113 ある船舶の騒音レベルと國際海事機構(IMO)の船内騒音規制(オーガナイズドセッション : O.S.3 感性を考慮した防振・静音化技術II)

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As the noise of ship engine room is too loud, the engineers work in a ship engine-room or any other loud working places have the trouble of hearing. In this paper deals the investigation of the noise of ship engine room and cabins with the internationally allowable noise exposure level and noise exposure time. Recently, international regulations for ship noises are going to restrict because of passengers and workers who ride in a ship desire that the ship noise should improve for comport and good working environment. The problem of engine-room noise is going to more serious because ship-owner wants to make small number and larger size of cylinder. Therefore, investigation and comparison for the ship noise with the international regulation are very important to improving the ship noises. In this study, a training ship and a huge container vessel were used to investigate the noise of engine room, engine-control room, offices, and cabins. As criteria of sound levels, sound pressure level and one octave band pressure level were used.
一般社団法人日本機械学会の論文
2001-06-05