摘要
用消声器传递矩阵分析法，对ＮＪＤ４３３Ａ柴油机的排气消声器的结构参数进行了优化设计。经对比试验表明，该优化设计方案效果是明显的，适于实际推广。
The structural parameters of NJD433A diesel engine muffler are optimized using the method of transfer matrix analysis. The prototype comparison test shows that the results are effective and the method is worth promoting.
