BuildSysPro.IBPSA.Media.Specialized.Water.TemperatureDependentDensity.isobaricExpansionCoefficient

# .BuildSysPro.IBPSA.Media.Specialized.Water.TemperatureDependentDensity.isobaricExpansionCoefficient

Return the isobaric expansion coefficient

## Information

This function returns the isobaric expansion coefficient,

βp = - 1 ⁄ v (∂ v ⁄ ∂ T)p,

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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