通量


通量，或稱流束是通過一個表面或一個物質的量，是一个物理学概念。在热学和流体力学领域中，是指在单位时间内通过单位面积的流量，它是一个向量；在电磁学领域中，是指在单位面积上垂直于其表面的磁场或电场的强度，它是一个标量。



参见


  • 流量

  • 光通量

  • 磁通量

  • 电通量




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