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External acoustic liners for multi-functional aircraft noise reduction
External acoustic liners for multi-functional aircraft noise reduction
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机译:外部隔音衬垫可降低多功能飞机的噪音
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摘要
Acoustic liners for aircraft noise reduction include one or more chambers that are configured to provide a pressure-release surface such that the engine noise generation process is inhibited and/or absorb sound by converting the sound into heat energy. The size and shape of the chambers can be selected to inhibit the noise generation process and/or absorb sound at selected frequencies.
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