00878nam a22000977a 4500020001500000245019900015260005200214300001000266505030900276650019500585  a0580145158  aBS 5944-5:1985-Measurement of airborne noise from hydraulic fluid power systems and components Part 5 : bSimplified method of determining sound power levels from pumps using an anechoic chamber  aLondon :bBritish Standards Institution,c1985.  a14 p.  aDescribes simplified procedures for the determination of the sound power levels of a hydraulic fluid power pump under controlled conditions of installation and operation using a quadrispherical microphone array in an anechoic chamber. These procedures provide a basis for comparing noise levels of pumps.  aError correction, Hydraulic transmission systems, Noise (environmental), Free-field rooms, Acoustic measurement, Sound intensity, Installation, Testing conditions, Pumps, Hydraulic equipment