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第 39 卷 第 6 期            夏兆旺等: 嵌入式质量块对隔声门低频段隔声性能的影响                                          923


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                                                                              参 考 文        献
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                   ᬦܦ᧚/dB  30                                    [1] 陈超, 吴玮, 王刚, 等. 低频强噪声急性暴露对巴马香猪耳蜗
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                  图 11  普通隔声门与优化后隔声门的隔声量                         [3] Waye K P, Rylander R. The prevalence of annoyance and
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             中可以看出,优化前隔声门在 40 Hz 时隔声量最低,                           Acustica, 2017, 42(3): 334–340.
             为11.6 dB,而从Tokita记权值可知人体对40 Hz处                     [5] Baumgartl H. Lightweight, versatile all-rounder[J]. Kun-
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             隔声量在40 Hz时有所改善,增加了5.5 dB。经过优                        [7] Carneal J P, Fuller C R. An analytical and experimental
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             频段的隔声性能,建立了两个相邻混响室有限元分                                Tech, 2008.
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             量块在隔声门宽度方向 (x 方向) 的距离和质量块的                         [13] Wang L, Zhang Q, Qin X, et al. Design of a small rever-
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             行了优化设计,结果显示:对于所研究的玻璃棉 (厚                              Ou Dayi, Mak Cheuk-ming, Shi Xiaofeng. The effects
                                  3
             度92 mm,容重24 kg/m ),使用灰铸铁作为质量块,                        of boundary conditions and stiffening parameters on the
                                                                   low-frequency sound insulation performance of plate-like
             并合理布置各个质量块的大小和位置可以有效提                                 building structures[J]. Building Science, 2016, 32(10):
             高隔声门的低频隔声性能。与普通隔声门相比,嵌                                80–85.
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             入式质量隔声门的 Tokita 记权有效隔声量增加了
                                                                   evaluation of stiffened building structures[J]. Building and
             5.0 dB。                                               Environment, 2015, 94: 802–809.
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