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How to measure angle of flow

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Old   February 8, 2011, 17:22
Default How to measure angle of flow
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Hi,

I have a long vertical pipe in which the flow is almost straight and vertical. Now I want to find out the angle of flow with respect to the Y-axis (just to make sure that the angle wrt Y-axis is less than 15 deg). How can I do that, generally?

I had the problem solved in Fluent. I am not worrying about doing it in Fluent right now. I want atleast the formula. Please help.

Thanks.
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Old   February 9, 2011, 12:40
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tan(flow angle to y axis) = x component of velocity/y component of velocity <= tan(15 degrees)
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Old   February 10, 2011, 15:05
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Quote:
Originally Posted by Speng View Post
tan(flow angle to y axis) = x component of velocity/y component of velocity <= tan(15 degrees)
thanks

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