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Wind and Structures Volume 20, Number 6, June 2015 , pages 811-827 DOI: https://doi.org/10.12989/was.2015.20.6.811 |
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Experimental and numerical aerodynamic investigation of a prototype vehicle |
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Selahaddin Orhan Akansu, Yahya Erkan Akansu, Toygun Dagdevir, Ferhat Daldaban and Feridun Yavas
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| Abstract | ||
| This study presents experimental and numerical aerodynamic investigation of a prototype vehicle. Aerodynamics forces examined which exerted on a prototype. This experimental study was implemented in a wind tunnel for the Reynolds number between 105-3.1x105. Numerical aerodynamic analysis of the vehicle is conducted for different Reynolds number by using FLUENT CFD software, with the k-e realizable turbulence model. The studied model aims at verifying the aerodynamic forces between experimental and numerical results. After the Reynolds number of 2.8x105, the drag coefficient obtained experimentally becomes independent of Reynolds number and has a value of 0.25. | ||
| Key Words | ||
| vehicle aerodynamic performance; CFD (computational fluid dynamics); design codes and standards; drag coefficient; pressure distribution | ||
| Address | ||
| Selahaddin Orhan Akansu, Toygun Dagdevir and Feridun Yavas: Department of Mechanical Engineering, The Faculty of Engineering of Erciyes University, Melikgazi, Kayseri 38039, Turkey Yahya Erkan Akansu: Department of Mechanical Engineering, The Faculty of Engineering of Nigde University, Nigde 51200, Turkey Ferhat Daldaban: Department of Electric & Electronic Engineering, The Faculty of Engineering Erciyes University Melikgazi,Kayseri 38039, Turkey | ||