浅水对多用途水陆两栖车辆阻力影响的数值估计

IF 1.2 Q3 ENGINEERING, MARINE

Journal of Naval Architecture and Marine Engineering Pub Date : 2017-06-28 DOI:10.3329/JNAME.V14I1.26523

M. Nakisa, A. Maimun, Y. Ahmed, F. Behrouzi, A. Tarmizi

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引用次数: 11

摘要

本文对多用途两栖车辆（MAV）在低水深航行时的水动力阻力进行了数值研究。这种类型的车辆和其他沿海漂浮车辆遇到了龙骨下与河床间隙小的问题。船舶阻力和深蹲的正确估计在很大程度上影响着设计阶段的功率计算。本工作使用计算流体动力学（CFD）技术描述了浅水对不同速度下多用途两栖车辆（MAV）阻力的影响。比较了深度限制和无限深度水对船体的阻力。本文广泛介绍了利用ANSYS-CFX14.0应用的CFD模拟限制水深对船舶行为的影响，特别是水动力阻力和深蹲的问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Numerical estimation of shallow water effect on multipurpose amphibious vehicle resistance

This research paper investigated the hydrodynamic resistance of Multipurpose Amphibious Vehicles (MAV) due to navigate in low water depth numerically. This type of vehicle and other coastal floating vehicles encounter the problem of a small under keel clearance with river bed. The proper estimation of ship resistance and squat is influence largely on the power calculation in the design stage. The present work describes the effect of shallow water on the Multipurpose Amphibious Vehicles (MAV) resistance at different speed using Computational Fluid Dynamics (CFD) techniques. A comparison in the drag on the hull is illustrated between depth restriction and infinite depth water. This paper provides a wide introduction into the problems of modelling of the restricted water depth effects on the ship behaviour, specifically hydrodynamic resistance and squat using CFD which is applied by ANSYS-CFX14.0.

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来源期刊

Journal of Naval Architecture and Marine Engineering ENGINEERING, MARINE-

CiteScore

2.50

自引率

5.60%

发文量

审稿时长

20 weeks

期刊介绍： TJPRC: Journal of Naval Architecture and Marine Engineering (JNAME) is a peer reviewed journal and it provides a forum for engineers and scientists from a wide range of disciplines to present and discuss various phenomena in the utilization and preservation of ocean environment. Without being limited by the traditional categorization, it is encouraged to present advanced technology development and scientific research, as long as they are aimed for more and better human engagement with ocean environment. Topics include, but not limited to: marine hydrodynamics; structural mechanics; marine propulsion system; design methodology & practice; production technology; system dynamics & control; marine equipment technology; materials science; under-water acoustics; satellite observations; and information technology related to ship and marine systems; ocean energy systems; marine environmental engineering; maritime safety engineering; polar & arctic engineering; coastal & port engineering; aqua-cultural engineering; sub-sea engineering; and specialized water-craft engineering. International Journal of Naval Architecture and Ocean Engineering is published quarterly by the Society of Naval Architects of Korea. In addition to original, full-length, refereed papers, review articles by leading authorities and articulated technical discussions of highly technical interest are also published.