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Proposal of Ultra Large Block Coefficient Ship and Fundamental Studies on its Bow Wave Breaking

http://hdl.handle.net/20.500.12678/0000007172
75062fe5-d30f-4bf5-92f0-eb7c915079e6
fe049106-0578-47ef-b4f2-a02d6c4d9e2e
None
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18_1(JASNAOE)2013_Journal 18_1(JASNAOE)2013_Journal paper_Dr.Aye Aye Mon.pdf (990 KB)
Publication type
Journal article
Upload type
Publication
Title
Title Proposal of Ultra Large Block Coefficient Ship and Fundamental Studies on its Bow Wave Breaking
Language ja
Publication date 2014-12-01
Authors
Kazuo Suzuki, Md. Ashim Ali, Takanori Hino, Aye Aye Mon
Description
Due to the increase of maritime transportation volume day
by day it is necessary to design a ship hull having large carrying capacity
with low resistance. For this purpose, the authors propose innovative
concepts of Ultra Large Block coefficient Ship (ULBS). In this paper, its
concepts and study plans are shown, and its bow wave breaking
phenomena are investigated as one of the fundamental studies on ULBS
hull form. As experimental studies, wave breaking surface areas caused by
ULBS models are measured. As theoretical ones, wave making resistance
coefficients and distributions of free surface elevation are evaluated by
means of Rankine source method, and distributions of free surface

disturbance function D(x,y) are evaluated by means of Baba's low speed
theory. Various parameters related to the wave breaking phenomena are
investigated in comparisons between experimental and theoretical results.
Under these investigations, it can be concluded that theoretical results
based on wave making resistance coefficients, surface integrals of the
square of free surface elevation and surface integrals of the square of free
surface disturbance function have strong elations to wave breaking surface
areas.
Keywords
Ultra Large Block coefficient Ship (ULBS), Novel hull form, Green ship technology, Energy saving
Identifier https://doi.org/10.2534/jjasnaoe.18.1
Journal articles
18 (2013)
Journal of Japan Society of Naval Architects and Ocean Engineers (JASNAOE)
1-7
18
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0
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