Another advantage to an array is that if a 1 of several fans goes down, it's not an emergency to replace it; you can get the parts in and still run the system, or maybe even have a handful of smaller fans on-deck.
Hello all,
I am a new-grad from mechanical engineering beginning work on designing a supply-only positive-pressure "booth" with a single blower at the inlet.
Starting with the ASHRAE eqn. for pressure differential (in PA) based off of differential flow rate given a leakage area;
Q=165.5*A*√∆P...