摘要
本文研究了东方红ＬＲ６１０５ 柴油机配用的５ 种不同结构的新型排气消声器，其中消声效果最好的新型２ 号消声器与原配消声器相比，发动机台架排气噪声可降低１２－８ｄＢ（Ａ），汽车整车噪声可降低１－２ｄＢ（Ａ）
Five new mufflers of different structure for DFH LR6105 diesel engines are developed.Compared with the original exhaust muffler,the new No.2 muffler which is the best has 12.8dB(A) reduction on engine performance test and 1.2dB(A) on automobile noise level measurement.
