Eng-Calculations

The properties of water and steam

Values for calculation

Pressure

$P$ $\mathrm{Pa}$

Temperature

$T$ $\mathrm{°C}$

Specific volume

$v$ $\mathrm{m^3\cdot kg^{-1}}$

Density

$ρ$ $\mathrm{kg/m^3}$

Specific internal energy

$u$ $\mathrm{J\cdot kg^{-1}}$

Specific entropy

$s$ $\mathrm{J\cdot(kg\cdot K)^{-1}}$

Specific enthalpy

$h$ $\mathrm{J\cdot kg^{-1}}$

Specific isochoric heat capacity

$c_v$ $\mathrm{J\cdot(kg\cdot K)^{-1}}$

Specific isobaric heat capacity

$c_p$ $\mathrm{J\cdot(kg\cdot K)^{-1}}$

Speed of sound

$w$ $\mathrm{m/s}$

Joule-Thomson coefficient

$μ$ $\mathrm{K\cdot Pa^{-1}}$

Isothermal throttling coefficient

$δ_τ$ $\mathrm{1\cdot(kg/m^3)^{-1}}$

Isentropic temperature-pressure coefficient

$β_s$ $\mathrm{K\cdot Pa^{-1}}$