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Experiments and numerical simulations on the aerodynamics of the Ahmed body

Author(s): Walter Meile | Günter Brenn | Aaron Reppenhagen | Anton Fuchs

Journal: CFD Letters
ISSN 2180-1363

Volume: 3;
Issue: 1;
Start page: 32;
Date: 2011;
Original page

Keywords: Ahmed body | vehicle aerodynamics | force measurement | comparison simulation/measurement results

The aerodynamic behaviour of the Ahmed body is investigated experimentally and numerically. The experiments cover the two slant angles 25° and 35° and Reynolds numbers up to 2.784×106. The commercial CFD tool Fluent™ v6.3.26 is tested for its ability to reproduce the aerodynamic force coefficients of the body. The simulations are validated with the present experiments and experiments from literature. Fair agreement with data from literature is found for velocity profiles along the slant and in the wake of the body.

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Tangokurs Rapperswil-Jona


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