东方红LR6105柴油机噪声源的识别和控制

Noise Source Identification and Noise Level Reduction Conducted for LR6105 Diesel Engine

通过对东方红ＬＲ６１０５ 柴油机进行声强测量，确定了柴油机的主要噪声源，并采取了相应措施，使柴油机的噪声声功率级下降了３．１ｄＢ（Ａ）．

By way of sound power level measurement,primary noise sources have been determined for Dongfanghong LR6105 diesel engine and countermeasures have been taken to reduce its noise level by 3.1dB(A).