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OALib Journal期刊
ISSN: 2333-9721
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交错结构自然通风隔声窗的声学模型
DOI: 10.13232/j.cnki.jnju.2015.01.009, PP. 51-59
Keywords: 自然通风隔声窗,平面波斜入射,声场,有限元仿真
Abstract:
内外交错开窗结构，可在保证室内自然通风量的同时，带来一定的降噪量。现有的理论分析模型仅适用于平面波正入射情况下的声场研究。本文提出一种适用于平面波斜入射情况的声学理论模型，并用有限元数值模型验证其可靠性，进而探究了多角度入射情况下隔声窗内的声场情况，同时分析窗户内壁吸声材料所带来的影响。该模型可用于有源隔声窗实现过程中的参考传声器和误差传声器的位置优化。
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