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Keywords: surface roughness
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A031, July 13–15, 2020
Paper No: FEDSM2020-20252
... developed flow through pipes with an inside diameter of 5 mm and Reynolds numbers up to 62,000. Results are presented in terms of relative pressure drops as well as the wall surface roughness that would lead to such impacts. These flow-determined grain surface roughnesses are then compared against...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A081, July 28–August 1, 2019
Paper No: AJKFluids2019-4625
... on the appearance of the first instabilities, which depend on the size and nature of the roughness. In fact, the surface roughness not only increases the friction on the wall, but it also greatly influences the transport of the mass and momentum in a given flow regime. The flow, therefore, undergoes more friction...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 2: Symposia, Parts A, B, and C, 1111-1116, July 6–10, 2003
Paper No: FEDSM2003-45622
... 05 02 2009 The two-dimensional flow around a rotating circular cylinder with surface roughness in a steady uniform flow is investigated using a vortex method. The Reynolds number is 9500, while the rotating speed ratios of the peripheral velocity to the uniform velocity is 0–1.0...