# Swirl Velocity

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 June 12, 2009, 14:20 Swirl Velocity #1 Member   Hamoudi djamel Join Date: Apr 2009 Posts: 50 Rep Power: 8 Hello Everybody, I have a 2D simulation with swirl my geometry is in cylindrical coordinate The two velocities Vr and V (theta) please if any one know for corrcting me this information is it the velocity V (theta) responsible for the swirl or not ************************************************** * i have another question for cheking this formula for transformation from cylindrical coordinate to cartesienne coordinate U= Vr cos (theta)-V(theta) sin (theta) V= Vr sin (theta)+V(theta)cos (theta) Thanck you very Much

 June 12, 2009, 14:21 Swirl Velocity #2 Member   Hamoudi djamel Join Date: Apr 2009 Posts: 50 Rep Power: 8 Hello Everybody, I have a 2D simulation with swirl my geometry is in cylindrical coordinate The two velocities Vr and V (theta) please if any one know for corrcting me this information is it the velocity V (theta) responsible for the swirl or not ************************************************** * i have another question for cheking this formula for transformation from cylindrical coordinate to cartesienne coordinate U= Vr cos (theta)-V(theta) sin (theta) V= Vr sin (theta)+V(theta)cos (theta) Thanck you very Much

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