Federico Alzamora Previtali
Subscriber

Hello, 

I would suggest making a couple of velocity vector plots to see how the air is flowing through the coils and fans. You could make these in the plane through mid fans, but also through a plane perpendicular to this (cutting mid-way through 3 fans). Finally, a vector plot normal to the axial direction of the fans to ensure that the frame motion is behaving as expected.