Accession Number : AD0489020

Title :   NOISE CHARACTERISTICS OF THE AEROJET-GENERAL SILENT VALVE.

Descriptive Note : Research and development rept.,

Corporate Author : NAVY MARINE ENGINEERING LAB ANNAPOLIS MD

Personal Author(s) : Davidson, L. C.

Report Date : SEP 1966

Pagination or Media Count : 18

Abstract : The noise characteristics of a 'Silent' valve were investigated. On the basis of overside noise, the subject valve was significantly quieter than a standard marine service globe valve of comparable size. As a passive noise transmission element, the silent valve produced significant broad-band attenuation in the frequency range above 300 cps.

Descriptors :   (*VALVES, NOISE), GLOBE VALVES, VIBRATION, SOUND TRANSMISSION, MEASUREMENT, HYDRAULIC ACTUATORS, HOSE FITTINGS, CAVITATION, ELASTIC PROPERTIES, PIPES, STEAM PIPES, ATTENUATION, BROADBAND, RADIOFREQUENCY, FLUID FLOW, SKIN FRICTION, REDUCTION, TEST EQUIPMENT, TEST METHODS.

Subject Categories : Marine Engineering
      Pumps, Filters, Pipes, Tubing, Fittings & Vlvs

Distribution Statement : APPROVED FOR PUBLIC RELEASE