Số hiệu tiêu chuẩn
EN ISO 7235
Tên tiêu chuẩn
Acoustics - Measurement procedures for ducted silencers - Insertion loss, flow noise and total pressure loss (ISO 7235:1991)
Ngày phát hành
1995-05-00
Tiêu chuẩn tương đương
DIN EN ISO 7235 (1995-09), IDT * BS EN ISO 7235 (1996-05-15), IDT * NF S31-127 (1995-07-01), IDT * ISO 7235 (1991-04), IDT * SN EN ISO 7235 (1995), IDT * OENORM EN ISO 7235 (1995-10-01), IDT * PN-EN ISO 7235 (1998-03-31), IDT * SS-EN ISO 7235 (1995-11-17), IDT * UNE-EN ISO 7235 (1996-04-29), IDT * STN EN ISO 7235 (1998-12-01), IDT * NEN-EN-ISO 7235:1995 en (1995-06-01), IDT
Từ khóa
Absorption * Acoustic measurement * Acoustic testing * Acoustics * Air flow * Attenuation constant * Canals * Clay * Corrrections * Damping * Definitions * Ducts * Engine silencers * Equipment * External noise * Fans * Flow * Graphic symbols * Handling * Insertion loss * Loudspeakers * Measurement * Measurement circuits * Measuring ducts * Measuring equipment * Measuring instruments * Measuring objects * Measuring techniques * Microphone arrangement * Microphones * Noise * Noise (environmental) * Noise measurements * Performance tests * Pressure drops * Reflection * Reverberation rooms * Silencers * Sound * Sound absorption * Sound fields * Sound intensity * Sound level * Sound meters * Sound pressure * Sound pressure level * Structure-borne noise * Symbols * Testing * Testing set-ups * Tests * Transmittances * Ventilation ductwork * Ventilation equipment * Walls * Sound levels * Sewers * Qualification tests * Channels * Extraneous noise
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EN ISO 7235
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