BS 848-2.5(2003) : 2003被替代
ACOUSTICS - DETERMINATION OF SOUND POWER RADIATED INTO A DUCT BY FANS AND OTHER AIR-MOVING DEVICES - IN-DUCT METHOD
出版：British Standards Institution
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基本信息
標準編號： BS 848-2.5(2003) : 2003
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
Gives a method for testing ducted fans and other air-moving devices to determine the sound power radiated into an anechoically terminated duct on the inlet and/or outlet side of the equipment.
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