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.

Report Date:

1987-06-01

Pagination or Media Count:

160.0

Abstract:

The AF32T-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 dBA. The measured OASLA values exceeded the 77 dBA 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