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Water And Steam Heat Capacity

Calculate water and steam heat capacity from temperature and pressure (IAPWS R7-97).

Heat capacity and thermodynamic properties can be calculated for water and steam, saturated water, saturated steam, saturated water and steam, metastable water, and metastable steam. The calculations for water and steam are valid between 273.15 K and 1073.15 K (0 to 100 MPa), and between 1073.15 K and 2273.15 K (0 to 50 MPa).

The saturated water and steam calculations are valid between 273.15 K and 647.096 K.

Note : There is an anomaly in the steam calculation for region 3 between the saturated vapour line, the region 2/3 boundary, and the critical pressure. Refer to the region 3 anomaly help page for more details (click the utility button on the data bar). IAPWS R7-97 is intended for industrial use, and is a simplified version of IAPWS R6-95 for scientific use. IAPWS R7-97 was developed as an improvement of the IFC-67 model.

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

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CALCULATOR : Water And Steam Heat Capacity [FREE]   ±

Calculate water and steam heat capacity and other themodynamic properties from temperature and pressure (IAPWS R7-97).

Heat capacity and thermodynamic properties can be calculated for water and steam, saturated water, saturated steam, saturated water and steam, metastable water, and metastable steam. The calculations for water and steam are valid between 273.15 K and 1073.15 K (0 to 100 MPa), and between 1073.15 K and 2273.15 K (0 to 50 MPa).

The saturated water and steam calculations are valid between 273.15 K and 647.096 K.

The metastable calculation is valid between 273.15 K and 647.096 K, and for pressure from the saturated vapour line to the 5% equilibium moisture line (user defined).

Tool Input

  • anomtype : Region 2/3 Anomaly Type
  • proptype : Steam Phase
    • Pu : User Defined Pressure
    • Tu : User Defined Temperature
    • Xu : User Defined Saturated Steam Quality

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
  • P : Pressure
  • T : 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
CALCULATOR : Water And Steam Heat Capacity And Mass [PLUS]   ±

Calculate water and steam heat capacity and energy from temperature, pressure and mass (IAPWS R7-97 Steam Table).

Heat capacity and energy can be calculated for water and steam, saturated water, saturated steam, saturated water and steam, metastable water, and metastable steam. The calculations for water and steam are valid between 273.15 K and 1073.15 K (0 to 100 MPa), and between 1073.15 K and 2273.15 K (0 to 50 MPa).

The saturated water and steam calculations are valid between 273.15 K and 647.096 K.

The metastable calculation is valid between 273.15 K and 647.096 K, and for pressure from the saturated vapour line to the 5% equilibium moisture line (user defined). Use the Result Plot option to plot the steam properties versus temperature and pressure.

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
  • anomtype : Region 2/3 Anomaly Type
  • proptype : Steam Phase
    • Pu : User Defined Pressure
    • Tu : User Defined Temperature
    • Xu : User Defined Saturated Steam Quality
  • voltype : Steam Volume Type
    • Mu : User Defined Steam Mass
    • Vu : User Defined Steam Volume
    • Lu : User Defined Pipe Length

Tool Output

  • ρ : Density
  • AX : Pipe Internal Area
  • Cp : Specific Heat Constant Pressure
  • Cp-Cv : Delta Specific Heat (Cp - Cv)
  • Cp/Cv : Specific Heat Ratio
  • Cv : Specific Heat Constant Volume
  • H : Enthalpy
  • ID : Inside Diameter
  • L : Pipe Length
  • M : Steam Mass
  • P : Pressure
  • T : Temperature
  • U : Internal Energy
  • V : Steam Volume
  • Vc : Speed Of Sound
  • Z : Compressibility Factor
  • cvg : Convergence Check
  • h : Specific Enthalpy
  • s : Specific Entropy
  • u : Specific Internal Energy
  • vg : Mole Specific Volume
  • vm : Specific Volume
  • wv : Specific Weight
CALCULATOR : Water And Steam Heat Capacity And Flowrate [PLUS]   ±

Calculate water and steam heat capacity and power from temperature, pressure and mass flow rate (IAPWS R7-97 Steam Table).

Heat capacity and power can be calculated for water and steam, saturated water, saturated steam, saturated water and steam, metastable water, and metastable steam. The calculations for water and steam are valid between 273.15 K and 1073.15 K (0 to 100 MPa), and between 1073.15 K and 2273.15 K (0 to 50 MPa).

The saturated water and steam calculations are valid between 273.15 K and 647.096 K.

The metastable calculation is valid between 273.15 K and 647.096 K, and for pressure from the saturated vapour line to the 5% equilibium moisture line (user defined). Use the Result Plot option to plot the steam properties versus temperature and pressure.

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
  • anomtype : Region 2/3 Anomaly Type
  • proptype : Steam Phase
    • Pu : User Defined Pressure
    • Tu : User Defined Temperature
    • Xu : User Defined Saturated Steam Quality
  • voltype : Steam Flow Rate Type
    • Mu : User Defined Steam Mass Flow Rate
    • Qu : User Defined Steam Volume Flow Rate
    • Vu : User Defined Steam Velocity

Tool Output

  • ρ : Density
  • AX : Pipe Internal Area
  • Cp : Specific Heat Constant Pressure
  • Cp-Cv : Delta Specific Heat (Cp - Cv)
  • Cp/Cv : Specific Heat Ratio
  • Cv : Specific Heat Constant Volume
  • H : Enthalpy Rate
  • Ho : Stagnation Enthalpy Rate
  • ID : Inside Diameter
  • M : Steam Mass Flow Rate
  • P : Pressure
  • Q : Steam Volume Flow Rate
  • T : Temperature
  • U : Internal Energy Rate
  • V : Steam Velocity
  • Vc : Speed Of Sound
  • Z : Compressibility Factor
  • cvg : Convergence Check
  • h : Enthalpy
  • ho : Stagnation Enthalpy (h + 0.5 V^2)
  • s : Entropy
  • u : Internal Energy
  • vg : Mole Specific Volume
  • vm : Specific Volume
  • wv : Specific Weight
CALCULATOR : Pipe Inside Diameter And Cross Section Area [FREE]   ±

Calculate pipe inside diameter and inside cross section area from pipe diameter and wall thickness.

Use the Result Table option to display a table of the inside diameter and cross section area versus either outside diameter or wall thickness.

Tool Input

  • schdtype : Schedule Type
  • diamtype : Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness

Tool Output

  • AX : Pipe Inside Cross Section Area
  • ID : Nominal Inside Diameter
  • OD : Nominal Outside Diameter
  • OD/tn : Diameter Over Wall Thickness Ratio
  • tn : Nominal Wall Thickness
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