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IUPAC - heat flux (H02755)

heat flux, \(J_{q}\)

https://doi.org/10.1351/goldbook.H02755
Heat transferred through a cross section perpendicular to the flow in a small time interval divided by that time interval and the cross sectional area.
See also:
flux (of a quantity)
Source:
Green Book, 2nd ed., p. 65 [Terms] [Book]