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March 18, 2020, 10:59
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Efect of roughness over impeller head.
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#1 |
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New Member
Henrique
Join Date: Jan 2020
Posts: 9
Rep Power: 6  |
Hi
I simulated a radial pump impeller using vista CPD, Bladegen and meshing. I did the grid independency test (with smooth wall). But, when I simulate with wall roughness (0,26mm-cast iron), the head is praticly the same for smooth wall. I utilise the SST turbulence model. Does anybody can help me? Thanks |
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March 18, 2020, 12:48
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#2 |
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Senior Member
Join Date: Nov 2015
Posts: 246
Rep Power: 12 |
You already have an answer -surface roughness has low impact on pump performance. Roughness is crucial for long channels, like piping system.
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| impeller head, roughness |
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