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Hou Lei, Zhang Jiming. 基于TPA的管路振动贡献量分析[J]. Chinese Journal of Ship Research, 2012, 7(1): 61-64. DOI: 10.3969/j.issn.1673-3185.2012.01.012
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Hou Lei, Zhang Jiming. 基于TPA的管路振动贡献量分析[J]. Chinese Journal of Ship Research, 2012, 7(1): 61-64. DOI: 10.3969/j.issn.1673-3185.2012.01.012
Hou Lei, Zhang Jiming. 基于TPA的管路振动贡献量分析[J]. Chinese Journal of Ship Research, 2012, 7(1): 61-64. DOI: 10.3969/j.issn.1673-3185.2012.01.012
Citation:
Hou Lei, Zhang Jiming. 基于TPA的管路振动贡献量分析[J]. Chinese Journal of Ship Research, 2012, 7(1): 61-64. DOI: 10.3969/j.issn.1673-3185.2012.01.012
基于TPA的管路振动贡献量分析
Hou Lei
,
Zhang Jiming
Graphical Abstract
Abstract
Abstract
针对工程实际中管路振动贡献量难以定量分析的问题,引入传递路径分析法(TPA)。通过测量各路径的频率响应函数、各安装点和评估点的响应以及估算激励力,进行传递路径分析,进而得到设备与管路各自的贡献量。通过用某型海水泵进行实验,验证了该方法的准确性。实验结果表明,在40~200 Hz频段内,采用该方法得到的响应计算值与测量值误差小于3 dB,满足工程实际要求。
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