| 采用消声障板控制通风管路送、回风口声辐射的研究 |
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| 引用本文： | 金人端,张秀芝.采用消声障板控制通风管路送、回风口声辐射的研究[J].中国安全科学学报,1996,6(2):43-48. |
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| 作者姓名： | 金人端 张秀芝 |
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| 作者单位： | 黑龙江省劳动保护科学技术研究所!哈尔滨市王兆街50号150040 |
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| 摘 要： | 根据扁矩形消声通道二维消声理论替代一维理论导出的消声系数Φ（α），研究了障板消声结构的Φ（α）计算机程序和消声量与障板几何尺寸的关系
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| 关 键 词： | 障板 消声系数 扁矩形管道 二维 |
RESEARCH ON UTILIZING SOUND ATTENUATION BAFFLE CONTROL RADIATION OF SOUND IN THE VENTILATION DUCT TUYERE OF AIR SUPPLY AND AIR RETURN |
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| Jin Renduan,Zhang Xiuzhi Zhang Guozhi Yang Lifang.RESEARCH ON UTILIZING SOUND ATTENUATION BAFFLE CONTROL RADIATION OF SOUND IN THE VENTILATION DUCT TUYERE OF AIR SUPPLY AND AIR RETURN[J].China Safety Science Journal,1996,6(2):43-48. |
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| Authors: | Jin Renduan Zhang Xiuzhi Zhang Guozhi Yang Lifang |
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| Institution: | The province of Hei Long Jing Labour Protection research Institute |
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| Abstract: | This paper according to normal rectanglar duct sound Attenuation Loss Passage 2- D Sound Transmission Theory instead of Sound Deadening Coefficient Φ(α)from 1-D theory deduce, gives Computer Program of the instruction of Sound baffle's sound deadening coefficient Φ(α) and the relationship of the guantity of sound transmission Loss and sound baffle's geometrical size. |
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| Keywords: | Sound baffle Sound deadening coefficieent Normal rectangleduct 2-D(Two-dimension) |
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