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How to generate High-velocity-Air from Vacuum-Air?

  1. Jul 12, 2011 #1
    I need to accelerate the vacuum-air entering in to a 3" pipe. It should provide minimum of 50CFM air-flow.

    Do you have any idea? Please it here!
     
  2. jcsd
  3. Jul 12, 2011 #2

    russ_watters

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    Staff: Mentor

    Welcome to PF!

    CFM is a measure of volume per unit time, not velocity. Could you try to explain in more detail what you are trying to do please.
     
  4. Jul 12, 2011 #3
    Actually, i need to pressurize the Free space air which will be used to fill-up a large length (6-feet) blanket with 55 CFM air value. So to convert the free space air into Forced-air (achieving 55CFM), i need a principle. I got one logic, by using Electronic-blower we can create pressurized air with 50CFM. But this logic gives more cost due to costlier Motor and impeller. So i need it with lower cost within 300$.
     
  5. Jul 13, 2011 #4
    How about a vacuum cleaner? Cost and flow rate fits your description.

    However, to select a blower you also need to know the pressure required.
     
  6. Jul 13, 2011 #5

    russ_watters

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    Staff: Mentor

    Sucking and blowing just use different ends of the same device, so I still don't see the point of the question.
     
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