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某型装载机驾驶室空调噪音分析与改进

Construction Machinery Technology & Management(2021)

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Abstract
对空调系统进行噪声测试,识别空调噪声的主要问题,并给出改进建议.通过在半消音室进行多组测试,分析测试数据对比,并结合仿真分析结果,总结出该机型空调系统噪声主要由鼓风机本体旋转噪声,管道涡流噪声和宽频噪声三部分引起,其中鼓风机本体噪声影响最大,其次为风道涡流噪声.改善风道外形可降低噪音,选用噪音更低的鼓风机,效果更佳.
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