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Published November 1, 1970 | public
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Experimental Verification of Cavity-Flow Wall Effects and Correction Rules


This report is intended as a companion to Report No. E-111A.5, "Wall Efects in Cavity Flows", by Wu, Whitney and Lin. Some simple rules for the correction of wall effect are derived from that theoretical study. Experiments designed to complement the theory and to inspect the validity of the correction rules were then carried out in the high-speed water tunnel of the Hydrodynamics Laboratory, California Institute of Technology. The measurements on a series of fully cavitating wedges at zero angle of attack suggested that of the theoretical models that due to Riabouchinsky is superior. They also confirmed the accuracy of the correction rule derived using that model and based on a measurement of the minimum pressure along the tunnel wall.

Additional Information

Report (U) No. E-97A-18. Contract NO0014-67-A-0094-0012. The authors have pleasure in expressing their appreciation and gratitude to Professor Francis Clauser for invaluable encouragement, and to the Division of Engineering and Applied Science of the California Institute of Technology for the entire support to carry out the experimental investigation using the High-speed Water Tunnel facility of the Hydrodynamics Laboratory. The early part of the main theoretical study was carried out under the support of the Naval Ship System Command General Hydrodynamics Research Program, SR 009 01 01, and Hydrofoil Advanced Development Program S 46-06, Contract N00014-67-A-0094-0007, administered by the Naval Ship Research and Development Center, with the results reported by Wu, Whitney and Lin (1969), and the latter part, with further results presented herein, under the support of the Office of Naval Research.


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