Yeah I posed a similar question at one of my instructors, and he essentially said that it wouldn’t work for fast moving air because after a certain speed compression of the air becomes an issue. When I asked him what velocity the air would have to be moving he said that there was a really nasty differential equation involving the volume of moving gas, plus the change in area through which the gas is being forced through, plus the change in velocity of the gas between two established points, plus ambient stuff like pressure temperature and humidity. Generally speaking though, you can count on the Venturi effect to work for air in most applications on our planets surface, that is unless your trying to shove, in his words, a metric fuck ton of air through a very small area.
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Quick question: crossover pipe removal
