Cavitation Performance of Propellers with and without Cupping,

机译：具有和不具有拔罐的螺旋桨的空化性能，

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Four commercial propellers were characterized over a range of cavitation numbers and advance coefficients. Three of the propellers were then cupped to different degrees on the trailing edge and characterized over the same range of cavitation numbers and advance coefficients. The results show an increase in K sub T, K sub Q, and effective pitch corresponding to increasing degrees of cupping. An empirical relationship is derived between the amount of cupping and the resulting increase in effective pitch. It is concluded that cupping is an effective means of correcting an underpitched propeller, at the expense of efficiency and danger of increased cavitation. (Author)

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作者
peck, j. g. fisher, b. l.;
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年度 1976
页码 1-43
总页数 43
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Propellers(Marine); Cavitation; Performance(Engineering); Trailing edges; Deflection; Pitch(Inclination); Variations; Coefficients; Thrust; Torque; Cupped propellers;

机译：螺旋桨（海洋）;空化;性能（工程）;后缘;挠度;俯仰（倾斜）;变化;系数;推力;扭矩;杯形螺旋桨;

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Cavitation Performance of Propellers with and without Cupping,

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