Annex60.Media.Specialized.Water.TemperatureDependentDensity.isothermalCompressibility

# .Annex60.Media.Specialized.Water.TemperatureDependentDensity.isothermalCompressibility

Return the isothermal compressibility factor

## Information

This function returns the isothermal compressibility coefficient, which is zero as this medium is incompressible. The isothermal compressibility is defined as

κT = - 1 ⁄ v (∂ v ⁄ ∂ p)T,

where v is the specific volume, T is the temperature and p is the pressure.

## Revisions

- December 18, 2013, by Michael Wetter:
  First implementation.

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