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柴油发电机组噪声分析和降噪方案设计

作  者:
杨培斌
单  位:
云南云内动力机械制造有限公司
关键词:
柴油发电机组;噪声分析;噪声控制;静音箱;减振器;进气消音;排气消音
摘  要:
通过对柴油发电机组噪声源的分析,采取隔音、吸音、消音、减振等措施对云内YN25型柴油发电机组进行优化设计;根据发电机组噪声源分布特点设计了静音箱、进风罩、消音器、进气管、减振器等结构并进行试验验证,试验结果表明:发电机组噪声从90dB降低到30dB,验证了计算和设计的合理性;在有限的空间内实现了较大的降噪量,取得良好的效果。为柴油发电机组降噪减振研究提供了理论参考。
译  名:
Noise Analysis and Noise Reduction Schematic Design of Diesel Generator Set
作  者:
Yang Peibin;Yunnan Yunnei Power Machinery Manufacturing Co., Ltd.;
关键词:
diesel generator set;;noise analysis;;noise control;;sound-attenuating cabinet;;shock absorber;;intake silencing;;exhaust silencing
摘  要:
Based on the analysis of noise source of diesel generator set, sound insulation, sound absorption, noise elimination,vibration reduction and other measures are adopted to optimize the design of YN25 series diesel generator set in Yunnei. According to the noise source distribution characteristics of diesel generator set, the structure of static speaker, air intake hood, muffler and shock absorber is calculated and designed. The test results indicate that the noise of generator set is reduced from 92 dB to 30 dB,which verifies the rationality of calculating and designing. Much noise reduction is realized in the limited space, and good results are got. It provides theoretical basis and direction for noise and vibration reduction research of diesel generator set.

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