Viscous flow through a sharp-edged orifice

A theoretical solution is proposed for the problem of flow through a thin orifice plate placed between chambers having large dimensions relative to the orifice diameter. Experimental results were obtained using molasses having a viscosity of the order of 1000 poise. These results confirmed the analy...

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Veröffentlicht in:	International journal of engineering science 1997-06, Vol.35 (8), p.725-729
1. Verfasser:	Dugdale, D.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Flows in ducts, channels, nozzles, and conduits Fluid dynamics Fundamental areas of phenomenology (including applications) Physics Q1 Velocity
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A theoretical solution is proposed for the problem of flow through a thin orifice plate placed between chambers having large dimensions relative to the orifice diameter. Experimental results were obtained using molasses having a viscosity of the order of 1000 poise. These results confirmed the analysis, but flow was found to be 5–10% less than the theoretical value. This is attributed to the finite size of the chambers of the apparatus and the finite thickness of the orifice plate.
ISSN:	0020-7225 1879-2197
DOI:	10.1016/S0020-7225(96)00123-1