基于换热成本比的R410A风冷式冷凝器优化.pdf
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上海理工大学学报
官在 29 卷 雪在 4 期 of sh怠nght? for Sc ìen咄咄d Tc-::hnnl哨Y VoL29 No.4 2007
)1:直在编号 :1007 … 6735[2007)04 … 0358 … 05
基于换热成本比的 R410A 风冷式
冷)疑器优化
刘鹏,邬志敏, 芳,刘颖
Ct 海现工大学动力工程学院,上海 200093)
摘亵 :1且对民410A 交调用风冷式冷属是~进行实验研究的基础上,以才是热衰成本比为优化目标,分
析了换热器结构参数变化对冷事是这性能的影响,进行了基于稳态分布参数模型的换热器仿真计算.
通过比较,得出冷凝 ~4起热爱和传热系数陈换热恕的结构参数灾化的情况,始出了冷凝荡在一定这
行条件下的单交量和 f 变量优化结采研究表明,换热成本比随翅片厚度、翅片问距和管内径的减
小 iIi1 1曾火。
关键词: R410A; 风冷冷凝~;换热成本比;仿真;性能优化
中图分类号: TB6 文献标识码 :A
Performance optimization for R410A air cooling condenser
based on heat capacity price ratio
LlU PI叫, WUZhí刊 ín , WANG Fang , LlU Yír旧
( College of Pauer E:略 neen 吨 , University olShaTl出且如, Scienc俨, atui Tech 咄咄, Sha n 苗血泪7093 , G. inil 飞
Ahstract: On the basis 01 experimental study about the R410A air 凹JO! ing condens啊 15 perform皿 ce ln
air ∞nditioner 可耐m in different working ∞,nditions and taking neat capacity price ratio as an optì 田
mìzation goal , a steady-state distributed par时neter model is built for the heat exchanger 10 optimi册 the
perlormance by altering ∞ndenser s structural pararneters. By comparing the sìmulation results 01 heat
exchanger, the optimi7,ation results under single-variable and multìvariable c圳ditions were obtained. It
ìs shown that the heat capacity price ratio increases with the de盯也咽 01 fin thickness, lin spacing and
tube diameter.
Key words: R4 1O.4.; ωr 1 c∞ iing 口mden ,w?rj h叫 t ca如l C1.ty 卢 rice ratio; sirn.ulation; performαηceo户
tlmlze
R410A 是 a 种混合新工质,对环境的破坏性较 化,冷
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