声学多普勒流速剖面仪(Acoustic Doppler Current Profiler,ADCP)作为与小型三体科考船浮体尺寸相当的凸出附体,既会影响三体科考船流体动力学,也会因船体兴波导致测量结果存在一定误差.本文基于数值仿真方法,研究各种ADCP安装方案对小型三体科考船流体动力学以及ADCP测量精度的影响,获得了小型三体科考船运动过程中的兴波速度,包括ADCP沿其长度和深度不同位置的影响,并分析得出船体和ADCP周围流动的不利干扰区域.研究结果表明,ADCP沿船体布置位置的不同,对ADCP测量流速的校正量约为5％～10％;结合小型三体科考船阻力以及兴波速度,ADCP的最佳安装和位置为"自由"固定在船体中段、下沉量为0.
Analysis of the hydrodynamic interaction between small three body scientific research ship and ADCP
Acoustic doppler current profiler(ADCP),as a protruding attachment with a size equivalent to that of a small three body research vessel,not only affects the fluid dynamics of the three body research vessel,but also results in measure-ment errors due to the wave making of the vessel.This article is based on numerical simulation methods to study the effects of various ADCP installation schemes on the fluid dynamics and ADCP measurement accuracy of small three body scientif-ic research ships.The wave making velocity during the motion of small three body scientific research ships,including the in-fluence of ADCP at different positions along their length and depth,is obtained,and the unfavorable interference areas of the flow around the hull and ADCP are analyzed.The research results indicate that the correction amount for measuring flow ve-locity by ADCP is 5％～10％depending on the placement of ADCP along the hull.The optimal installation and position for ADCP,taking into account the resistance and wave making speed of the small three body research vessel,is to be"freely"fixed in the middle of the hull with zero sinking.
small three body scientific research vesselADCPhydrodynamicswave making velocityCFD
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