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Tank Or Pressure Vessel Piping Volume

Calculate the fluid volume and mass for tank and vessel piping.

Fluid volume and mass can be calculated for liquid piping, gas piping, two phase gas and liquid piping, or three phase gas, water and oil (black oil). The piping is assumed to be full and mixed (ie flowing).

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CALCULATOR : Gas Compressibility Factor From Cubic Equation [FREE]   ±

Calculate gas compressibility factor and density from the cubic equation of state.

The gas molar volume, compressibility factor Z and density can be calculoated from from the fluid pressure, temperature and critical point constants using either the Peng Robinson, Soave, Redlich Kwong, or van der Waals equation of state (EOS). The compressibility factor calculation is valid for gas phase only. Use the Result Plot option to plot compressibility factor versus pressure and temperature, compressibility factor versus pressure and equation of state type, or compressibility factor versus temperature and equation of state type.

Tool Input

  • fluidtype : Fluid Type
    • SGu : User Defined Gas Specific Gravity
    • ωu : User Defined Acentric Factor
    • Pcu : User Defined Critical Pressure
    • Tcu : User Defined Critical Temperature
  • eostype : Equation Of State
    • Zu : User Defined Compressibility Factor
  • P : Fluid Pressure
  • T : Fluid Temperature

Tool Output

  • ρ : Fluid Density
  • ω : Accentric Factor
  • Pc : Critical Point Pressure
  • Pr : Reduced Pressure
  • SG : Gas Specific Gravity Relative To Air
  • Tc : Critical Point Temperature
  • Tr : Reduced Temperature
  • Vm : Molar Volume
  • Z : Compressibility Factor
  • cvg : Convergence Check
  • mw : Fluid Molar Mass
CALCULATOR : Gas Density From Temperature Pressure And Specific Gravity [FREE]   ±

Calculate gas density from temperature pressure and specific gravity from temperature, pressure, specific gravity and compressibility factor.

Gas molar mass is approximately equal to the molar mass of dry air times the gas specific gravity at standard conditions (for most gases the compressibility factor Z is approximately equal to 1 at standard conditions). The molar mass of dry air is taken as 28.964 kg/kg-mole. For gas mixtures, gas specific gravity is easier to measure than the molar mass.

Tool Input

  • fluidtype : Gas Type
    • SGu : User Defined Gas Specific Gravity
  • Z : Gas Compressibility Factor
  • P : Gas Pressure
  • T : Gas Temperature

Tool Output

  • ρ : Gas Density
  • M : Gas Molar Mass
  • R : Gas Constant
  • SG : Gas Specific Gravity
  • vg : Gas Molar Volume (At T P)
CALCULATOR : Liquid Density From Specific Gravity Degrees API Twaddell And Baume [FREE]   ±

Calculate single phase liquid density from specific gravity, degrees Baume, degrees Twaddell, or degrees API.

For liquids lighter than or equal to water the density can be defined as degrees API, or degrees Baume (Be-). For liquids heavier than water the density can be defined by degrees Baume (Be+), or degrees Twaddell.

Tool Input

  • sgtype : Density Type
    • SGu : User Defined Specific Gravity
    • Be+u : User Defined Degrees Baume SG > 1
    • Be-u : User Defined Degrees Baume SG <= 1
    • Twu : User Defined Degrees Twaddell SG > 1
    • APIu : User Defined Degrees API SG <= 1
    • ρu : User Defined Liquid Density

Tool Output

  • ρ : Fluid Density
  • API : Degrees API SG ≤ 1
  • Be+ : Degrees Baume SG > 1
  • Be- : Degrees Baume SG ≤ 1
  • SG : Specific Gravity
  • Tw : Degrees Twaddell SG > 1
CALCULATOR : Piping Volume Gas And Liquid [FREE]   ±

Calculate piping fluid volume and mass from pipe length and inside diameter for two phase gas / liquid.

Select either single phase liquid, single phase gas, two phase fluid from gas oil ratio (GOR), two phase fluid from gas mass fraction, two phase fluid from gas volume fraction, or user defined fluid density.

Tool Input

  • schdtype : Line Pipe Schedule Type
  • diamtype : Line Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • mvtype : Fluid Density Type
    • GORu : User Defined Gas Oil Ratio
    • Xmu : User Defined Gas Mass Fraction
    • Xvu : User Defined Gas Volume Fraction
    • ρu : User Defined Fluid Density
    • ρl : User Defined Liquid Density
    • P : User Defined Fluid Pressure
    • T : User Defined Fluid Temperature
    • Z : User Defined Gas Compressibility Factor
    • SG : User Defined Gas Specific Gravity
  • L : Pipe Section Length

Tool Output

  • ρf : Average Fluid Density
  • ρg : Gas Density (At T P)
  • GOR : Gas Oil Ratio
  • ID : Nominal Inside Diameter
  • Mf : Total Fluid Mass
  • Mg : Gas Mass
  • Ml : Liquid Mass
  • Ng : Gas Moles
  • OD : Nominal Outside Diameter
  • Vf : Total Fluid Volume
  • Vg : Gas Volume (At T P )
  • Vl : Liquid Volume
  • Xm : Gas Mass Fraction
  • Xv : Gas Volume Fraction (At T P)
  • tn : Pipe Nominal Wall Thickness
  • vg : Gas Molar Volume (At T P)

CALCULATOR : Piping Volume Gas Water And Oil (Black Oil) [FREE]   ±

Calculate piping fluid volume and mass from pipe length and inside diameter for three phase gas / oil / water (black oil).

