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Originally Posted by devilfire
fren, i think u got the concept all wrong. eductor(venturi) doesnt work tis way. doesnt mean u use a higher flowrate p/p it gonna draw more air. it's not 100% true.
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Venturi works by the principle that the high velocity creates a low pressure, thus it draws is air. The higer the flow, the hiher the velocity that you are going to create. And the rate of pressure drop is propotional to the velocity. don't ask me to take out my text book as I have thrown them away :P But I agree with you that the relationship is not linear.
Bro, tell me your understanding then?