jbt4364-2014风机配套消声器性能试验方法

《jbt4364-2014风机配套消声器性能试验方法》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、0ICS23.120J72备案号：47248—2014中华人民共和国机械行业标准JB/T4364—2014代替JB/T4364—1999风机配套消声器性能试验方法Performancetestmethods—Auxiliarysilenceroffan2014-07-09发布2014-11-01实施中华人民共和国工业和信息化部发布JB/T4364—2014目次前言..................................................................................................

2、....................................................................II1范围................................................................................................................................................................12规范性引用文件.......................................

3、.....................................................................................................13术语和定义....................................................................................................................................................14试验装置和设备仪器..............

4、......................................................................................................................24.1消声器性能试验装置.............................................................................................................................24.2试验设备和测量仪器............

5、.................................................................................................................25试验条件........................................................................................................................................................45.1测试工况..

6、...............................................................................................................................................45.2气象条件..................................................................................................................................

7、...............46试验方法........................................................................................................................................................46.1背景噪声....................................................................................................

8、.................................