Swirl Number Calculation -- CFD Online Discussion Forums

September 22, 2021, 04:25	Swirl Number Calculation	#1
Nikpap New Member Nikolaos Papafilippou Join Date: Apr 2019 Posts: 25 Rep Power: 7	Hey all, I am studying a burner and want to calculate the swirl number as follows: S=(∫(WUr^2 dr)/(R∫U^2 rdr) My aim is to calculate it at different planes in a few axial positions and see swirl decay in the combustion chamber. I guess this would be very easy to do by writing a user defined field function but I do not have a lot of experience with those. Could someone help me on how to write this?

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