The noise of 4110Q diesel engine and its oil pan, flywheel cover, oil pump, valve chamber has been studied by the analysis system of B&K3560 in the normal Semi-anechoic chamber.
在标准半消声室，用B&K3560噪声测量分析系统对4110Q柴油机整机和油底壳、飞轮壳、喷油泵、摇臂罩等零部件的噪声进行了台架试验研究。
The characteristics of cylinder cover vibration signals excited by valve impacts and combustion forces are discussed, and some criteria suitable for diesel engine vibration monitoring are proposed.
研究气阀敲击及气缸内燃气激励引起的气缸盖振动特征，并给出适合于柴油机振动状态监测的判据。
The characteristics of cylinder cover vibration signals excited by valve impacts and combustion forces are discussed, and some criteria suitable for diesel engine vibration monitoring are proposed.
研究气阀敲击及气缸内燃气激励引起的气缸盖振动特征，并给出适合于柴油机振动状态监测的判据。
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