| 柴油机试车车间噪声控制初探 |
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| 引用本文： | 郭建新,段全虎,宫镇.柴油机试车车间噪声控制初探[J].拖拉机与农用运输车,2001(4):14-16. |
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| 作者姓名： | 郭建新 段全虎 宫镇 |
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| 作者单位： | 山东巨菱集团公司技术中心 |
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| 摘 要： | 针对柴油机试车车间的声学特点 ,进行了噪声源分析和频谱分析 ,找出了影响室内声场的主要噪声源 ,以对耳旁噪声影响最大的频率处的降噪量为设计目标 ,采取了相应的消声、吸声、隔声等综合降噪措施 ,取得了降低试车室内噪声 17dB(A)的较好效果 ,并在此基础上提出了几点方向性的改进建议
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| 关 键 词： | 柴油机 试车车间 噪声源 噪声控制 消声 |
| 修稿时间： | 2001年4月2日 |
Decreasing Noises inside Diesel Engine Test Shop |
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| Abstract: | According to the sound characteristic of noise inside the engine test shop ,the main sources of the noise and its spectrum have been analysed. Based on it ,some measures such as acoustic absorption and sound insulation were adopted aiming at reducing the frequency that dominates the ear noise, and a good effect has been attained with the noise level decreased by 17 dB(A). In addition to that, other directional methods are also suggested for improving sound environment. |
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