Heat is a form of energy [J]. The relationship between heat and work provides the foundation of thermodynamics, which describes transformations from an initial to a final state of a system. In energy transformations heat may pass through the boundary of the system, at an external heat flow of deQ/dt.
Abbreviation: Q, Qth [J]
Communicated by Gnaiger E (2019-01-05) last update 2020-11-25
- To distinguish Q in thermodynamics and electricity, Qth [J] is used for heat, and Qel [C] for charge.
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- Joule [J]; 1 J = 1 N·m = 1 V·C; 1 cal = 4.184 J
MitoPedia concepts: Ergodynamics