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The aerodynamic effects of a simplified wheel body are investigated in the paper. Two main cases are designed for this purpose. First, a simplified semi-trailer truck body is designed to show the aerodynamic effect of wheel and wheelhouse structure on the overall body. Fuel consumption is significant for semi-trailer trucks that have a large portion in transportation, and aerodynamic performance of these vehicles has a considerable effect on fuel consumption. Second, a commercial steel wheel is designed with a variable that is ventilation holes to show the ventilation effect on the aerodynamic of the overall wheel body. For this purpose, 5 different wheel models with the size of 22.5 × 9.00 are designed, respectively. Recent studies have predominantly focused on the aerodynamic effects of wheels in automobiles, particularly those made of aluminum alloy. Steel wheels have a different geometric structure due to the limitations of cold forming. The paper differs from lots of studies in this way. It will show the importance of wheel design for industrial vehicles, and specifically the importance of wheel design with ventilation holes which are the essential parts for cooling vehicle subcomponents. The designs of the vehicle and wheels are kept close to real products. A strong analysis software, ANSYS, is used for analysis purposes. General findings taken from the analysis results which are drag coefficients, velocity profiles and iso-surfaces are evaluated to see the effects of variables in two main cases. According to analysis results, adding wheels and wheelhouses to the semi-trailer truck model increases the drag coefficient by around 24%. Also, a gradual increase is observed when ventilation holes are added to the isolated wheels. Drag coefficient of isolated wheel model with 8 ventilation holes is around 20% more than the isolated wheel model without ventilation holes. The paper demonstrates the importance of aerodynamic designs of wheels with comments on visual and quantitative analysis results by taking a different approach with steel wheels.

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Aerodynamic Analysis of Simplified Wheel Bodies for Industrial Vehicles

  • 会议论文

  • 发表日期：

    2025年

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  • Pinar Demircioglu,
  • Ismail Bogrekci,
  • Mehmet Kose,
  • Akin Denizman,
  • Mehmet Umut Kaya

摘要

The aerodynamic effects of a simplified wheel body are investigated in the paper. Two main cases are designed for this purpose. First, a simplified semi-trailer truck body is designed to show the aerodynamic effect of wheel and wheelhouse structure on the overall body. Fuel consumption is significant for semi-trailer trucks that have a large portion in transportation, and aerodynamic performance of these vehicles has a considerable effect on fuel consumption. Second, a commercial steel wheel is designed with a variable that is ventilation holes to show the ventilation effect on the aerodynamic of the overall wheel body. For this purpose, 5 different wheel models with the size of 22.5 × 9.00 are designed, respectively. Recent studies have predominantly focused on the aerodynamic effects of wheels in automobiles, particularly those made of aluminum alloy. Steel wheels have a different geometric structure due to the limitations of cold forming. The paper differs from lots of studies in this way. It will show the importance of wheel design for industrial vehicles, and specifically the importance of wheel design with ventilation holes which are the essential parts for cooling vehicle subcomponents. The designs of the vehicle and wheels are kept close to real products. A strong analysis software, ANSYS, is used for analysis purposes. General findings taken from the analysis results which are drag coefficients, velocity profiles and iso-surfaces are evaluated to see the effects of variables in two main cases. According to analysis results, adding wheels and wheelhouses to the semi-trailer truck model increases the drag coefficient by around 24%. Also, a gradual increase is observed when ventilation holes are added to the isolated wheels. Drag coefficient of isolated wheel model with 8 ventilation holes is around 20% more than the isolated wheel model without ventilation holes. The paper demonstrates the importance of aerodynamic designs of wheels with comments on visual and quantitative analysis results by taking a different approach with steel wheels.