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Perforated-ball velocity meter measurements of the water wave kinematics in nonlinear, long and short crested waves

机译：多孔球速度计在非线性，长波和短波中的水波运动学测量

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摘要

Direct measurement of the wave kinematics in laboratory and field has always occupied a central place in experimental research in water waves. In this paper, a laboratory scale, multi-stage three component Perforated-ball Velocity Meter (PVM) has been used to measure the wave kinematics in linear as well as nonlinear waves, in long crested as well as short crested random waves. Special attention is devoted to measurement of the near surface kinematics, especially in regular nonlinear waves. The laboratory measurements in deep and shallow water wave flumes and wave basin have been conducted using the PVM and the measured kinematics have been compared with the calculated kinematics based on several semi-empirical methods as well as ultrasonic current meter measurements. The comparisons have been found to be excellent at all water depths.
机译：在实验室和野外对波浪运动学的直接测量一直在水浪实验研究中占据中心位置。在本文中，实验室规模的多级三分量穿孔球速度计（PVM）已用于测量长波和短波随机波在线性波和非线性波中的波运动学。特别注意近表面运动学的测量，特别是在规则非线性波中。已使用PVM在深水波槽和浅水波槽及海盆中进行了实验室测量，并将测得的运动学与基于几种半经验方法以及超声波电流表测量的运动学进行了比较。已经发现在所有水深处的比较都是极好的。

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