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May 29, 2022, 01:45
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MRF size - weird flow pattern
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Member
Wolfram Schneider
Join Date: Jan 2018
Location: Germany
Posts: 57
Rep Power: 8  |
Hi all,
I am trying to validate an existing fan. The results are reasonable (regarding volume flow rate) but when inspecting the flow pattern, I oberserved non-physical behaviour in the transition from the MRF-zone to the "normal" mesh zones. The behaviour is also persistent with a smaller MRF, but less pronounced. Here is sketch of my case: Bild2.jpg And the weird flow behaviour is shown here: Screenshot 2022-05-28 125833.jpg Is there any explanation for this? And how to avoid it? Best wishes |
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