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Flushing velocity should be calculated carefully just not be so slow and this will make lose it's ability to carry the solids, and not so fast so it will flow faster ... Voir Plus
hello to size a linear grill you must take care about many parameters 1-CFM per foot 2-Listed height 3-friction losses 4-face velocity 5-sill and sidewall throw 6-m ... Voir Plus
Duct systems are not self-balancing. The closest thing to a self-balancing duct system would be one with an adequate return in every room that has a supply outlet. This i ... Voir Plus
Outlets ( grills, registers , diffusers) are sized based on volume of air (in CFM) to be supplied to the space, velocity of the supply air and noise level. smaller outle ... Voir Plus
This is not really a question for this forum. In fact it's not really a question for any forum because there are good articles on terminal velocity on both Wikiped ... Voir Plus