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首页> 外文期刊>The Transactions of the Royal Institution of Naval Architects,Part A:International journal of maritime engineering >DETERMINATION OF DRAG AND LIFT RELATED COEFFICIENTS OF AN AUV USING COMPUTATIONAL AND EXPERIMENTAL FLUID DYNAMICS METHODS
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DETERMINATION OF DRAG AND LIFT RELATED COEFFICIENTS OF AN AUV USING COMPUTATIONAL AND EXPERIMENTAL FLUID DYNAMICS METHODS

机译：使用计算和实验流体动力学方法测定AUV的阻力和提升相关系数

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摘要

Determination of hydrodynamic coefficients is a vital part of predicting the dynamic behavior of an Autonomous Underwater Vehicle (AUV). The aim of the present study was to determine the drag and lift related hydrodynamic coefficients of a research AUV. using Computational and Experimental Fluid Dynamics methods. Experimental tests were carried out at AUV speed of 1.5 m s~(-1) for two general cases: Ⅰ. AUV without control surfaces (Hull) at various angles of attack in order to calculate Hull related hydrodynamic coefficients and Ⅱ. AUV with control surfaces at zero angle of attack but in different stem angles to calculate hydrodynamic coefficients related to control surfaces. All the experiments carried out in a towing tank were also simulated by a commercial computational fluid dynamics (CFD) code. The hydrodynamic coefficients obtained from the numerical simulations were in close agreement with those obtained from the experiments.
机译：水动力系数的测定是预测自主水下车辆（AUV）的动态行为的重要部分。本研究的目的是确定研究AUV的阻力和提升相关流体动力学系数。使用计算和实验流体动力学方法。实验试验在AUV速度为1.5 m S〜（-1）的两种情况下进行：Ⅰ。 AUV在不同攻击角度的无控制表面（船体）以计算船体相关的流体动力学系数和Ⅱ。 AUV具有零攻角的控制表面，但在不同的茎角度以计算与控制表面相关的流体动力系数。在牵引箱中进行的所有实验也被商业计算流体动力学（CFD）代码模拟。从数值模拟中获得的流体动力学系数与从实验中获得的那些密切一致。

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