Expansion type muffler 膨胀式消音器
expansion chamber muffler 膨胀箱式消声器
Expansion cavity type muffler 扩张室消声器
In this paper, the theoretical study and experimental analysis for industrial muffler are conducted. The acoustic performance of the expansion muffler is acquired by analysis and experiment.
对某工业消声器进行了理论研究和实验分析，通过分析试验得到这类消声器的消声特性，指出在实际中，此类消声器声波不是严格按照一维平面波形式传播。
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