# finding flow angle

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 February 20, 2010, 22:58 finding flow angle #1 New Member   Join Date: Jan 2010 Posts: 1 Rep Power: 0 Help me in finding/claculating flow angle after analysis of centrifugal impeller.

 February 21, 2010, 08:17 #2 Senior Member     moein Join Date: Dec 2009 Posts: 132 Rep Power: 8 use vector and stream line in the cfx post.

 July 29, 2010, 13:51 #3 New Member   Diego Join Date: Apr 2010 Posts: 4 Rep Power: 8 Hello, in my case I have two vectors in a 3D domain, respectively Velocity in Stn Frame and Axial Velocity, of which I want to calculate the angle between themself. What is the best way to do this? There is a function to calculate the angle?? I think it is not possible to play with simple sin,cos... Help me. Thanks a lot.

 July 29, 2010, 18:57 #4 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 12,726 Rep Power: 99 CEL has atn and atn2 functions. They can give you angles. Can do this is CFD-Post or in the solver with a monitor point.

 June 3, 2015, 07:50 #5 New Member   chiranjivi Join Date: Mar 2014 Posts: 5 Rep Power: 4 How can I use this function? Suppose I have to find the angle of attack over a cross flow turbine then what expression should be used

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