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Heat flux or thermal flux is a change in energy over a given area and time. Heat is represented by the symbol Q.
Additional recommended knowledge
The heat transfer rate, or heat flow per unit time, is denoted by:
Heat flux is defined as rate of heat transfer per unit cross-sectional area, and is denoted q, resulting in units of watts per square meter, though slightly different notation conventions can be used.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Heat_flux". A list of authors is available in Wikipedia.|