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- W290604243 abstract "Abstract : In addition to the previously developed partially cavitating cascade theory, two new flow models were constructed in search of a better flow model for determining accurate force coefficients. Effort has been made for obtaining (1) physically acceptable flows, particularly the location of cavity boundary and (2) smooth matching of the flow characteristics between the partially cavitating and supercavitating flow regimes. Based on the numerical results made with these flow models for practical blade profiles taken after a supercavitating propeller it was found that no single flow model developed above could handle the complete set of cascade geometries and incidence angles. One theory was supplemental to the other and no definite guideline was discovered for selection of an appropriate flow model for a specified flow condition to be solved except for a few weak evidences. The data calculated with one of the above theories were used in the high speed propeller theory for predicting the performance of a supercavitating propeller operating at the partially cavitating regime. The results showed a slight improvement over the previous ones, indicating a good possibility of increasing the prediction capability of the propeller theory for the partial cavitating flow regime. In doing this, a more accurate theory will have to be developed. Before making further effort on developing such a theory, many unknown aspects regarding the boundary condition of the partially cavitating cascade flow should be clarified. A systematic experimental study for such flow is now in order and strongly recommended. (Author)" @default.
- W290604243 created "2016-06-24" @default.
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- W290604243 date "1979-10-01" @default.
- W290604243 modified "2023-09-24" @default.
- W290604243 title "PARTIALLY CAVITATING CASCADE THEORIES AND THEIR APPLICATION TO CAVITATING PROPELLER FLOWS" @default.
- W290604243 hasPublicationYear "1979" @default.
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