Helmholtz free energy

English Etymology For Hermann von Helmholtz, German physicist. Noun Helmholtz free energy ? en physics thermodynamics A measure of the useful work obtainable from a constant temperature, constant volume thermodynamic system; more precisely, the difference between internal energy (of a system) and the product of its absolute temperature and entropy. where A is Helmholtz free energy, U is internal energy, T is temperature, and S is entropy. Translations measure of the useful work from a constant temperature system etc. Chinese: Mandarin: cmn 亥姆霍茲自由能 Hàimǔhuòzī zìyóu néng Finnish: fi Helmholtzin vapaa energia German: de freie Energie f, de Helmholtz-Potential n, de helmholtzsche freie Energie f, de Helmholtz-Energie f Russian: ru свобо́дная эне́ргия Гельмго́льца f See also en Gibbs free energy en Physical quantities Energy en eponyms