EN 25136-1993 标准详情
- 标准号:EN 25136-1993
- 中文标题:声学.由通风机辐射到导管的声功率测定,引入法
- 英文标题:acoustics - determination of sound power radiated into a duct by fans - in-duct method (iso 5136 : 1990 and technical corrigendum 1 : 1993)
- 标准类别:欧盟标准EN
- 发布日期:1993-01-01
Specifies a method for testing ducted fans to determine the sound power radiated into an anechoically terminated duct on the inlet and/or outlet side of the equipment. Applies to fans that emit steady, broad band, narrow band and discrete frequency s
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