吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (2): 330-334.doi: 10.13229/j.cnki.jdxbgxb201402009

• 论文 • 上一篇    下一篇

虚拟风洞下的车辆散热器模块性能改进

刘佳鑫1,2, 秦四成1, 徐振元1, 张奥1, 习羽1, 张学林1   

  1. 1. 吉林大学 机械科学与工程学院, 长春 130022;
    2. 徐工集团 徐工道路机械事业部, 江苏 徐州 221000
  • 收稿日期:2013-01-15 出版日期:2014-02-01 发布日期:2014-02-01
  • 通讯作者: 秦四成（1962- ），男，教授，博士生导师.研究方向：工程车辆系统节能与控制技术. E-mail：qsc925@hotmail.com E-mail:qsc925@hotmail.com
  • 作者简介:刘佳鑫（1983- ），男，博士研究生.研究方向：工程机械系统节能.E-mail：nihao9002002@yahoo.com.cn
  • 基金资助:

    国家自然科学基金项目（50775096）；国家科技支撑计划项目（2013BAF07B04）.

Improvement and analysis of heat exchange performance of vehicle radiator module in virtual tunnel

LIU Jia-xin1,2, QIN Si-cheng1, XU Zhen-yuan1, ZHANG Ao1, Xi Yu1, ZHANG Xue-lin1   

  1. 1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2. Road Machinery Division of Xuzhou Construction Machinery Co., Ltd., Xuzhou 221000, China
  • Received:2013-01-15 Online:2014-02-01 Published:2014-02-01

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摘要：

为了提升车辆散热器模块性能，保证车辆工作可靠性，在已有的研究基础上提出3种改进方案，依据图纸资料建立动力舱三维模型，使用热交换模型代替散热器模块，结合CFD数值方法在虚拟风洞内对各改进方案进行仿真，根据仿真结果进行评估。结果表明：3种改进方案均能提高车辆散热器模块性能，其中在消声器附近增加空气出口效果最好，与原始模型对比，中冷器、水、液压油散热器热流体出口温度分别降低了14.48%、1.39%、2.28%。

关键词: 车辆工程, 动力舱, 散热器, 数值分析, 热交换

Abstract:

In order to improve the vehicle radiator capacity and keep vehicle reliable, three new improvement schemes were proposed on the foundation of former research. A 3D model based on the drawing from manufactures was set up. Heat exchange model was used as substitute for radiator module. Each improved model was simulated in virtual tunnel with commercial CFD software. These schemes were assessed based on the simulations. The results show that all of three schemes could enhance radiator performance. Addition of air exits near muffler has the best effect. Compared with original model, the intercooler, water radiator and oil radiator of the improved schemes could lower the thermal fluid outlet temperature by 14.48%, 1.39% and 2.28%, respectively.

Key words: vehicle engineering, engine cabin, radiator, numerical analysis, heat exchange

中图分类号: 

  • U415.52

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