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Energy flux Energy flux is the rate of transfer of energy through a surface. The quantity is defined in two different ways, depending on the context: # Rate of energy transfer per unit area.〔(【引用サイトリンク】title=Energy flux )〕 (SI units: W·m−2 = J·m−2·s−1) # * This is a vector quantity, its components being determined in terms of the normal (perpendicular) direction to the surface of measurement. # * This is sometimes called ''energy flux density'', to distinguish it from the second definition. # * Radiative flux, heat flux, and sound energy flux are specific cases of energy flux density. # Total rate of energy transfer.〔(【引用サイトリンク】title=Solar Physics Glossary )〕 (SI units: W = J·s−1) # * This is sometimes informally called ''energy current''. ==See also==
*Energy flow (ecology) *Flux *Irradiance *Poynting vector *Stress–energy tensor *Energy flow density
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Energy flux」の詳細全文を読む
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