Rate of heat flow

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Notion

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Science and technology

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What Wikipedia says

The rate of heat flow is the amount of heat that is transferred per unit of time in some material, usually measured in watts (joules per second). Heat is the flow of thermal energy driven by thermal non-equilibrium, so the term 'heat flow' is a redundancy (i.e. a pleonasm).

Excerpt from the Wikipedia article “Rate of heat flow”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Matthew328741, CC BY-SA 4.0, via Wikimedia Commons.