Standard

SAE 2009-01-0006

Apr 2009 Current

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Language English

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Abstract

In the present study, two kinds of simplified vehicle models, which can reproduce flow structures around the two sedan-type vehicles in the previous study, are constructed for the object and the unsteady flow structures are extracted using Large-Eddy Simulation technique. The numerical results are validated in a stationary condition by comparing the results with a wind-tunnel experiment and details of steady and unsteady flow characteristics around the models, especially above the trunk deck, are investigated. In quasi- and non- stationary manner with regard to vehicle pitch motion, unsteady flow characteristics are also investigated and their relations to an aerodynamic stability are discussed.

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Standard from SAE International
Published: April 20 2009
Document type: IS
Pages
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Publisher: SAE International
Distributor: SAE International

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Abstract

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