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º¦ÐßµÄÁÔÈË(¾²°²jingan´ú·¢): ½ð±Ò+10, ллӦÖú 2013-09-14 19:46:45
º¦ÐßµÄÁÔÈË(¾²°²jingan´ú·¢): ½ð±Ò+10, ллӦÖú 2013-09-14 19:46:45
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Õâ¸öÊÇÖÐÎÄÌâÄ¿£¬ÎÒ°ïÄã·Òë³ÉÓ¢ÎÄÌâÄ¿£ºInfluence of underwater towed system on ship maneuverability ²éµ½ÈçϼìË÷ÐÅÏ¢£º Accession number: 20131616214007 Title: Influence of underwater towed system on ship maneuverability Authors: Jin, Liang-An1 ; Yuan, Zhi-Jiang1; Chi, Wei1; Tian, Heng-Dou2; Lu, Yi-Bin1 Author affiliation: 1 Department of Navigation, Dalian Naval Academy, Dalian 116018, Liaoning, China 2 No.91439 Troops of PLA, Dalian 116025, Liaoning, China Corresponding author: Jin, L.-A. (jinliangan@163.com) Source title: Jiaotong Yunshu Gongcheng Xuebao/Journal of Traffic and Transportation Engineering Abbreviated source title: Jiaotong Yunshu Gongcheng Xuebao Volume: 13 Issue: 1 Issue date: February 2013 Publication year: 2013 Pages: 47-54 Language: Chinese ISSN: 16711637 Document type: Journal article (JA) Publisher: Chang'an University, Southen Middle Section of Xi'an City Second Circular Road, Xi'an, 710064, China Abstract: Towing ship, towed cable and towed vehicle were treated as an interactional whole system. Using the boundary conditions of the system, the tensions and moments of towed cable's upper end and bottom end were used into the MMG model of towing ship and the equation with six degrees of freedom for towed vehicle respectively. Coupled with the finite difference method of towed cable, a coupling motion model of the whole system was established. A numerical method was developed based on the model to predict the influence of underwater towed system on the maneuverability of towing ship. Numerical result indicates that the velocity of towing ship decreases by considering the coupling function of towed cable and towed vehicle in steady motion, and the variation is 3%-5%. In the turning maneuver of towing ship, the velocity, turning radius and roll angle of towing ship reduce, and the variations are 2%-3%, 2%-4% and 11%-21% respectively. The influence makes the maneuverability more normal. Moreover, it can be used as the basic theory to predict the behaviors of underwater towed system. Number of references: 15 Main heading: Ships Controlled terms: Cables - Maneuverability - Numerical methods - Submarine cables Uncontrolled terms: Coupling functions - Coupling motions - Numerical results - Ship engineering - Ship maneuverability - Six degrees of freedom - Turning maneuvers - Underwater towed system Classification code: 921.6 Numerical Methods - 706.2 Electric Power Lines and Equipment - 674 Small Craft and Other Marine Craft - 672 Naval Vessels - 671.1 Ship Design - 671 Naval Architecture - 535 Rolling, Forging and Forming Database: Compendex Compilation and indexing terms, © 2013 Elsevier Inc. |
2Â¥2013-09-13 15:50:46













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