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Will a venturi work if the pressure behind it is

  1. Apr 10, 2012 #1
    it was pointed out to me that a venturi won't function if the pressure differential before and after the venturi is minimal. how much pressure differential is required for it to work?

  2. jcsd
  3. Apr 10, 2012 #2


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    Science Advisor

    Pressure differential is responsible for the flow of fluid/gas through the venturi. Differential you need depends on flow velocity you need, diameter/geometry of venturi, and properties of the fluid/gas involved. You would have to be far more specific to get a useful answer.
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