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Simulation Analysis and Optimization of Heat Dissipation and Aerodynamic Performance of FSAE Race Car Considering Rear Compartment Structure
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Zirui HU, Yiyang GUAN, Chenguang LAI, Zeyu ZHEN
Chinese Journal of Automotive Engineering | 2025, 15(4) : 578 - 589
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Chinese Journal of Automotive Engineering | 2025, 15(4): 578-589
• System Dynamics Section •
Simulation Analysis and Optimization of Heat Dissipation and Aerodynamic Performance of FSAE Race Car Considering Rear Compartment Structure
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Zirui HU, Yiyang GUAN, Chenguang LAI, Zeyu ZHEN
Affiliations
  • School of Vehicle Engineering，Chongqing University of Technology，Chongqing 400054，China
Published: 2025-07-20 doi: 10.3969/j.issn.2095‒1469.2025.04.14
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Aerodynamic design is one of the key elements in Formula SAE (FSAE) car design, which not only has a decisive impact on the car's handling performance but also affects the cooling performance of the radiator. In this paper, the method of Computation Fluid Dynamics (CFD) is adopted to carry out the analysis and optimization of aerodynamic performance and heat dissipation performance of FSAE racing car considering the characteristics of the rear compartment structure. By analyzing the trend of changes in heat dissipation performance and aerodynamic performance, four representative schemes were selected for comparison. The results indicate a strong positive correlation between the optimized local aerodynamic performance and heat dissipation performance. After optimization, the average volume temperature of the radiator decreased by 29.82%, and the negative lift of the wing increased by 26.92%. This study provides new ideas for the CFD simulation of the full-car model of FSAE race cars, and also provides guidance for the layout design of the cooling device for open-wheel race cars with the radiator placed at the rear.

FSAE race car  /  CFD  /  cooling optimization  /  wing beam
Zirui HU, Yiyang GUAN, Chenguang LAI, Zeyu ZHEN. Simulation Analysis and Optimization of Heat Dissipation and Aerodynamic Performance of FSAE Race Car Considering Rear Compartment Structure[J]. Chinese Journal of Automotive Engineering, 2025 , 15 (4) : 578 -589 . DOI: 10.3969/j.issn.2095‒1469.2025.04.14
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doi: 10.3969/j.issn.2095‒1469.2025.04.14
  • Receive Date：2024-08-08
  • Online Date：2025-09-10
  • Published：2025-07-20
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  • Received：2024-08-08
  • Revised：2024-09-11
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    School of Vehicle Engineering，Chongqing University of Technology，Chongqing 400054，China
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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