: the rate of emission or transmission of radiant energy
Examples of radiant flux in a Sentence
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Just how much heating takes place is a bit complicated, depending on the actual radiant flux from the sun, Earth’s distance away and reflectivity, and more.—Phil Plait, Scientific American, 3 July 2025 It’s guaranteed to provide optimum energy and radiant flux and when the intensity and efficiency isn’t there, this machine will shine the light and make things flow again.—Bob McManaman, The Arizona Republic, 20 July 2021
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