Accession Number : ADA183799

Title :   First Article Test Noise Survey of the A/F32T-9 Large Turbo Fan Engine Enclosed Noise Suppressor System, Sky Harbor IAP (International Airport), Phoenix, Arizona.

Descriptive Note : Final rept. for period ending Nov 86,

Corporate Author : AIR FORCE OCCUPATIONAL AND ENVIRONMENTAL HEALTH LAB BROOKS AFB TX

Personal Author(s) : Jenkins,Jeffery C ; Fairman,Terry M

PDF Url : ADA183799

Report Date : Jun 1987

Pagination or Media Count : 160

Abstract : The A/F32T-9 Large Turbofan Engine, Enclosed Noise Suppressor System (T-9 NSS) at Sky Harbor International Airport, Phoenix AZ was surveyed to determine noise levels at 100 meters. With an F101 engine operating at afterburner power the highest measured Overall Sound Level, A-Weighted (OASLA) was 88.7 dB(A). The measured OASLA values exceeded the 77 dB(A) criterion at all but five of the twenty-four sampling positions. Keywords: International airports, Arizona; Turbofan engine test cells; Jet engine noise suppressors.

Descriptors :   *JET ENGINE NOISE, *NOISE REDUCTION, *TURBOFAN ENGINES, AFTERBURNERS, POWER, INTERNATIONAL AIRPORTS, SUPPRESSORS, ARIZONA, LEVEL(QUANTITY), NOISE, HARBORS, SKY, SOUND, SAMPLING, TEST FACILITIES, ACOUSTIC DATA, INTENSITY, ACOUSTIC MEASUREMENT, ACCEPTABILITY

Subject Categories : Acoustics
      Acoustic Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE