题目内容
The kinematic viscosity of saturated steam is ______ at 200 ℃. And the dynamic viscosity of heavy oil is _(0.1pa·s)______ at 333.15 K.
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Two fluid flow patterns are ______ and ______ ; Reynolds number can be used to judge the flow pattern. The expression of Reynolds number in circular pipe is = ______ , and the corresponding critical value of Re is ______ .
运动粘度的量纲为______ ,动力粘度的量纲为______ 。
The kinematic viscosity of saturated steam is ______ at 200 ℃. And the dynamic viscosity of heavy oil is ______ at 333.15 K.
Fluid steady flow only has the relationship with space coordinates and is independent of ______ .
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