BS 5944-5:1985-Measurement of airborne noise from hydraulic fluid power systems and components Part 5 :   Simplified method of determining sound power levels from pumps using an anechoic chamber 

 - London :  British Standards Institution,  1985. 
 - 14 p. 
<br/><br/>Describes 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. 
<br/><br/><label>ISBN: </label>0580145158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Error correction, Hydraulic transmission systems, Noise (environmental), Free-field rooms, Acoustic measurement, Sound intensity, Installation, Testing conditions, Pumps, Hydraulic equipment