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Research on the Wave-making Resistance of the Ship with Muti-appendages

Author: YangZhuoZuo
Tutor: HanDuanFeng
School: Harbin Engineering University
Course: Design and manufacture of ships and marine structures
Keywords: New slender ship theory Resistance possessed Multi - possessed ship Hydrofoil near free surface Resistance test Regression formula
CLC: U661.311
Type: Master's thesis
Year: 2007
Downloads: 181
Quote: 4
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Abstract


Ship inevitable need to install possessed device , possession improve the performance of the ship at the same time , have an important impact on the ship around the flow field and the whole ship hydrodynamic performance , so predicting interference between the resistance possessed and master possessed resistance to become an important research topic . The paper to improve the performance of ship wave resistance , the proposed one for the theoretical prediction method in various forms possessed the impact of ship resistance and hydrostatic resistance test of the ship model with possessed . From the comparison of theoretical calculations and model tests , the calculation method proposed in this paper can be separately the possessed and install possessed after forecasting performance of ship resistance , but to improve the accuracy , and came to the conclusion empirical formula , calculated spectra still need to be more careful work. This article , based on the Noblesse a new slender ship theory , research the 0 -order resistance improved algorithm applied near the surface of the submerged body and possessed the ship with calculated wave resistance coefficient and the far-field waveform . Study possessed the mainstream field , possessed consider independent part of a main ship the same speed movement , respectively, obtained possessed the Kochin function , with the main ship Kochin function linear superposition , which the calculated band possessed ship wave resistance coefficient . For comparison purposes, the authors do a separate water airfoil submerged body and possessed boat mold resistance test . Improvements in ship model resistance test force measurement device , the measurement results closer to the real mainstream field resistance possessed . The paper concludes resistance possessed by the empirical formula to calculate the the band possessed ship without taking into account interference direct sum method ever compare . And on the basis of analysis possessed wave resistance calculated by the proposed algorithm map , try to propose an efficient , flexible regression formula .

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CLC: > Transportation > Waterway transport > Marine Engineering > Ship Principle > Ship dynamics > Ship speed and > Ship resistance
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