BS 7721(1994) : 1994 AMD 14748被替代
GAS TURBINES AND GAS TURBINE SETS - MEASUREMENT OF EMITTED AIRBORNE NOISE - ENGINEERING/SURVEY METHOD
出版：British Standards Institution
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基本信息
标准编号： BS 7721(1994) : 1994 AMD 14748
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Specifies methods for measuring the sound pressure levels on a measurement surface enveloping a source, and for calculating the sound power level produced by the source. Applies to gas turbines and gas turbine sets for: installation on board ships, or offshore installations, road and railway vehicles; industrial applications. Does not apply to gas turbines in aircraft applications. Coverage includes definitions, acoustic environment and instrumentation. Also includes detailed diagrams, tables and annexes.
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