MATEC Web Conf.
Volume 107, 2017Dynamics of Civil Engineering and Transport Structures and Wind Engineering – DYN-WIND’2017
|Number of page(s)||8|
|Published online||24 May 2017|
CFD simulation of dimpled sphere and its wind tunnel verification
University of Defence, Department of Air Force and Aircraft Technology, Kounicova 65, 662 10 Brno, Czech Republic
* Corresponding author: email@example.com
Paper deals with problems of CFD simulating airflow over a dimpled spherical surface and its verification by the wind tunnel measurement. The low-cost simulation approach was applied to be run on a common PC using the commercial software ANSYS CFX. The wind tunnel testing has been performed in the laboratory of aerodynamics at the Department of Air Force and Aircraft Technology of the University of Defence. Measured results of the drag coefficient versus the Reynolds number for smooth and dimpled spheres were compared and discussed. Presented simulation corresponds adequately to the experimental results. It can be stated that the CFD simulation is suitable for simulating the flow over the dimpled surfaces similar to sphere.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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