Three Dimensional Simulation of the Heat Dissipation of an Automotive Radiator Based on Porous Media Method

Abstract:

12 kinds of automotive radiator cell models were simulated at different air inlet velocities using CFD software Fluent. The distributed drag coefficients of each cell model were obtained by least squares method. Then the whole radiator model whose fins region was replaced by the porous media was simulated. The numerical results were validated by experiments which indicate that the porous media method is reliable. The study shows that the radiator heat dissipation is significantly influenced by fin structure and the model with a fin space of 1.4mm and a louver angle of 23^o has the best cooling effect.

• Periodical: Applied Mechanics and Materials (Volumes 543-547)
• Pages: 207-210
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.543-547.207
• Online since: March 2014
• Authors: Ning Kang*, Ni Ka Mo, Wei Qi Zheng
• Keywords: Automotive Radiator, CFD, Fin Structure, Heat Dissipation, Least-Square Method (LSM), Porous Media

References

[1] Lilin Yan, Junjie Zhou: Public Communication of Science & Technology, 2010, 16: 179-180.

[2] Yimin Zhou, Junqi Dong, Jiangping Chen: Energy Conservation Technology, 2007, 25(142): 141-144.

[3] Bo Li: Numerical Simulation of Coupled Conduction-convective Heat Transfer in Louvered Fin Radiator, Chongqing: Chongqing University, (2005).

[4] Patankar S V, Spalding D B: Heat exchanger design theory source book, McGRAW-Hill Book Company, 1974: 155-176.

[5] Yi Zhang: Experimental and Numerical Study on Flow and Heat Transfer of Vehicle Heat Exchangers Module, Hangzhou: Zhejiang University, (2006).

[6] He Chang: Study on the Simulation of Heat Transfer Performance for Automotive Radiator Based on CFD, Changchun: Jilin University, (2009).