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spreading angel of swirling jet

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Old   March 22, 2022, 08:44
Question spreading angel of swirling jet
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Qiuxiao Wang
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recently, I conducted simulation of a swirling jet using Fluent. I used all different kinds of RANS model, and the spreading angle is smaller than that measured by PIV experiment. I haven't found the cause. anyone can give me advice?

thank you very much.
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rans, spreading angel, swirl

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