2D Tests with One and Two Cylinders in Waves

M. de Conti
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Abstract

A small new facility has been installed in the Department of Naval Architecture of the University of Sao Paulo, Brazil. It is a wave flume, 14 meters long, 1 meter wide and 1 meter deep. Regular and irregular waves, as well as packages of waves, can be generated in the range 0.5 - 2.5 Hz, 0.5 - 5.0 cm. The wave generator is plunger-type, driven by a servo-motor. 2D tests with one and two cylinders have been conducted, varying the immersion and the distance between the cylinders. Forces acting on the cylinders, wave elevation and plunger motion have been measured. The paper describes the facility and presents the results for the stationary cylinders acted transversely by waves.
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波浪中一个圆柱体和两个圆柱体的二维测试
巴西圣保罗大学的造船系安装了一个小型的新设施。这是一个波浪水槽,长14米,宽1米,深1米。在0.5 - 2.5 Hz, 0.5 - 5.0 cm范围内可以产生规则波和不规则波,以及波浪包。波浪发生器为柱塞式,由伺服电机驱动。用一个和两个圆柱体进行了二维试验,改变了浸泡时间和圆柱体之间的距离。测量了作用在气缸上的力、波浪高度和柱塞运动。本文介绍了该装置,并给出了固定圆柱受波浪横向作用的结果。
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