reactive muffler meaning in English

反作用消声器
抗性消声器

Acoustic transmission matrix of reactive muffler containing units made of perforated pipe
抗性消声器中含穿孔管时的声传递矩阵
With the fe software ansys , the performance of reactive muffler is calculated by the 3 - d fem ( finite element method ) in this thesis . the mathematical model of inner acoustic fe equation is established and the calculation formulas about tl ( transmission loss ) and il ( insertion loss ) of muffler are deduced
本文讨论了运用ansys分析软件对抗性消声器性能进行三维有限元计算的方法，建立了消声器内部声学有限元方程的数学模型，推导了消声器插入损失和传递损失的计算公式。