Fluid Vapour Pressure

Calculate fluid vapour pressure versus temperature.

Related Modules :

Fluid Density And Volume Calculation Module
Fluid Mixture From Kay's Rule Calculation Module
Gas Compressibility Factor Calculation Module
Liquid Kinematic And Dynamic Viscosity Calculation Module
Two Phase Gas Liquid Heat Capacity Calculation Module

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Links : ±

CALCULATOR : Water And Ice Vapour Pressure Versus Temperature [FREE] ±

Calculate the vapour pressure versus temperature for ice (-100 C to 0 C) and water (0 C to 360 C). The correlation for water is used at 0 C (the correlations do not match at 0 C).

Reference : Kaye And Laby : Tables Of Physical And Chemical Constants

Tool Input

T : Absolute Temperature

Tool Output

τ : Temperature Ratio
Pv : Vapour Pressure
pop : Pressure Ratio

CALCULATOR : Methane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate methane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 0.678 kg/m³
Z Factor at critical point 191 K 4.6 MPa ≈ 0.288
Vapour pressure at boiling point 112 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Ethane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate ethane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 1.28 kg/m³
Z Factor at critical point 305 K 4.9 MPa ≈ 0.284
Vapour pressure at boiling point 185 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Ethene Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate ethene or ethylene gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 1.18 kg/m³
Z Factor at critical point 282 K 5.0 MPa ≈ 0.277
Vapour pressure at boiling point 169 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Propane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate propane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 1.91 kg/m³
Z Factor at critical point 370 K 4.2 MPa ≈ 0.280
Vapour pressure at boiling point 231 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Propene Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate propene or propylene gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 1.81 kg/m³
Z Factor at critical point 365 K 4.6 MPa ≈ 0.275
Vapour pressure at boiling point 225 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Butane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate butane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 2.52 kg/m³
Z Factor at critical point 425 K 3.8 MPa ≈ 0.274
Vapour pressure at boiling point 273 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Isobutane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate isobutane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 2.51 kg/m³
Z Factor at critical point 408 K 3.6 MPa ≈ 0.282
Vapour pressure at boiling point 261 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Pentane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate pentane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at critical point 470 K 3.4 MPa ≈ 0.231 kg/m³
Z Factor at critical point 470 K 3.4 MPa ≈ 0.269
Vapour pressure at boiling point 309 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Isopentane Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate isopentane gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at critical point 460 K 3.4 MPa ≈ 0.236 kg/m³
Z Factor at critical point 460 K 3.4 MPa ≈ 0.270
Vapour pressure at boiling point 301 K ≈ 101 kPa

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Ammonia Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate ammonia gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 0.73 kg/m³
Z Factor at critical point 406 K 11.3 MPa ≈ 0.242
Vapour pressure at boiling point 240 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Carbon Dioxide Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate carbon dioxide gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 1.87 kg/m³
Z Factor at critical point 304 K 7.4 MPa ≈ 0.468
Vapour pressure at boiling point 195 K ≈ 101 kPa

Note : The boiling point temperature for carbon dioxide is lower than the melting point temperature.

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Nitrogen Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate nitrogen gas vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at 288.15 K 101.325 kPa ≈ 1.19 kg/m³
Z Factor at critical point 126 K 3.3 MPa ≈ 0.311
Vapour pressure at boiling point 77 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Water Vapour Pressure And Density Versus Temperature (Yaws) [FREE] ±

Calculate water vapour pressure, density and compressibility factor from temperature.

Check the calculator against the following values:

Density at critical point 647 K 22.1 MPa ≈ 0.322 kg/m³
Z Factor at critical point 647 K 22.1 MPa ≈ 0.229
Vapour pressure at boiling point 373 K ≈ 101 kPa

Reference : McGraw Hill : Yaws : Chemical Properties Handbook

Tool Input

eostype : Equation Of State
- Zu : User Defined Compressibility Factor
presstype : Fluid Pressure Type
- Pu : User Defined Fluid Pressure
T : Fluid Temperature

Tool Output

ρ : Fluid Density
P : Fluid Pressure
Pr : Reduced Pressure
Pv : Vapour Pressure
SG : Gas Specific Gravity Relative To Air
Tr : Reduced Temperature
Vm : Molar Volume
Z : Compressibility Factor
cvg : Convergence Check

CALCULATOR : Steam Vapour Pressure And Thermodynamic Property [FREE] ±

Calculate steam saturation pressure and temperature, and thermophysical properties.

Saturation properties can be calculated from either the saturation temperature or the saturation pressure. The calculation is not valid below the freezing point 273.15 K, or above the critical point, 647.096 K.

Reference : IAPWS R7-97 Industrial Formulation for thermodynamic Properties of Water and Steam

Tool Input

anomtype : Region 2/3 Anomaly Type
proptype : Steam Phase
- Xu : User Defined Saturated Steam Quality
sattype : Saturation Pressure Type
- Psu : User Defined Saturation Pressure
- Tsu : User Defined Saturation Temperature

Tool Output

ρ : Density
Cp : Specific Heat Constant Pressure
Cp-Cv : Delta Specific Heat (Cp - Cv)
Cp/Cv : Specific Heat Ratio
Cv : Specific Heat Constant Volume
Ps : Saturation Pressure
Ts : Saturation Temperature
Vc : Speed Of Sound
Z : Compressibility Factor
cvg : Convergence Check
h : Enthalpy
s : Entropy
u : Internal Energy
vg : Mole Specific Volume
vm : Specific Volume
wv : Specific Weight