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songzhen25

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        测试IE6D275-e4ES试验样机的噪声水平并确定最终降噪措施,研究风扇及转速高低对发动机噪声的影响;
        对试验样机进行国标测点,附加点及博士测点的振动烈度测试;
        计算各测点的振动位移,速度及加速度,绘制振动速度谱,进行相关数据处理并填写实验报告。
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fjtony163

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米米

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sltmac: 金币+1 2012-09-10 15:38:21
songzhen25: 金币+20, 翻译EPI+1, ★★★★★最佳答案 2012-09-16 14:37:29
Test noise level of experimental sample machine IE6D275-e4ES and determine measures to reduce noises. Then study the effect on engine noises by fan and rotation speed.
Conduct vibration intensity test on experimental sample machine for national standard observation point, additional point, and Doctor Observation point.
Calculate vibration distance, velocity, and acceleration on each observation potion. Draw vibration velocity graph and process related data and write experiment report.
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