C265 – AGA 10:2003 – Velocity of Sound/Isentropic Exponent
Description
This calculates the speed of sound, isentropic exponent and other physical properties of a natural gas composition at flowing temperature and pressure conditions.
References
AGA Report No. 10 – Speed of Sound in Natural Gas and Other Related Hydrocarbon Gases (2003)
AGA Report No. 8 – Compressibility Factors of Natural Gas and Other Hydrocarbon Gases
Kelton calculation reference C265
FLOCALC calculation reference F092
KIMS calculation reference K140
Kelton calculation C156 – AGA 8 – Gas Density Computation
Options
This calculation has no options. The inputs are set as the temperature and pressure at base and flowing conditions and the gas composition.
Calculation
Speed of Sound
The speed of sound is calculated from the formula:
Isentropic Exponent
The isentropic exponent is calculated by: