管带式散热器空气侧传热和阻力特性实验研究  

An experimental study on air-side heat transfer and resistance characteristics for ribbon-tubular radiator

作　　者：唐景春 蒋影 叶斌 朱江 张弘强 TANG Jingchun;JIANG Ying;YE Bin;ZHU Jiang;ZHANG Hongqiang(School of Automobile and Traffic Engineering,Hefei University of Technology,Hefei 230009,China)

机构地区：[1]合肥工业大学汽车与交通工程学院,安徽合肥230009

出　　处：《合肥工业大学学报（自然科学版）》2023年第3期308-312,共5页Journal of Hefei University of Technology：Natural Science

基　　金：合肥工业大学产学研校企合作资助项目(W2021JSKF0073)。

摘　　要：文章采用换热器风洞实验,对22种不同结构参数的矩形波纹翅片管带式散热器进行传热和流动阻力性能实验,选用361组工况点的实验数据,经过多元线性回归,获得适用于矩形波纹翅片散热器空气侧传热因子j和摩擦因子f的计算模型,预测散热器的传热和阻力特性。研究结果表明,雷诺数在400~3840范围内,换热器空气侧散热量、压降的计算值与实验值之间最大相对误差分别为9.14%、10.05%,标准误差分别为8.62%、3.75%,计算值与实验值之间吻合性较好。Wind tunnel test was conducted to study on the air-side heat transfer and flow resistance performance for 22 types of ribbon-tubular radiators with rectangular corrugated fin under different structure parameters.By using multiple linear regression,the mathematical models of air-side heat transfer factor j and friction factor f of the radiator were constructed based on 361 experimental data for predicting the heat transfer and resistance characteristics.The result shows that in the Reynolds number range of 400 to 3840,the maximum relative errors between the calculated and experimental values of air-side heat dissipation and pressure drop of the radiator are 9.14%and 10.05%,respectively,and the standard errors are 8.62%and 3.75%,respectively.Model predictions are in good agreement with the experimental results.

关 键 词：管带式散热器 矩形波纹翅片 传热因子 摩擦因子 风洞实验 

分 类 号：TB657.5[一般工业技术—制冷工程]