Although no load noise does not change obviously,the abnormal birdie phenomenon in the load noise of the motor is eliminated.
YB31 5～ 355— 4 p电动机的槽配合由 72 / 6 4调整为 72 / 6 3,空载噪声虽无明显变化 ,但消除了负载噪声中的异常尖叫现象 ,措施简单、快捷、经济 ,效果明
Research on vibration response of aeronautical thin-wall structure excited by acoustic loads;
航空薄壁结构在噪声载荷作用下振动响应研究
Random vibration response analysis of thin-shells excited by acoustic loads is one of the important tasks of sonic fatigue investigation.
噪声载荷作用下薄壁壳体的振动应力响应分析是声疲劳研究的重要任务之一。