Optimal profiles for supercavitating propeller screws with spoilers and fixed angle of frontal edge taper (Q2784930)
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scientific article; zbMATH DE number 1733158
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Optimal profiles for supercavitating propeller screws with spoilers and fixed angle of frontal edge taper |
scientific article; zbMATH DE number 1733158 |
Statements
24 April 2002
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supercavitating propeller screws
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optimal profiles
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spoiler
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nonlinear problem
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Optimal profiles for supercavitating propeller screws with spoilers and fixed angle of frontal edge taper (English)
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The exact analytical solution is obtained to the two-dimensional nonlinear problem of a shock free cavitating flow past a wedge with sides of unequal length and a spoiler at the trailing edge of the `lower' face. The Efros cavity closure scheme with a reentrant jet was adopted. The numerical results obtained are compared with those of the corresponding linear theory. A new type of the supercavitating section is designed, having a wedge-like shape of the two-sided wetted forward part, a 2\% length spoiler and a controllable thickness of the leading edge of the foil.
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