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Experimental investigation of contraction in single- and two-phase flow through sharp-edged short orifice |
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| Authors: | B. Shannak L. Friedel M. Alhusein A. Azzi |
| Affiliation: | 1. Technische Universit?t Hamburg-Harburg, Arbeitsbereich Str?mungsmechanik Ei?endorfer Str. 38, D-27073, Hamburg, Germany 2. Mechanical Eng. Department, Mu’tah University, Karak, Jordan 3. Inst. Génie Mécanique, Université Houari Boumedienne, Alger, Algeria |
| Abstract: | The flow contraction through sharp-edged short orifices respectively the narrowest flow cross-section or the vena contracta has been measured for water, air and air/water mixture. The results demonstrate that the contraction in the case of subcritical single-phase flow is restricted to values between 0.62 and one, while in the two-phase flow it is limited to very narrow ranges of air mass flow qualities where the flow regime is specified as bubbly or spray. |
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