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雾化与喷雾
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ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v14.i1.30
16 pages

SIMULATION OF CAVITATED FLOW IN ORIFICES FED BY A MANIFOLD

Changhai Xu
School of Aeronautics and Astronautics, Purdue University, West Lafayette, Indiana, USA
Stephen D. Heister
Maurice J. Zucrow Laboratories, Department of Aeronautics and Astronautics, Purdue University, West Lafayette, Indiana, USA
Gregory A. Blaisdell
School of Aeronautics and Astronautics, Purdue University, West Lafayette, Indiana, USA

ABSTRACT

Simulations of three-dimensional cavitating flows for an orifice fed by a manifold are performed using a homogeneous flow model. The dynamics of a bubble response per the Rayleigh-Plesset equation are cast into a constitutive equation for the density for the pseudo-fluid. Results are obtained for several different cross-flow velocities for both cavitating and noncavitating flows. The model shows good agreement with measured discharge coefficients and also reveals vortex structures recently found in experimental observations.


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