vena contracta ratio

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Vena contracta — is the point in a fluid stream where the diameter of the stream is the least, such as in the case of a stream issuing out of a nozzle, (orifice). (Evangelista Torricelli, 1643).The maximum contraction takes place at a section slightly on the… … Wikipedia
Orifice plate — Flat plate, sharp edge orifice ISO 5167 Orifice Plate An orifice plate is a device used for measuring the volumetric flow rate. It … Wikipedia
fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… … Universalium
Hydromechanics — (Gr. ubpops avuca ) is the science of the mechanics of water and fluids in general, including hydrostatics or the mathematical theory of fluids in equilibrium, and hydrodynamics, the theory of fluids in motion. The practical application of… … Wikipedia
coefficient of contraction — physics : the ratio of the cross sectional area of the first vena contracta to the area of the discharge aperture … Useful english dictionary

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