摘要
传统管壳式换热器因存在体积大、传热效率低等问题而难以满足紧凑化与能效提升的双重需求。聚焦微通道型换热器在热泵热水机中的应用,通过数值模拟与实验测试相结合的方法,系统研究其结构参数对换热效率的影响机制。研究结果表明:微通道的翅片间距、流道布局和材料导热系数对换热性能具有显著影响,相较于传统结构,优化后的微通道换热器的传热系数提升、压降降低。
The traditional shell and tube heat exchanger is limited by the problems of large volume and low heat transfer efficiency,which is difficult to meet the dual needs of compactness and energy efficiency improvement.This paper focuses on the application of microchannel heat exchangers in heat pump water heaters,the influence mechanism of their structural parameters on heat transfer efficiency is systematically studied through a combination of numerical simulation and experimental testing.The results show that the fin spacing,channel layout and material thermal conductivity of the micro-channel heat exchanger have significant effects on the heat transfer performance.The optimized microchannel heat exchanger has an improved heat transfer coefficient and reduced pressure drop compared to traditional structures.
作者
雷营生
魏爱国
刘少帅
董德平
LEI Yingsheng;WEI Aiguo;LIU Shaoshuai;DONG Deping(Midea Group Co.,Ltd.,Foshan,Guangdong Province,528311 China;Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai,200083 China)
出处
《科技资讯》
2025年第20期136-138,共3页
Science & Technology Information
关键词
热泵热水机
微通道换热器
换热效率
数值模拟
Heat pump water heater
Microchannel heat exchanger
Heat transfer efficiency
Numerical simulation
