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Define Mixture
Moist Air
Pure Fluild
Data Comparision
API
octane Thermodynamic & Transport Properties (Based on Venus model)
CAS number
Name
Category
Pure/Mixture
Short Name
Full Name
Chemical Formula
Synonym
n-octane ,NSC 9822;n-Octane
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/cm
2
(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
Critical Density
kg/m
3
g/cm
3
lb/ft
3
lb/in
3
lb/gal
Critical Compress Factor
Acentric Factor
kJ/(kg·℃)
J/(kg·℃)
Btu/(lb°F)
Dipole Moment
Debye
Mixture Component
Composition:
octane : Introduction
Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane (isooctane) is used as one of the standard values in the octane rating scale.Octane is a component of gasoline (petrol). As with all low molecular weight hydrocarbons, octane is volatile and very flammable
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/cm
2
(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
< P <
Density=
kg/m
3
g/cm
3
lb/ft
3
lb/in
3
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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octane: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/cm
2
(gauge)
mmHg(Torr)(gauge)
inHg(gauge)
mmH2O(gauge)
inH2O(gauge)
ftH2O(gauge)
Density=
kg/m
3
g/cm
3
lb/ft
3
lb/in
3
lb/gal
Specific Volume=
m
3
/kg
cm
3
/g
ft
3
/lb
in
3
/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/cm
2
(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=
Joule-Thomson Coefficient =
K/kPa
K/MPa
K/Pa
°C/bar
Speed of Sound=
m/s
ft/s
ft/min
km/h
mph
2nd Virial Coefficient =
m
3/kg
cm
3
/g
ft
3
/lb
in
3
/lb
gal/lb
3rd Virial Coefficient=
(m
3
/kg)
2
(cm
3
/g)
2
(ft
3
/lb)
2
(in
3
/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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Reference
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