翅片结构及铝量分布对冷剂式散热器性能影响  

Impact of Fin Structure and Aluminum Distribution on the Performance of Refrigerant Heat Exchangers

作　　者：张晓林 张然 宋一平 陈守海 Zhang Xiaolin;Zhang Ran;Song Yipin;Chen Shouhai(Hisense Air Conditioning Co.,Ltd,Qingdao,266300)

机构地区：[1]海信空调有限公司,青岛266300

出　　处：《制冷与空调(四川)》2025年第2期252-260,共9页Refrigeration and Air Conditioning

摘　　要：冷剂式散热器,作为一种新型的能源转换设备,以其高效、节能、环保的特性,逐渐在市场上占据了一席之地。采用实验与三维数值计算结合的方式,主要探讨了冷剂式散热器在翅片结构变化时,在冷媒管温度均匀及考虑冷媒流动产生温度衰减的两种温度条件下,温度场和速度场的明显差异,以及这些差异如何影响散热器的实际散热功率和产品性能。从温度场和空气流场进行研究,发现在保持铝量相同的情况下,适当增大顶部翅片的铝量,减少底部的铝量(如翅片d和e),可以有利于温升的增大和风速的增大,从而提高散热器的功率。这表明,改变翅片的铝量分布可以有效地调控温度场和速度场,进而优化散热器的性能。此外,在两种情况下,翅片e的功率均为最高,分别相比于翅片a能力提升了43%和26%。总的来说,揭示了通过改变翅片的铝量分布,可以有效地调控散热器的温度场和速度场,从而优化其性能。这一发现不仅为冷剂式散热器的设计提供了新的思路,也有助于提高产品的性能和效率。Refrigerant heating radiators,as a new type of energy conversion equipment,have gradually gained a foothold in the market due to their high efficiency,energy-saving,and environmentally friendly characteristics.This study combines experimental methods with three-dimensional numerical calculations to primarily investigate the significant differences in the temperature field and velocity field of refrigerant heating radiators when the fin structure changes under two temperature conditions:uniform refrigerant pipe temperature and temperature decay caused by refrigerant flow.Additionally,it examines how these differences affect the actual heat dissipation power and product performance of the radiator.By studying the temperature field and airflow field,it was found that,while maintaining the same amount of aluminum,appropriately increasing the amount of aluminum in the top fins and reducing it in the bottom fins(such as fins d and e) can be beneficial for increasing temperature rise and wind speed,thereby improving the radiator's power.This indicates that changing the aluminum distribution in the fins can effectively regulate the temperature field and velocity field,thus optimizing the radiator's performance.Furthermore,in both cases,the power of fin e was the highest,with an increase of 43% and 26% compared to fin,respectively.Overall,this study reveals that by altering the aluminum distribution in the fins,the temperature field and velocity field of the radiator can be effectively regulated,thereby optimizing its performance.This finding not only provides new ideas for the design of refrigerant heating radiators but also helps improve product performance and efficiency.

关 键 词：冷媒散热器 翅片结构 自然对流 散热功率 CFD数值计算 

分 类 号：V221.3[航空宇航科学与技术—飞行器设计]