刘永辉,王晶,李标,丁国良
LIU Yong-hui,WANG Jing,LI Biao,DING Guo-liang

• 1:上海交通大学
• 2:海尔集团技术研发中心

摘要(Abstract)：

冰箱中食物的保存质量直接依赖箱内的空气流场和温度分布,而流场分布及温度分布取决于冰箱风机系统、风口位置及内部结构,这是当前大容量风冷冰箱设计中的一个难点。本文将CFD仿真技术引入到大容量风冷冰箱产品设计中,建立了某型号大容量风冷冰箱风机风道系统的三维模型,对冰箱风道的流场进行了仿真分析;根据仿真结果采用离心风机替代传统的轴流风机,并对风道系统进行针对性的改进,很大程度上提高了冰箱出风口风量,改善了风道系统流场分布并且有效降低了噪音。物理试验验证了本文研究方法的可行性和正确性。
The quality of food reservation in refrigerator directly relies on the flow field distribution and the temperature distribution. And the flow field distribution and the temperature distribution are determined by the fan system,air inlet /outlet position and internal structure of a refrigerator,which is a big difficulty in the design of air-cooled refrigerator with large capacity. In this paper,CFD simulation technology is introduced to the design of air-cooled refrigerator with large capacity. Firstly,3D simulation model of an air-cooled refrigerator with large capacity is set up and the simulation of internal flow field is performed. Then,according to the simulation results,some big design improvements have been made,such as,centrifugal fan replacing axial fan and modification of air duct system. By doing this,the air circulation has been increased and the noise of the refrigerator has been decreased effectively due to the improved flow field distribution. The feasibility and correctness of this paper has been verified by experimental test.

关键词(KeyWords)： 大容量风冷冰箱;风道系统;CFD;内流场
air-cooled refrigerator with large capacity;air duct system;CFD;internal flow field

Abstract:

Keywords:

基金项目(Foundation): 山东省博士后创新项目专项资金资助项目(201302002)

作者(Author): 刘永辉,王晶,李标,丁国良
LIU Yong-hui,WANG Jing,LI Biao,DING Guo-liang

参考文献(References)：

• [1]苏秀平.间冷式冰箱若干问题的理论与试验研究[D].上海:上海交通大学机械与动力工程学院,2006.
• [2]唐琼辉,何国庚,郑贤德.间冷式冰箱箱体的漏热与节能研究[J].流体机械,2002,30(5):56-8.
• [3]王福军.计算流体动力学分析[M].北京:清华大学出版社,2004.
• [4]黄龙春,范洪安.无霜冰箱风扇系统噪声的治理[C].2001中国家用电器技术大会论文集.
• [5]陈成,刘志峰,罗建,等.基于Fluent的风冷冰箱的风道结构优化设计[J].日用电器,2013,5:30-35.
• [6]白连社,王瑶,关鹏,等.基于CFD的风冷冰箱风道系统研究[J].电器,2012,S1:122-126.
• [7]耿伟轩,张红,陶汉中,等.管板间隙对管壳式换热器流动与传热的影响研究[J].压力容器,2012,29,(5):10-14,51.
• [8]顾克东,吴俊云.叉流风冷翅片管冷凝器仿真试验研究[J].流体机械,2013,41(2):58-60,2.
• [9]肖庭庭,李征涛,张振亚,等.风冷冷热水机组R290替代R22的试验研究[J].流体机械,2014,42(1):54-56,53.
• [10]吴玉林,陈庆光,刘树红.通风机和压缩机[M].北京:清华大学出版社,2005.