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Investigation into the dynamics of wheel spray released from a rotating tyre of a simplified vehicle model

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posted on 23.11.2018, 09:42 by Anton Kabanovs, Andrew GarmoryAndrew Garmory, Martin Passmore, Adrian P. Gaylard
Accurate prediction of vehicle soiling is an important step towards being able to understand and reduce this problem. Previous work has shown that eddy resolving CFD methods are capable of predicting the soiling pattern on the surface of automotive geometries when a known spray source is used. Here the influence of the wheel, ground and spray boundary conditions on a simulation of rear soiling of a generic SUV are investigated. The inclusion of rotating wheels led to a greater vertical distribution of the soiling pattern whereas the moving ground plane led to increased lateral distribution. The total soiling rate with moving wheels and ground, as well as with the offset between wheel and ground removed, was approximately 50% higher than the experimental conditions. When spray was released from around the rotating wheel it was found that a large majority of the parcels which ended up on the base originated from close to the contact patch, indicating that this is the most important region for the tyre spray model. A model based on a measured distribution of droplet sizes from downstream of the wheel gave good agreement with previous experimental work for the spray topology around the contact patch.


This work was supported by Jaguar Land Rover and the UK Engineering and Physical Sciences Research Council grant EP/ K014102/1 as part of the jointly funded Programme for Simulation Innovation. This research has made use of the HPC-Midlands-Plus Tier-2 computing system, supported by the research computing staff of Loughborough University, and funded through EPSRC e-infrastructure grant EP/P020232/1.



  • Aeronautical, Automotive, Chemical and Materials Engineering


  • Aeronautical and Automotive Engineering

Published in

Journal of Wind Engineering and Industrial Aerodynamics


KABANOVS, A. ... et al, 2019. Investigation into the dynamics of wheel spray released from a rotating tyre of a simplified vehicle model. Journal of Wind Engineering and Industrial Aerodynamics, 184 (January), pp. 228-246.


© The Authors. Published by Elsevier Ltd.


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This work is made available according to the conditions of the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/

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This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).