Popis: |
An over-all view is presented of the acoustic noise-control pro blem. The following noise source characteristics and methods of noise control are discussed: specification of a noise source, aircraft propellers and reciprocating engines, aircraft jet and rocket engines, fluid flow devices, industrial machine noise, physical characteristics of miscellaneous environmental noise, general noise-control planning, noise-control requirements, control of structure-borne noise, control of air-borne noise, rooms and special enclosures, and evaluation of sound-control installations. |