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Numerical and experimental analyses of hydrodynamic performance of a channel type planing trimaran 被引量：7

Numerical and experimental analyses of hydrodynamic performance of a channel type planing trimaran
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摘要 This paper studies the hydrodynamic performance of a channel type planing trimaran. A numerical simulation is carried out based on a RANS-VOF solver to analyze the hydrodynamic performance of the channel type planing trimaran. A series of hydrodynamic experiments in towing tank were carried out, in which both the running attitude and the resistance performance of the trimaran model were recorded. Some hydrodynamic characteristics of the channel type planning trimaran are shown by the results. Firstly, the resistance declines significantly, with the forward speed across the high-speed resistance peak due to the combined effects of the aerodynamic and hydrodynamic lifts. Secondly, the resistance performance is influenced markedly by the longitudinal positio- ns of centre of the gravity and the displacements. Besides, the pressure distribution on the hull and the two-phase flow in the channel are discussed in the numerical simulations. This paper studies the hydrodynamic performance of a channel type planing trimaran. A numerical simulation is carried out based on a RANS-VOF solver to analyze the hydrodynamic performance of the channel type planing trimaran. A series of hydrodynamic experiments in towing tank were carried out, in which both the running attitude and the resistance performance of the trimaran model were recorded. Some hydrodynamic characteristics of the channel type planning trimaran are shown by the results. Firstly, the resistance declines significantly, with the forward speed across the high-speed resistance peak due to the combined effects of the aerodynamic and hydrodynamic lifts. Secondly, the resistance performance is influenced markedly by the longitudinal positio- ns of centre of the gravity and the displacements. Besides, the pressure distribution on the hull and the two-phase flow in the channel are discussed in the numerical simulations.
作者 苏玉民 王硕 沈海龙 杜欣
机构地区 State Key Laboratory of Autonomous Underwater Vehicle Dalian Shipbuilding Industry Engineering and Research Institute Co.Ltd
出处 《Journal of Hydrodynamics》 SCIE EI CSCD 2014年第4期549-557,共9页 水动力学研究与进展B辑（英文版）
基金 supported by the National Nature Science Foun-dation of China(Grant No.50879014) the Doctoral Program of Higher Education of China(Grant No.200802170010)
关键词 hydrodynamic performance channel type planing trimaran numerical simulations RANS-VOF solver towing tank tests hydrodynamic performance, channel type planing trimaran, numerical simulations, RANS-VOF solver, towing tank tests
分类号 O352 [理学—流体力学]
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参考文献15

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共引文献47

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二级引证文献22

Journal of Hydrodynamics
2014年 第4期

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