Braking Distance Prediction by Hydroplaning Analysis of 3-D Patterned Tire Model

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概要

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• In this paper, we present a wet-road braking distance estimate for the vehicles equipped with ABS (Anti-lock Brake System). In order to effectively compute the interval-wise braking times and the resulting total braking distance, we divide the entire speed interval at braking into finite number of uniform sub-intervals and apply the energy conservation law to individual sub-intervals. The proposed method is based on a numerical-analytical approach such that the frictional energy loss of the patterned tire is computed by 3-D hydroplaning analysis while the other at the disc pad is analytically derived. The hydroplaning simulation is performed by generally coupling an Eulerian finite volume method and an explicit Lagrangian finite element method. The operation of ABS is numerically implemented by controlling the tire angular velocity such that the preset tire slip ratio on the wet road is maintained. Numerical results are presented to illustrative and verify the the proposed numerical estimate.

• 一般社団法人 日本機械学会の論文

著者

• Yoo Wan-suk

  School Of Mechanical Engineering Pusan National University

• CHOI Joo-Hyoung

  School of Mechanical Engineering Pusan National University

• LEE Hong-Woo

  School of Mechanical Engineering Pusan National University

• CHO Jin-Rae

  School of Mechanical Engineering Pusan National University

• WOO Jong-Shik

  R&D Center, Kumho Tire Co. Ltd.

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• Braking Distance Prediction by Hydroplaning Analysis of 3-D Patterned Tire Model

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