temperature gradient in spanwise direction in a periodic channel flow study -- CFD Online Discussion Forums

September 9, 2019, 15:12	temperature gradient in spanwise direction in a periodic channel flow study	#1
backscatter Member Anonymous Join Date: Aug 2016 Posts: 75 Rep Power: 10	Hi all, I am trying to simulate the transport of Temperature as a passive scalar in a periodic channel flow case while applying the mean scalar gradient in the spanwise (z) or streamwise (x) direction. It is easy to setup a case when the mean scalar gradient is in wall normal (y) direction as we can easily use a fixedGradient T boundary condition on the wall. To apply scalar gradients in x or z directions, I guess the answer may lie in setFields, but i am not sure how exactly to do it. If anyone has done it before, can you please throw some light on the method? Thanks!

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