Abstract
In the present report, we carry out an experiment in acoustic radiation problem with the 2-dimensional full submerged circular cylindrical shell, and compare its results with the theoretical solutions which were calculated in the preceeding report.In order to compare with the 2-dimensional theoretical solutions, we separate the experimental cylinder model into 3 parts to exclude the 3-dimensional effects, put an exciter in the middle part of the model with watertight condition.We could get a clear vibrational mode of the cylinder in the low frequency experiment, and measure the radiational sound pressure accurately.Prior to the experiment in the anechoic tank, we carried out the vibration experiment in air, verified the eigenfrequency and the shape of vibration mode of the cylinder.
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