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Physics
Classical Physics
Mechanics
Is the Reverse of Bernoulli's Principle True in Venturi Outflow Pressure?
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[QUOTE="rcgldr, post: 5461602, member: 17595"] Consider power = pressure x volume flow. The power required to draw in the mass via the inlet pipe ideally equals the input pressure x volume flow minus the output pressure times volume flow. In a real world situation, there will be some losses in the process. Assuming density isn't significantly changed, then volume flow in (source + inlet) equals volume flow out, so pressure decreases a bit more than ideal. There also needs to be a pressure recovery zone where the mass flow decreases in speed in increases in pressure (what the original post calls reverse Bernoulli). Example image of such a device used to start a siphon, usually for aquariums. The bottom piece can be turned so instead of being used for pressure recovery, it seals off the exit, so water can be put back into an aquarium. [ATTACH=full]187416[/ATTACH] [/QUOTE]
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Forums
Physics
Classical Physics
Mechanics
Is the Reverse of Bernoulli's Principle True in Venturi Outflow Pressure?
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