[www.staffempire.com]-GBT 17213.16-2005 工业过程控制阀 第8-4部分 噪声的考虑 液动流流经控制阀产生的噪声预测方法.pdfVIP免费

ICS;2316060.01中华人民共和国国家标准GB/T17213.16-2005/IEC60534-8-4:1994工业过程控制阀第8-4部分:噪声的考虑液动流流经控制阀产生的噪声预测方法Industrial-processcontrolvalves-Part8-4:Noiseconsiderations-Predictionofnoisegeneratedbyhydrodynamicflow(IEC60534-8-4:1994，IDT)2005-09-09发布2006-04-01实施中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会发布GB/T17213.16-2005/YEC60534-8-4:1994目次前言··················································································································⋯⋯m1范围···············································································································⋯⋯12规范性引用文件··············································································..................⋯⋯13定义···············································································································⋯⋯14符号·············································································································⋯⋯15计算基础·········································································································⋯⋯26内部声功率级Lw的计算，······························································.............⋯⋯37空间传播噪声辐射··································...