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API
argon Thermodynamic & Transport Properties (Based on Venus model)
CAS number
Name
Category
Pure/Mixture
Short Name
Full Name
Chemical Formula
Synonym
R740 ,40Ar;Argon, isotope of mass 40; Argon40; Khladon R 740; R 740
Molecular Weight
g/mol
Triple Point Temperature
℃
K
°F
°R
Normal Boiling Point
℃
K
°F
°R
Critical Temperature
℃
K
°F
°R
Critical Pressure
MPa(absolute)
KPa(absolute)
Pa(absolute)
bar(absolute)
psi(absolute)
atm(absolute)
kg/cm2(absolute)
mmHg(Torr)(absolute)
inHg(absolute)
mmH2O(absolute)
inH2O(absolute)
ftH2O(absolute)
MPa(gauge)
KPa(gauge)
Pa(gauge)
bar(gauge)
psi(gauge)
atm(gauge)
kg/cm2(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
Critical Density
kg/m3
g/cm3
lb/ft3
lb/in3
lb/gal
Critical Compress Factor
Acentric Factor
kJ/(kg·℃)
J/(kg·℃)
Btu/(lb°F)
Dipole Moment
Debye
Mixture Component
Composition:
argon : Introduction
Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most common gas in the Earth's atmosphere, at 0.93% (9,300 ppm), making it approximately 23.7 times as abundant as the next most common atmospheric gas, carbon dioxide (390 ppm), and more than 500 times as abundant as the next most common noble gas, neon (18 ppm). Nearly all of this argon is radiogenic argon40 derived from the decay of potassium40 in the Earth's crust. In the universe, argon36 is by far the most common argon isotope, being the preferred argon isotope produced by stellar nucleosynthesis in supernovas. In addition, argon is the most prevalent of the noble gases in Earth's crust, with the element composing 0.00015% of this crust
Single Value
Table
Temperature=
℃
K
°F
°R
Acceptable Range ：
< T <
Pressure=
MPa(absolute)
KPa(absolute)
Pa(absolute)
bar(absolute)
psi(absolute)
atm(absolute)
kg/cm2(absolute)
mmHg(Torr)(absolute)
inHg(absolute)
mmH2O(absolute)
inH2O(absolute)
ftH2O(absolute)
MPa(gauge)
KPa(gauge)
Pa(gauge)
bar(gauge)
psi(gauge)
atm(gauge)
kg/cm2(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
< P <
Density=
kg/m3
g/cm3
lb/ft3
lb/in3
lb/gal
Specific Enthalpy=
kJ/kg
J/kg
Btu/lb
cal/g
Specific Entropy=
kJ/(kg·K)
J/(kg·K)
Btu/(lb°F)
cal/(g·K)
Internal Energy=
kJ/kg
J/kg
Btu/lb
cal/g
Reference
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argon:Thermodynamic & Transport Properties Calculated Result
State:
Molecular Weight=
g/mol
Temperature=
℃
K
°F
°R
Pressure=
MPa(absolute)
KPa(absolute)
Pa(absolute)
bar(absolute)
psi(absolute)
atm(absolute)
kg/cm2(absolute)
mmHg(Torr)(absolute)
inHg(absolute)
mmH2O(absolute)
inH2O(absolute)
ftH2O(absolute)
MPa(gauge)
KPa(gauge)
Pa(gauge)
bar(gauge)
psi(gauge)
atm(gauge)
kg/cm2(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
Density=
kg/m3
g/cm3
lb/ft3
lb/in3
lb/gal
Specific Volume=
m3/kg
cm3/g
ft3/lb
in3/lb
gal/lb
Specific Enthalpy=
kJ/kg
J/kg
Btu/lb
cal/g
Specific Entropy=
kJ/(kg·K)
J/(kg·K)
Btu/(lb°F)
cal/(g·K)
Internal Energy=
kJ/kg
J/kg
Btu/lb
cal/g
Composition=
Saturated Vapor Pressure, Boiling Point(dew point), Latent Heat of Vaporization are saturated properties, just enter One parameter to calculate them!
Saturated Vapor Pressure=
MPa(absolute)
KPa(absolute)
Pa(absolute)
bar(absolute)
psi(absolute)
atm(absolute)
kg/cm2(absolute)
mmHg(Torr)(absolute)
inHg(absolute)
mmH2O(absolute)
inH2O(absolute)
ftH2O(absolute)
MPa(gauge)
KPa(gauge)
Pa(gauge)
bar(gauge)
psi(gauge)
atm(gauge)
kg/cm2(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
Boiling Point (Dew Point)=
℃
K
°F
°R
Vaporization Latent Heat=
kJ/kg
J/kg
Btu/lb
cal/g
Specific Heat(Cp)=
kJ/(kg·K)
J/(kg·K)
Btu/(lb°F)
cal/(g·K)
Specific Heat(Cv)=
kJ/(kg·℃)
J/(kg·℃)
Btu/(lb°F)
cal/(g·K)
Cp/Cv=
Vapor Quality=
Compressibility Factor=
Helmholtz Energy=
kJ/kg
J/kg
Btu/lb
cal/g
Gibbs Free Energy=
kJ/kg
J/kg
Btu/lb
cal/g
Fugacity=
MPa
KPa
Pa
bar
psi
atm
kg/cm2
mmHg(Torr)
inHg
mmH2O
inH2O
ftH2O
Fugacity Coefficient=
JouleThomson Coefficient =
K/kPa
K/MPa
K/Pa
°C/bar
Speed of Sound=
m/s
ft/s
ft/min
km/h
mph
2nd Virial Coefficient =
m3/kg
cm3/g
ft3/lb
in3/lb
gal/lb
3rd Virial Coefficient=
(m3/kg)2
(cm3/g)2
(ft3/lb)2
(in3/lb)2
(gal/lb)2
Thermal Conductivity=
W/(m·K)
kcal/(m·h·℃)
Btu/(ft·h·°F)
Thermal Diffusivity=
m2/s
ft2/s
Kinematic Viscosity =
m2/s
St
ft2/s
Dynamic Viscosity =
Pa·s
P
lbf·s/ft2
kgf·s/m2
Surface Tension =
N/m
gf/cm
dyn/cm
erg/cm2
erg/mm2
lbf/in
Prandtl Number=
Relative Dielectric Constant =
Lower limit
Upper limit
Temperature =
℃
Pressure =
MPa(a)
Density =
kg/m
^{3}
Enthalpy =
kJ/kg
Entropy =
kJ/(kg·K)
Internal energy =
kJ/kg
Step ：
1
2
3
4
5
6
7
8
9
10
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L:Saturated liquid，V：Saturated gas
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