Étude expérimentale et numérique de la dispersion d'aérosols dans le sillage d'une roue de véhicule

Abstract : Whilst it is common knowledge that fuel combustion in a motorised vehicle generates gaseous and particulate pollution, particles emission caused by a travelling vehicle is accounted for to a much lesser extent. Whether a vehicle is moving on motorways, roads, unpaved roads or industrial soils, it projects particles that are naturally present on the ground. This case represents a significant diffuse emission source, depending principally on the speed of the vehicle, on the load and on the humidity of the road surface material. Studying the aerodynamic behaviour of air in the vicinity of wheels under real conditions is not easy from an experimental point of view and numerical models are difficult to validate. Insufficient knowledge of this issue and the complexity of this type of aerodynamic behaviour support the preferred option of studying a simple case, such as an isolated wheel The goal of this work is to provide background information on the aerosol spreading in the field close to a vehicle rotating wheel. From a state of the art on this issue, this study was to assess the airflow and particles experimental behaviour around a wheel integrating the presence of patterns on the surface of the tire. While not claim a comparative study between different pattern geometries, this work is to highlight the differences between flow around a smooth wheel and patterned wheel. This research is based on the experimentation extended to the simulation. It will be the bases for a reflection on the possibilities of devices development to reduce dust emissions caused by the movement of industrial vehicles
Document type :
Theses
Complete list of metadatas

https://hal.univ-lorraine.fr/tel-01748713
Contributor : Thèses Ul <>
Submitted on : Thursday, March 29, 2018 - 11:46:55 AM
Last modification on : Thursday, January 31, 2019 - 1:27:50 AM
Long-term archiving on : Friday, September 14, 2018 - 7:21:37 AM

File

2009_GERARDIN_F.pdf
Files produced by the author(s)

Identifiers

  • HAL Id : tel-01748713, version 1

Collections

Citation

Fabien Gérardin. Étude expérimentale et numérique de la dispersion d'aérosols dans le sillage d'une roue de véhicule. Autre. Institut National Polytechnique de Lorraine, 2009. Français. ⟨NNT : 2009INPL015N⟩. ⟨tel-01748713⟩

Share

Metrics

Record views

19

Files downloads

40