基于FLUENT软件的雨天轮胎动水压强影响因素研究

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Abstract Hydrodynamic pressure is the major cause of vehicle hydroplaning in wet weather. By establishing a finite element model of the tire with longitudinal and transverse pattern, hydrodynamic pressure of the tire under different driving conditions and distributing pattern of water velocity in different parts of the tire were obtained through Fluent. The relations of hydrodynamic pressure with vehicle velocity, water film thickness, and tire pattern depth were gained based on data regression. The results show that (1) hydrodynamic pressure of the tire depends on water film thickness, tread pattern depth, and vehicle speed; (2) as water film thickness increases, the relation between hydrodynamic pressure and vehicle speed gradually shifts from non-linear to linear; and (3) influence of vehicle speed on hydrodynamic pressure is the most obvious, and changing the tread pattern depth alone cannot completely avoid hydroplaning.

Key words： traffic engineering hydrodynamic pressure Fluent water film thickness tread pattern depth vehicle speed

Received: 22 July 2012

Fund:Supported by the Road and Transport R&D Project for Western Regions of China Commissioned by MOT(No.2008318000034)

Corresponding Authors: DONG Bin, dbind@sina.com E-mail: dbind@sina.com

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	DONG Bin
	ZHANG Liang
	CHEN Ming-lei
	TANG Bo-ming
	LIU Tang-zhi

Cite this article:

DONG Bin,ZHANG Liang,CHEN Ming-lei, et al. Influencing Factor of Hydrodynamic Pressure on Tire in Wet Weather Based on Fluent[J]. Journal of Highway and Transportation Research and Development, 2013, 7(1): 98-104.

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http://manu27.magtech.com.cn/Jwk_gljtkj_en/EN/ OR http://manu27.magtech.com.cn/Jwk_gljtkj_en/EN/Y2013/V7/I1/98

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