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Mar Technol SNAME N 47 (01): 1–16.
Paper Number: SNAME-MTSN-2010-47-1-1
Published: 01 January 2010
...Daniel Savistky; Michael Morabito Results of an extensive series of model tests that define the longitudinal surface wake profiles aft of prismatic hulls having deadrise angles of 10º, 20º and 30º are presented. Empirical equations are developed that quantitatively define these profiles...
Mar Technol SNAME N 47 (01): 37–46.
Paper Number: SNAME-MTSN-2010-47-1-37
Published: 01 January 2010
... that the ship did break near the surface. Recent evidence and analysis indicates that the initial point of hull failure was at or near the double bottom and the ship effectively broke bottom up. 1 1 2010 1 1 2010 2010. The Society of Naval Architects and Marine Engineers ship sheer strake...
Mar Technol SNAME N 46 (03): 140–154.
Paper Number: SNAME-MTSN-2009-46-3-140
Published: 01 July 2009
...David Molyneux; Jie Xu; Neil Bose This paper presents the results of experiments to measure flow velocities around the hull of an escort tug model operating at a yaw angle of 45 deg using particle image velocimetry (PIV). The paper describes the setup, calibration, and operation of the PIV system...
Mar Technol SNAME N 46 (02): 91–98.
Paper Number: SNAME-MTSN-2009-46-2-91
Published: 01 April 2009
... for displacement-type ships, Journal of Ship Research, 46, 3, 208–213]. These side bulbs are designed to create a wave pattern that interacts with the ship wave system of the hull at the desired speed range. This concept was first successfully tested on a coaster tanker and then extended to the UBC series hull...
Mar Technol SNAME N 45 (01): 54–62.
Paper Number: SNAME-MTSN-2008-45-1-54
Published: 01 January 2008
...Hisayoshi Endo; Yasuhira Yamada The critical striking velocity (VBcr) and the critical collision angle (θcr) are introduced as the measures to represent the performance level of buffer bow. Those critical events are defined as the threshold whether the inner hull of struck tanker is ruptured...
Mar Technol SNAME N 44 (04): 254–267.
Paper Number: SNAME-MTSN-2007-44-4-254
Published: 01 October 2007
... spaces resulting from the reconstruction of the hull are evaluated using ancient tonnage measurement techniques and modern naval architecture techniques to evaluate the cargo capacity of the ship. The intact floatability and stability of the ship are also investigated and compared with modern stability...
Mar Technol SNAME N 44 (02): 106–117.
Paper Number: SNAME-MTSN-2007-44-2-106
Published: 01 April 2007
... options for powering, hull material, and graywater (GW) treatment. The principles described in this paper can be used to guide the efficient, cost-effective design of any system along sustainable principles. Environmental life-cycle analysis is performed, and the economic cost of each alternative...
Mar Technol SNAME N 44 (01): 16–26.
Paper Number: SNAME-MTSN-2007-44-1-16
Published: 01 January 2007
... and displacements was achieved. 1. Introduction STRUCTURAL integrity of large boat hulls or decks made from glass reinforced polymers (GRP) requires the quantifi- cation of deformation and stress states under various local conditions caused by ship sag, wave slap, and equipment load. These structures have complex...
Mar Technol SNAME N 44 (01): 35–56.
Paper Number: SNAME-MTSN-2007-44-1-35
Published: 01 January 2007
...Daniel Savitsky; Michael F. DeLorme; Raju Datla The planing hull performance prediction method published by Savitsky in the October 1964 issue of SNAME's Marine Technology included only the viscous drag and pressure drag components in the bottom area aft of the stagnation line. While discussing...
Mar Technol SNAME N 43 (03): 146–151.
Paper Number: SNAME-MTSN-2006-43-3-146
Published: 01 July 2006
...Tim Gourlay A simple formula is developed for predicting the maximum squat of a displacement ship as it passes through the transcritical speed range. This is given in terms of a maximum sinkage coefficient, which is almost constant across a wide range of hull forms. Satisfactory agreement is shown...