Select either single phase oil, single phase water, single phase gas, two phase oil / water from water cut (WC), three phase black oil (oil / water / gas) from gas oil ratio (GOR) and water cut (WC), or user defined fluid density.

Tool Input

  • schdtype : Line Pipe Schedule Type
  • diamtype : Line Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • mvtype : Fluid Density Type
    • GORu : User Defined Gas Oil Ratio
    • WCu : User Defined Water Cut
    • ρu : User Defined Fluid Density
    • ρo : User Defined Oil Density
    • ρw : User Defined Water Density
    • P : User Defined Fluid Pressure
    • T : User Defined Fluid Temperature
    • Z : User Defined Gas Compressibility Factor
    • SG : User Defined Gas Specific Gravity
  • L : Pipe Section Length

Tool Output

  • ρf : Average Fluid Density
  • ρg : Gas Density
  • ρl : Liquid Density
  • GOR : Gas Oil Ratio
  • ID : Nominal Inside Diameter
  • Mf : Total Fluid Mass
  • Mg : Gas Mass
  • Ml : Liquid Mass
  • Mo : Oil Mass
  • Mw : Water Mass
  • Ng : Gas Moles
  • OD : Nominal Outside Diameter
  • Vf : Total Fluid Volume
  • Vg : Gas Volume
  • Vl : Liquid Volume
  • Vo : Oil Volume
  • Vw : Water Volume
  • WC : Water Cut
  • Xmg : Gas Mass Fraction
  • Xml : Liquid Mass Fraction
  • Xmo : Oil Mass Fraction
  • Xmw : Water Mass Fraction
  • Xvg : Gas Volume Fraction
  • Xvl : Liquid Volume Fraction
  • Xvo : Oil Volume Fraction
  • Xvw : Water Volume Fraction
  • tn : Pipe Nominal Wall Thickness
  • vg : Gas Mole Volume (At T P)

CALCULATOR : Piping Volume Gas [FREE]   ±

Calculate piping fluid volume and mass from pipe length and inside diameter for single phase gas.

Select either user defined molar mass, user defined gas specific gravity, or user defined gas density. The gas specific gravity is assumed to be proportional to the gas molar mass.

Tool Input

  • schdtype : Pipe Schedule Type
  • diamtype : Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • sgtype : Gas Specific Gravity Type
    • SGu : User Defined Gas Specific Gravity
    • Mu : User Defined Gas Molar Mass
    • ρu : User Defined Gas Density
  • P : Gas Pressure
  • T : Gas Temperature
  • Z : Gas Compressibility Factor
  • L : Pipeline Length

Tool Output

  • ρ : Gas Density
  • ID : Inside Diameter
  • M : Gas Molar Mass
  • Mf : Gas Mass
  • Ng : Gas Moles
  • OD : Outside Diameter
  • SG : Gas Specific Gravity
  • Vf : Gas Volume (At T P)
  • tn : Nominal Wall Thickness
  • vg : Gas Mole Volume (At T P)
CALCULATOR : Piping Volume Liquid [FREE]   ±

Calculate piping fluid volume and mass from pipe length and inside diameter for single phase liquid.

For liquids heavier than water the density can be defined by degrees Baume (Be+), degrees Twaddell, or user defined liquid density. For liquids lighter or equal to water the density can be defined by either degrees Baume (Be-), degrees API, or user defined density.

Tool Input

  • schdtype : Pipe Schedule Type
  • diamtype : Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • sgtype : Density Type
    • SGu : User Defined Specific Gravity
    • Be+u : User Defined Degrees Baume SG > 1
    • Be-u : User Defined Degrees Baume SG <= 1
    • Twu : User Defined Degrees Twaddell SG > 1
    • APIu : User Defined Degrees API SG <= 1
    • ρu : User Defined Liquid Density
  • L : Pipe Length

Tool Output

  • ρ : Fluid Density
  • API : Degrees API SG ≤ 1
  • Be+ : Degrees Baume SG > 1
  • Be- : Degrees Baume SG ≤ 1
  • ID : Inside Diameter
  • Mf : Liquid Mass
  • OD : Outside Diameter
  • SG : Specific Gravity
  • Tw : Degrees Twaddell SG > 1
  • Vf : Liquid Volume
  • tn : Nominal Wall Thickness

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