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PRESSURE MEASUREMENTS ABOVE MECHANICALLY GENERATED WATER WAVES (I)

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概要 Simultaneous measurements of surface pressure and water surface elevation were made under an adverse wind speed of 7.5m/sec for waves with periods of 0.8, 1.0, 1.2, and 1.6 sec in a wind-wave tunnel, ...using a servo-mechanical wave following device on which a disk-shaped pressure probe is mounted. Pressure measurements show that wave-induced pressure is much influenced by the disturbances generated at the air outlet which fluctuate with wave period independently of the location. In order to avoid the disturbances due to the air outlet, it is necessary to make simultaneous measurements of pressure and waves over one wave length in the direction of wave propagation, and then it is possible to obtain the net energy flux between the air flow and waves. The experimental results show that the attenuation rates in an adverse wind are of the same order of magnitude as the growth rates obtained by Shemdin in a favorable wind.続きを見る
目次 1. Introduction
2. Experimental apparatus and procedures
3. Experimental results and discussions
4. Conclusions

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登録日 2022.12.08
更新日 2024.10.22