Volume 6, Issue 1 (3-2016)                   IJAE 2016, 6(1): 2118-2126 | Back to browse issues page

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Afshar H, Fahimi A, Keshvari M. The Effects of Changes in Height on the Aerodynamic Performance of Automobiles. IJAE. 2016; 6 (1) :2118-2126
URL: http://www.iust.ac.ir/ijae/article-1-383-en.html
Department of Mechanical Engineering, East Tehran branch
Abstract:   (3911 Views)

In this study, the fluid flow around a Pride vehicle was solved in a two-dimensional design using numerical methods. To do so, a two-dimensional figure of a Pride was modeled and gridded, and different surfaces were introduced. Then, governing equations the fluid flow was solved for the standard K-ε model and the appropriate boundary conditions. Areas that increased lift and drag forces were specified through studying the results and observing flow lines, pressure distribution, and vortices created around the automobile. In this way, the ideal height for different speeds was determined through examining the changes in those forces at different heights. In this study, the Pride was examined at different heights 80, 120, 160 (standard), 200, and 250 mm for the speeds 10, 20, 33, and 40 m/s. The results showed that lift and drag forces depended on the height of the automobile and changed at different heights

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