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首页> 外文会议>International Compressor Engineering Conference at Purdue >Hybrid Experimental and Analytical Approach to Reduce Low Frequency Noise and Vibration Frequency Noise and Vibration
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Hybrid Experimental and Analytical Approach to Reduce Low Frequency Noise and Vibration Frequency Noise and Vibration

机译：杂交实验和分析方法，降低低频噪声和振动频率噪声和振动

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This paper describes the experimental and analytical techniques used to identify and correct the noise and vibration concerns in a new family of reciprocating compressors. Operating sound, vibration and pressure pulsation data were acquired simultaneously on a prototype compressor. Analysis of this data led to two areas of concern. The first concern was identified using Operating Deflection Shape (ODS) analysis of the compressor in conjunction with an uncoupled vibro-acoustic model of the suction cavity. The second concern was identified using experimental impact tests on individual components in conjunction with a finite element model. In both cases, experimental data were not only used to diagnose the problem but also to validate models of the baseline configuration. The models were then used to investigate possible countermeasures.
机译：本文介绍了用于识别和校正新系列往复式压缩机家族中噪声和振动问题的实验和分析技术。在原型压缩机上同时获取操作声音，振动和压力脉动数据。分析此数据导致了两个关注的领域。使用压缩机的操作偏转形状（ODS）分析结合抽吸腔的未耦合的振动声学模型来识别第一个问题。第二个问题是使用各个组分的实验冲击试验与有限元模型结合使用实验性冲击试验。在这两种情况下，实验数据不仅用于诊断问题，而且还用于验证基线配置的模型。然后使用该模型来研究可能的对策。

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