Three-Dimensional Unsteady Simulation of Cavitating Flows in Injector Passages

[+] Author and Article Information
R. A. Bunnell, S. D. Heister

School of Aeronautics and Astronautics, Purdue University, W. Lafayette, IN 47907-1282

J. Fluids Eng 122(4), 791-797 (Jul 11, 1999) (7 pages) doi:10.1115/1.1315590 History: Revised July 11, 1999; Received December 06, 1999
Copyright © 2000 by ASME
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Boundary mesh and schematic representation of cross-flow imposed by the manifold
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3-D potential flow theory for inlet conditions for manifold cross-flow
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Cavitation length, Lc, and orifice discharge coefficient, Cd for two meshes (K=1.2)
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Cavitation length histories for K=6, 1.8, 1.2
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Discharge coefficient histories for K=6, 1.8, 1.2
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Cavitation profiles at four different instances in time (K=1.2)
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Typical streamline patterns (K=6.0: noncavitating)
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Typical streamline patterns (K=1.2: cavitating)
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Exit plane velocity characteristics (a) streamlines; (b) axial velocity contours; (c) transverse velocity, (in direction of cross-flow); (d) transverse velocity, (normal to cross-flow); K=6.0: noncavitating)
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Exit plane velocity characteristics (a) streamlines; (b) axial velocity contours; (c) transverse velocity, (in direction of cross-flow); (d) transverse velocity (normal to cross-flow); K=1.2: cavitating)



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