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AGA 10
v1.0
Speed of Sound in Natural Gas and Other Related Hydrocarbon Gases
This standard calculates several thermodynamic and physical properties including the speed of sound in the gas at flowing conditions.
Configuration
Option
Setting
Calculate Critical Flow Factor
No
Yes
Neo-Pentane Options
Add to iPentane
Add to nPentane
Neglect
Enforce Composition Limits
No
Yes
Inputs
Field Name
Units
Value
Methane (Normalised)
mol%
Ethane (Normalised)
mol%
Propane (Normalised)
mol%
iButane (Normalised)
mol%
nButane (Normalised)
mol%
iPentane (Normalised)
mol%
nPentane (Normalised)
mol%
neoPentane (Normalised)
mol%
Hexane (Normalised)
mol%
Heptane (Normalised)
mol%
Octane (Normalised)
mol%
Nonane (Normalised)
mol%
Decane (Normalised)
mol%
Hydrogen (Normalised)
mol%
Nitrogen (Normalised)
mol%
Carbon Dioxide (Normalised)
mol%
Hydrogen Sulphide (Normalised)
mol%
Water (Normalised)
mol%
Helium (Normalised)
mol%
Oxygen (Normalised)
mol%
Carbon Monoxide (Normalised)
mol%
Argon (Normalised)
mol%
Upstream Temperature (t1)
°C
°F
K
°R
Upstream Pressure (p1)
mbar
mbar g
bar
bar g
Pa
Pa g
kPa
kPa g
MPa
MPa g
GPa
GPa g
psi
psi g
inH2O @ 60°F
Standard Temperature
°C
°F
K
°R
Standard Pressure
mbar
mbar g
bar
bar g
Pa
Pa g
kPa
kPa g
MPa
MPa g
GPa
GPa g
psi
psi g
inH2O @ 60°F
Results
Description
Units
Actual
Upstream Density
kg/m³
g/m³
mg/m³
lb/ft³
Upstream Compression Factor
-
Stream Molar Density
mol/m³
kmol/m³
Mmol/m³
Standard Density
kg/Sm³
g/Sm³
mg/Sm³
lb/Sft³
Standard Compression Factor
-
Standard Molar Density
mol/m³
kmol/m³
Mmol/m³
Supercompressibility
-
Molecular Weight
kg/kmol
Relative Density Ideal
-
Relative Density Real
-
Ideal Gas Specific Enthalpy
J/kg
KJ/kg
Real Gas Specific Enthalpy
J/kg
KJ/kg
Real Gas Specific Entropy
J/(kg.K)
KJ/(kg.K)
Ideal Constant Pressure Heat Capacity
J/(kg.K)
KJ/(kg.K)
Real Constant Pressure Heat Capacity
J/(kg.K)
KJ/(kg.K)
Real Constant Volume Heat Capacity
J/(kg.K)
KJ/(kg.K)
Heat Ratio
-
Speed of Sound
m/s
Isentropic Exponent
-
PROJECT CODE:
STREAM ID:
TEST NUMBER:
TEST CONDUCTED BY:
TEST WITNESSED BY:
ADDITIONAL WITNESS:
ADDITIONAL WITNESS:
ADDITIONAL WITNESS:
ADDITIONAL WITNESS:
COMMENTS:
TEST DATE:
03/03/2021 20:29:13