Flow over Rough-Walled Circular Cylinder in the Critical Area
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Lenka Lausova,
Ivan Kolos,
Vladimira Michalcova
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| Transactions of the VSB - Technical University of Ostrava, Civil Engineering Series |
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2018, Volume 18, Issue 1, Pages 1-5
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Doi: 10.31490/tces-2018-0001
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The article deals with the flow over a rough-walled circular cylinder in the critical area at high Re numbers. The subject of the paper is a comparison of the standard calculation of the aerodynamic drag coefficient with numerical modeling. Numerical tasks are solved by the simplified geometry of the smooth cylinder, where the influence of the rough surface is given by the equivalent aerodynamic roughness, and also by the model with the real geometry of the rough casing of the cylinder.
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