舶用内装材の音響的性質について
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- 中野 有朋
- 石川島播磨重工業K.K.技術研究所
書誌事項
- タイトル別名
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- On Acoustical Properties of Joiner Structures for Ship
- ハクヨウ ナイソウザイ ノ オンキョウテキ セイシツ ニ ツイテ
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抄録
In order to reduce the airborne and the solidborne noise in the ship compartments, it is important to know some acoustical properties, such as, “abstrahlfaktor”, transmission loss, and damping effect of joiner structures for the ship.<BR>In this experiment, using a coupled reverberation room, the measurement of these properties were made through the sample 2m×1m in size, of several types of fundamental joiner structures, excited by the airborne noise.<BR>In accommodation spaces, which may be predominantly excited by the solidborne noise, the average sound pressure level radiated in the room by the surrounding wall vibration will be calculated by the abstrahlfaktor, average absorption and the velocity level averaged over the wall.<BR>This calculated level will be the upper limit practically expected in this room.<BR>In engine room, which may be largely excited by the airborne noise, the level will be calculated by usual way of using transmission loss.<BR>As for the velocity level and their distribution in the ship compartments, further investigations are to be made.
収録刊行物
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- 造船協會論文集
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造船協會論文集 1965 (118), 318-327, 1965
社団法人 日本船舶海洋工学会
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詳細情報 詳細情報について
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- CRID
- 1390001205355767040
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- NII論文ID
- 110003876743
- 130003731571
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- NII書誌ID
- AN00134580
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- ISSN
- 05148499
- 18842062
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- NDL書誌ID
- 8286695
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- データソース種別
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- JaLC
- NDL
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