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利用实验模态分析技术对某柴油机机体进行减振降噪的研究 .研究结果表明 ,模态分析技术能有效提高柴油机机体的刚度 ,改善刚度分布 ,降低整机振动 ,减少噪声辐射 .实验研究取得了令人满意的降噪效果 .
The experimental research on the vibration and noise reduction of a diesel engine body by using the experimental modal analysis technology shows that the modal analysis technology can effectively improve the stiffness of the diesel engine body, improve the stiffness distribution, reduce the vibration of the whole machine and reduce the noise radiation. Satisfactory noise reduction effect.