作者jacklai0924 (jacklai)
站内Mechanical
标题关於Superficial Velocity
时间Sat Feb 2 18:50:52 2013
http://en.wikipedia.org/wiki/Superficial_velocity
其中提到Superficial velocity is used in many engineering equations because it is the value which is usually readily known and unambiguous, whereas real velocity is often variable from place to place, its mean not readily available in complex flow systems, and subject to assumptions.
是不是代表表面速度仅能当成一种理论，而在实质的流体里，仅仅只是假设值，想听听大家的看法
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