1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Calculating volume of an air tank given the compressor delivery rate

  1. Feb 13, 2012 #1
    I have an electric compressor with a delivery rate of 17 SCFM. I would like to calculate the volume of the air tanks that are being charged by keeping track of how long the compressor runs while building air from pressure 1 to pressure 2. I believe that the following calculation is correct. Can someone verify the calculation below which is calculated building air from 0 to 130 PSIG (at sea level)?

    Also, if the calculation is basically correct, can the air tank volume be calculated building air from 110 to 130 PSIG?

    Given:
    Air compressor delivery rate: 17 SCFM
    Atmospheric pressure at sea level: 14.7 PSIG
    Air tank start pressure: 0 PSIG
    Air tank end pressure: 130 PSIG
    Air charge time (compressor run time building air from 0 to 130 PSIG): 90 seconds

    Calculation of air tank volume:
    V1 = 17 SCFM * 90s/60s = 25.5 cubic feet
    Since P1V1=P2V2
    V2 = (P1/P2)V1
    V2 = (14.7)/(130+14.7)25.5
    V2 = 2.6 cubic feet
     
  2. jcsd
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted



Similar Discussions: Calculating volume of an air tank given the compressor delivery rate
Loading...