Mar Technol SNAME N 43 (02): 85–90.
Paper Number: SNAME-MTSN-2006-43-2-85
Published: 01 April 2006
.... 1 4 2006 1 4 2006 2006. The Society of Naval Architects and Marine Engineers ship hull age limit marine transportation double hull ferry freight & logistics services Convention aftermath policy-making april 2006 maritime safety contingency planning maritime safety...
Mar Technol SNAME N 42 (03): 132–143.
Paper Number: SNAME-MTSN-2005-42-3-132
Published: 01 July 2005
..., and relocation of the noise and pollution offshore. The military services have a similar need for high-speed coastal shipment of military cargo. This paper examines the feasibility of using a high-speed trimaran with SWATH side hulls to provide a service with enough speed, reliability, and economy to draw truck...
Mar Technol SNAME N 41 (03): 122–139.
Paper Number: SNAME-MTSN-2004-41-3-122
Published: 01 July 2004
...Jeom Kee Paik The aim of the present paper is to establish a practical guide for the ultimate longitudinal strength assessment of ships. The ultimate hull girder strength of a ship hull can be calculated using either the progressive collapse analysis method or closed-form design formulas...
Mar Technol SNAME N 41 (02): 89–93.
Paper Number: SNAME-MTSN-2004-41-2-89
Published: 01 April 2004
... method for predicting the r011 damping of ships was developed for conventional hull shapes of cargo ships, the block coefficient, C of which is around 0.56 to 0.85, and the Froude number is up to 0.25. The method was composed of five components, friction, wave, eddy, lift, and bilge keel components...
Mar Technol SNAME N 40 (04): 258–269.
Paper Number: SNAME-MTSN-2003-40-4-258
Published: 01 October 2003
... was with abnormal wave effects on hatch cover failure and subsequent flooding into forward cargo holds. No serious speculation on hull-girder collapse was raised in the previous investigations. The present paper studies this possible cause, which involves the vessel's sinking due to structural progressive collapse...
Mar Technol SNAME N 39 (03): 187–195.
Paper Number: SNAME-MTSN-2002-39-3-187
Published: 01 July 2002
...Roko Dejhalla; Zoran Mrša; Senka Vukovic´ A genetic algorithm-based optimization method is proposed for an optimization of a ship hull from a hydrodynamic point of view. In the optimization procedure, the wave resistance has been selected as an objective function. The genetic algorithm is coupled...
Mar Technol SNAME N 39 (01): 54–61.
Paper Number: SNAME-MTSN-2002-39-1-54
Published: 01 January 2002
...Kalman Ziha Relevant approximations based on permanent waterplane characteristics are summarized for a more accurate assessment of the effects of longitudinal deflections of an elastic ship's hull on drafts and displacement during marine surveys of merchant ships. The possibility of a different...
Mar Technol SNAME N 38 (04): 233–240.
Paper Number: SNAME-MTSN-2001-38-4-233
Published: 01 October 2001
... vessel. The design methodology involves a three-dimensional model to predict the wake velocities around the axisymmetric SWATH lower hulls and an advanced lifting line procedure, which includes the deformation of the propeller's slipstream for the theoretical modeling of the stator and the propeller...
Mar Technol SNAME N 38 (03): 177–185.
Paper Number: SNAME-MTSN-2001-38-3-177
Published: 01 July 2001
... operation half frame subsea system strength hull research vessel hull strength upgrade construction remotely operated vehicle strut modification intersection july 2001 frequency inspection Mbari aluminum alloy finite-element model marine technology western flyer SWATH Research Vessel...
Mar Technol SNAME N 38 (02): 112–115.
Paper Number: SNAME-MTSN-2001-38-2-112
Published: 01 April 2001
... are premature. Composites are presently used for sections of large steel vessels, including nonpressure hull decking, nosesections, sails and diving planes for submarines, weapons enclosures and masts for destroyers, funnels on cruise ships and hatch covers for barges. Research is ongoing for use of composites...
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