变量多约束的单优化目标函数的优化设计数学模型.采用复合形法求解蒸汽型溴化锂吸收式制冷机的优化设计数学模型,并应用Visual C++语言开发了优化设计软件.利用优化设计软件对一个实际工程算例进行了优化设计,结果表明:通过优化设计,相同制冷量的溴化锂吸收式制冷机在保证较高性能系数的前提下,换热器总的换热面积大大减小,制冷机的综合性能提高,同时提高了机组设计效率,缩短了产品开发周期.A mathematical model,including multi-variables, multi-constraints and single-objective function, is proposed for optimization design of the lithium-bromide absorption refrigerator. The problem of optimization design mathematical model for a steam-heat-lithium-bromide absorption refrigerator was solved by using the complex method, and the corresponding software was developed by using Visual C ＋＋. The optimization design for a actual engineering case was carried using the optimization design software. The optimization design result reveals that the comprehensive performance of the lithium-bromide absorption refrigerator can be improved because of greatIy reducing total heat exchanger area, while the COP of the refrigerator does not fall. In addition, the design efficiency of the refrigerator is increased and the design period of a product is shortened.

关 键 词：溴化锂吸收式制冷机 优化设计 数学模型 复合形法 

分 类 号：TK5[动力工程及工程热物理—热能工程]