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Compressibility value of Jet A1 fuel
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Source：Internet Author：Unknow Pubdate：2008-04-15
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HVAC68 (Mechanical)
24 May 06 0:56
I would like to know the compressibility value of Jet A1 fuel. Can somebody help please. HVAC68
monaco8774 (Petroleum)
24 May 06 1:34
Although I cant tell you the value for Jet A1, I had to find the value for diesel many years ago and I contacted Exxon directly, they had a marketing centre in London that put me in touch with a lab, they had all the values for all their fuels and lubricants although it wasnt a standard test. A quick check for any fuel supplier on the web might get you a contact as I have lost mine now.
25362 (Chemical)
24 May 06 3:10
I agree with monaco8774, the best source for data is the kerosine supplier itself.
To have an idea of the values and assuming it to be a mixture of hydrocarbons centering at C10-C12, the figures for isothermal liquid compressibility -(1/V)(∂ V/∂ P) at 25oC for n-paraffins given by the CRC manual in 1/MPa, are: 字串8
C9 11.75 × 10-4C10 10.94 × 10-4C11 10.31 × 10-4C12 9.88 × 10-4C13 9.48 × 10-4
BigInch (Petroleum)
23 Jun 06 3:21
This one works quite well. It calculates E, the bulk modulus for hydrocarbon liquids. To get "compressibility" divide 1 by E.
E = 100000* exp(1.9947 - 0.00013427 * TempF - 0.79392/SG^2 -0.002326* TempF/SG^2 )
blackwed (Electrical)
26 Jun 06 15:43
Per API's latest MPMS, the volumetric correction factor for effects of pressure on liquid (CPL):
CPL=1/(1-(10^-5*Fp*P))
Fp=exp(-1.9947+.00013427*TempF+(793920+2326*TempF)/SG^2)
P=psig
SG=specific gravity at 60 deg F 字串9
DB
BigInch (Petroleum)
3 Jul 06 3:21
Hey! That's the same formula for bulk modulus, except its not multiplied by 100000.
blackwed (Electrical)
5 Jul 06 8:26
:)
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