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Enthalpy

In thermodynamics, \(\textit{enthalpy}\) is the sum of the internal energy \(U\) and the product of pressure \(p\) and volume \(V\) of a system. The characteristic function (also known as thermodynamic potential) \(\textit{enthalpy}\) used to be called \(\textit{heat content}\), which is why it is conventionally indicated by \(H\). The specific enthalpy of a working mass is a property of that mass used in thermodynamics, defined as \(h=u+p \cdot v\), where \(u\) is the specific internal energy, \(p\) is the pressure, and \(v\) is specific volume. In other words, \(h = H / m\) where \(m\) is the mass of the system. The SI unit for \(\textit{Specific Enthalpy}\) is \(\textit{joules per kilogram}\)

http://dbpedia.org/resource/Enthalpy

http://en.citizendium.org/wiki/Enthalpy

http://en.wikipedia.org/wiki/Enthalpy

\(H = U + pV\), where \(U\) is internal energy, \(p\) is pressure and \(V\) is volume.

http://www.iso.org/iso/catalogue_detail?csnumber=31890

H