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flow velocity : ウィキペディア英語版 | flow velocity In continuum mechanics the macroscopic velocity, also flow velocity in fluid dynamics or drift velocity in electromagnetism, is a vector field which is used to mathematically describe the motion of a continuum. The length of the flow velocity vector is the flow speed and is a scalar. ==Definition==
The flow velocity ''u'' of a fluid is a vector field : which gives the velocity of an ''element of fluid'' at a position and time . The flow speed ''q'' is the length of the flow velocity vector : and is a scalar field.
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「flow velocity」の詳細全文を読む
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