• ISSN 0258-2724
  • CN 51-1277/U
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Volume 25 Issue 4
Aug.  2012
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Article Contents
Journal of Southwest Jiaotong University  > 2012  >  25(4): 623-628.
LIU Jiaxin, QIN Sicheng, XU Zhenyuan, ZHANG Ao, XI Yu, ZHANG Xuelin. Numerical Simulation of Heat Exchange Performance of Radiator Module in Construction Vehicles[J]. Journal of Southwest Jiaotong University, 2012, 25(4): 623-628. doi: 10.3969/j.issn.0258-2724.2012.04.014
Citation: LIU Jiaxin, QIN Sicheng, XU Zhenyuan, ZHANG Ao, XI Yu, ZHANG Xuelin. Numerical Simulation of Heat Exchange Performance of Radiator Module in Construction Vehicles[J]. Journal of Southwest Jiaotong University, 2012, 25(4): 623-628. doi: 10.3969/j.issn.0258-2724.2012.04.014
shu

Numerical Simulation of Heat Exchange Performance of Radiator Module in Construction Vehicles

doi: 10.3969/j.issn.0258-2724.2012.04.014
  • Received Date: 19 Oct 2011
  • Publish Date: 25 Aug 2012
    Abstract
  • In order to study the performance law of a construction vehicle radiator under different working conditions and ensure its working stability, a 3D physical model of the vehicle engine cabin was built based on original drawings with the software UG NX7.0, in which a heat exchange module was adopted to represent the radiator group. Then, the engine cabin model in a virtual tunnel was simulated using the computational fluid dynamics (CFD) numerical method, and the heat exchange performance of the radiator module was analyzed under various working conditions. Finally, the simulation results were verified experimentally. The results show that the heat exchange process has a gradient temperature change in each working condition, and increasing the temperature of the hot-air backflow will lower the radiator efficiency. When the radiator efficiency can not meet the need of the whole vehicle system, system overheating and performance instability occur. The error between simulation and experimental results is between 2.83% and 4.07%.

     

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