JCQ depurant-muffler is adopted on 49ZQ engine using small rare-earth element balls as catalyst and took the method of quadrature frequency band optimization to opetmize the configuration parameters.
于492Q发动机
JCQ净化消声器采
稀土小球为催化
,
交频带加权
化法
选消声器结构参数,取得良好
消声、净化性
。