碩士 / 國立海洋大學 / 造船工程學系 / 86 / This thesis is aimed at designing a propeller which is
outstanding in performance, to serve as a parent
model of a new series for high speed patrol boats. A new
design procedure and philisophy is estabilished to design the
so- called new-section propeller. It is different from the
method used for conventional NACA a=0.8 section. For
the propeller of high speed craft , the performance of the
new-section prepeller is measured at different cavitation
numbers at the inclined shaft condition, and compared with that
of Newton- Rader propeller. The experimental results show
that both the efficiency of the new-section propeller and the
cavitation extension on blade are better than those of the
Newton-Rader propeller at the inclined shaft condition
regardless cavitation numbers. For propeller of container
ship, one of the most important issues is the reduction of
pressure fluctuation induced by a cavitating propeller.
Similarly, a design procedure and philisophy which takes account
of strength problem of blade due to high skew is
estabilished to design new-section propellers. The
results of experiment and calculation also show that both the
cavitation volume and the pressure fluctuation on ship stern
induced by new- section propeller are much lower than those
of NACA propeller.
| Identifer | oai:union.ndltd.org:TW/086NTOU1345014 |
| Date | January 1998 |
| Creators | Wu, Don Li, 吳東立 |
| Contributors | Y.Z.Kehr, 柯永澤 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 82 |
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