Aerodynamic simulation of heavy trucks with rotating wheels

Kidambi Sreenivas, Ramesh Pankajakshan, D. Stephen Nichols, Brent C.J. Mitchell, Lafayette K. Taylor, David L. Whitfield

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

12 Scopus citations

Abstract

Aerodynamic simulations were carried out for the Ground Transportation System model, a 1/8th scale tractor-trailer model, that was tested in the NASA Ames 7'×10' tunnel. The computed forces and pressure coefficients are compared to experiment Detailed comparisons are also carried out for the wake in the symmetry plane of the model. A DES version of the two equation k-ε/k-ω hybrid turbulence model is shown to predict the single vortex structure observed in the experiment. Simulations are also carried out for an isolated rotating wheel and the results are compared to experiment data. A theoretically predicted jet arising at the contact patches was observed computationally with its magnitude matching the theoretical predictions. Representative simulations were also carried out for a tractor-trailer model with rotating wheels.

Original languageEnglish
Title of host publicationCollection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
Pages16754-16764
Number of pages11
StatePublished - 2006
Externally publishedYes
Event44th AIAA Aerospace Sciences Meeting 2006 - Reno, NV, United States
Duration: Jan 9 2006Jan 12 2006

Publication series

NameCollection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
Volume22

Conference

Conference44th AIAA Aerospace Sciences Meeting 2006
Country/TerritoryUnited States
CityReno, NV
Period01/9/0601/12/06

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