François Jacques Dominique Massieu (4 August 1832 – 5 February 1896) was a French
thermodynamics
Thermodynamics is a branch of physics that deals with heat, work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation. The behavior of these quantities is governed by the four laws o ...
engineer noted for his two 1869 characteristic functions, each of which known as a
Massieu function
In thermodynamics, Massieu function (sometimes called Massieu–Gibbs function, Massieu potential, or Gibbs function, or characteristic (state) function in its original terminology), symbol \Psi (Psi), is defined by the following relation:
...
(the first of which sometimes called
free entropy), as cited by American engineer
Willard Gibbs in his 1876 ''
On the Equilibrium of Heterogeneous Substances''.
References
External links
*Nivoit, E. (1897). �
Notice of the Life and Work of Mr. Massieu Inspector General of Mines” (French → English), Annales des Mines, 9th Series, Vol. 11.
{{DEFAULTSORT:Massieu, Francois
1832 births
1896 deaths
Thermodynamicists