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Comparing Air numerical results with water experimental results

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Old   June 28, 2014, 07:54
Exclamation Comparing Air numerical results with water experimental results
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In my work plan I have to Compare Air numerical results with Water experimental results to study the mixed convection effects on the flow structure in a simple geometry.

  • Is it normal to compare Numerical results performed by Air with experimental results use a Water model but keep the same Re and Gr with respect to Pr of each fluid and all their other properties such as density, viscosity..etc. I mean comparing dimensionless velocity fields and velocity components?

  • Do you know similar article or any bibliography for a similar case where authors compared numerical AIR results with experiment WATER results Or vice versa?

I appreciate all answers
Thanks in advance and kind regards
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Old   July 2, 2014, 19:11
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Yes, this is normal. It is a standard engineering approach - and is the reason scale models can be built to accurately reproduce the flow fields of the full sized device. See Similitude (
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