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Vena Contracta in orifice plates

Vena Contracta in orifice plates

Vena Contracta in orifice plates

(OP)
Hi. Does anybody know how to find the diameter of a Vena Contracta in orifice plates in gas/vapour flows?  

RE: Vena Contracta in orifice plates

Micrometer?

RE: Vena Contracta in orifice plates

(OP)
A vena contracta is point in flow where a jet of fluid is narrowest. It's not 'governed' by any measurable boundry. Was after an analytical solution.   

RE: Vena Contracta in orifice plates

Pretty good explaination at Princeton Paper

David

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