首页|Y形轮辐设计曲线模型对轿车气动性能影响研究

Y形轮辐设计曲线模型对轿车气动性能影响研究

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基于轮毂的V型设计记忆曲线,通过分析现有轮毂造型特征,提出Y型设计曲线模型.以轮毂分叉节点位置和分叉角度作为自变量,设计轮毂研究样本,通过计算流体动力学(CFD)数值模拟技术计算不同造型轮毂样本的整车气动阻力系数.对仿真结果及数值进行对比分析,得出轮毂分叉节点位置和分叉角度对轿车整车的气动阻力有显著影响.通过设计综合对照样本验证了以上结论,结果表明:基于轮幅Y形设计曲线模型,能够制定有利于整车气动性能的轮毂造型设计策略,对轮毂设计中的方案优化有参考价值.
Investigating the impact of Y-shaped wheel spoke design curves on automobile aerodynamic performance
By utilizing a V-shaped wheel hub design memory curve, this paper introduces a Y-shaped design curve model based on an analysis of current wheel hub features.Wheel hub research samples are designed, with the hub fork node position and fork angle as independent variables.Computational Fluid Dynamics (CFD) numerical simulation techniques are employed to calculate the aerodynamic drag coefficient of the complete vehicle for different wheel hub designs.Our comparative analysis of the simulation results and numerical data reveals a significant impact of the wheel hub fork node position and fork angle on the aerodynamic drag of the car.Finally, comprehensive comparative samples are designed to verify our conclusion.Our results indicate the Y-shaped design curve model for wheel hubs develop favorable wheel hub design strategies for enhancing overall vehicle aerodynamic performance.Thus, our model may provide some reference for the optimization of wheel hub design.

computational fluid dynamicsvehicle aerodynamic performancewheel stylingY-shaped design curve

成振波、王全生、尹欣怡、龙仔航

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重庆理工大学 车辆工程学院,重庆 400054

麦格纳座椅研发(重庆)有限公司,重庆 401133

计算流体动力学 整车气动性能 轮毂造型 Y形设计曲线

重庆市教委科研项目

KJQN202001134

2024

重庆理工大学学报
重庆理工大学

重庆理工大学学报

CSTPCD北大核心
影响因子:0.567
ISSN:1674-8425
年,卷(期):2024.38(7)
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