The Environmental Noise Level of the Fishing Training Ship KAGOSHIMA MARU

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  • かごしま丸の環境騒音レベル
  • カゴシママル ノ カンキョウ ソウオン レベル

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The measurements of environmental noise level in the fishing training ship Kagoshima-maru have not yet been put into practical use. Therefore, to catch hold of the outline of noise level, the measurement of equivalent continuous A-weighted sound pressure level by a sound level meter at underway of Kagoshima-maru was carried out. The highest environmental noise level was measured 100 dB near the main engine, and in the engine room, 95 dB, in the engine control room, 75 dB, respectively. The lowest level was 50 dB in the chart room. The crew's quarter, the highest noise level in the accommodation space, was 64-69 dB. The cadet's quarter was influenced considerably by the noise of the bow-thruster and the line-hauler, the noise level under fishing tuna-long-line was about 4 dB higher than the underway condition.

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