Gas density at altitude

  1. Feb 22, 2012 #1
    Hi I have been reading a lot about how to calculate gas density and I am stumped. What I would like to know is how to calculate the gas density as apposed to altitude so I can use it in the terminal velocity equation found here http://www.grc.nasa.gov/WWW/k-12/airplane/termv.html
    I would like to know if there is a simple equation that can calculate the gas density with only a few factors and not with dew point and other factors that I have seen in Meteorology.
    Thanks for any help with this
     
  2. jcsd
  3. Feb 23, 2012 #2
    Hi I found an formula for calculating gas density at height it anyone needs it
    p = 100 * ((44331 * 514 - z)/ (11880 * 516))
    p is density and z is altitued in meters.
     
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