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针对柴油机排气消声器 ,将流体计算软件用于阻力特性分析 ,并采用对试验件进行静态放声试验的方法 ,优化消声器的声学设计以提高消声效果。
Aiming at the exhaust muffler of diesel engine, the fluid calculation software is used for the analysis of the resistance characteristics, and the static sound emission test of the test piece is adopted to optimize the acoustic design of the muffler to improve the noise reduction effect.