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临界滑水速度的计算研究

DOI: 10.3969/j.issn.1674-0696.2011.05.022, PP. 989-993

Keywords: 滑水,水膜厚度,临界滑水速度,动水压力,water-skiing,waterfilm,hydroplaningcriticalvelocity,hydrodynamicpressure

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Abstract:

:？利用动量定理，分别计算楔角较小(楔角小于0．4°)和楔角较大两种情况下滑水速度值。以小轿车、中型汽车和载重车为例分析车轮内压、水膜厚度与滑水速度的关系。结果表明:不论楔角较小或者较大，滑水速度与车轮内压成正比;楔角较大且车轮内压一定时，滑水速度与水膜厚度成反比。通过NASA滑水速度方程，对理论计算的滑水速度值进行验证，得出它的可靠性满足要求。

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