Temperature joule; J (after J.P. Joule, 1818-1889)
The derived SI unit of energy described as the amount of work done by moving an object by a distance of 1 m by applying a force of 1 N; thus it has units of N m.
Joule-Thomson effect; Joule-Kelvin effect (J.P. Joule, W. Thomson [later Lord Kelvin])
The change in temperature that takes place while a gas expands into a region of lower pressure.