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Volume Correction Factor - NG

jp_2
jp_2 Member Posts: 1,935
in THE MAIN WALL
google pv=nrt most likely find more than you want to know.

Comments

  • Uni R_3
    Uni R_3 Member Posts: 299
    Anyone have a table or formula?

    Does anyone have a table or a formula to correct natural gas volumes from a given outside temperature to a standardized 15°C / 60°F base?


    Google and I have found nada while searching.
  • Brad White
    Brad White Member Posts: 2,399
    No, but Google

    has abundant links for other activities leading to an interesting, fulfilling and well examined life.

    :)
    "If you do not know the answer, say, "I do not know the answer", and you will be correct!"



    -Ernie White, my Dad
  • Unknown
    Unknown
    Tough to find UniR,

    every since you PM`d me, I`ve been looking too! Must be a "deep dark" secret? I can`t believe Brad did not know LOL! Enbridge has their own, but who`s to say?

    Dave
  • Uni R_3
    Uni R_3 Member Posts: 299
    I've tried with Enbridge

    Technical support's probably completely involved in the customer they accidently blew up. I got hopeful seeing 3 responses - dashed! Thanks guys!!
  • Unknown
    Unknown
    Sorry Uni R

    I`m sure what you seek is out there,,,,Good Luck!(I did try.)

    Dave
  • bob_50
    bob_50 Member Posts: 306
    Look at

    the badge on the meter to see if it is marked TC also sometimes the color of the badge (red) indicates temperature compensation. Usually +/-2% from -20ºF to 120ºF based on temperature of the flowing gas. They have a bimetal temperature sensor.
  • Unknown
    Unknown
    bob

    curiosity question, would it make a diff if the meter is inside, or outside the basement?

    Dave
  • Uni R_3
    Uni R_3 Member Posts: 299
    thanks bob

    There is no temperature compensation on this meter and that's why I'm hoping to find a table or a formula that a gas company would use for calculating it.

    107,600 BTU @ 15°F = 1??,??? BTU corrected to 15°C or 60°F
  • bob_50
    bob_50 Member Posts: 306
    I don't

    know if all meters are temp. compensated. I would suspect that the tin meters found in basements are not. You can buy meters with or without temp. compensation. I guess it's up to the local utility and the state commerce commission what is used and where.
  • Unknown
    Unknown
    Thank You Bob

    I was curious for a friend!

    Dave
  • bob_50
    bob_50 Member Posts: 306
    UniR

    You'll have to cut me some slack if'n I don't explain this too well. V1/T1=V2/T2 and I think we are looking for V2. If the BTU content of your gas is 1000BTU per CuFt V1 is 107.8 CuFt. The temps have to be in Kelvin so T1 is 255ºK and T2 is 288ºK so you end up deviding 288 by 255 times V1 and get 121.7 CuFt. I think! I better add this is based on gas temp. not out side air temp.
  • Uni R_3
    Uni R_3 Member Posts: 299
    Perfect... thanks.

    (15+273.15)/(5+273.15) = 1.036

    okay so 1.036 x 107,600 = 111,470 @ 15°C
This discussion has been closed.

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