The expanded metal being installed is a pre-engineered project, it's shaped like a diamond. It's going to be cut into a circle to fit on the inner part of the fan inlet. I'm thinking that there will be an increase in static pressure but not sure how much. The standard information that is...
I'm trying to calculate the air flow decrease of a backward inclined centrifugal fan with inlet bell house with expanded metal installed. The air flow of the fan is 18,400 cfm, 2.6 total static pressure drop, 1540 RPM, 100 deg. air.
Orig. equipment did not have this expanded metal on the inlet...