Internal flow
From Bioblast
{{MitoPedia |abbr=Ii |description=Within the system boundaries, irreversible internal flows of heat and matter along gradients or internal transformations (chemical reactions) contribute to the internal entropy production, diS. In contrast, [[external flow]s, Ie, of heat, work and matter proceed reversibly across the system boundaries (of zero thickness). |info=Gnaiger_1993_Pure Appl Chem }}
MitoPedia concepts: MiP concept, Ergodynamics