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A question about air flow in evaporative cooling process

Posted 3 mag 2017, 14:05 GMT-4 Fluid & Heat, Computational Fluid Dynamics (CFD) Version 5.2 0 Replies

Haowen Chen
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Hello guys

I am watching on the instruction about cooling evaporation, when a cup filled with hot water are put in air. In instruction file, the air around the cup is turbulent flow and for which the Re number is 1500. I am confused here, because I think here for air flow is natural convection and we should use Ra number to identify whether is laminar or turbulent flow.

Thank you
Haowen Chen
0 Replies Last Post 3 mag 2017, 14:05 GMT-4
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