USAF Bioenvironmental Noise Data Handbook Volume 67. FB-111A Aircraft, Near and FAr-Field Noise,

Abstract

The USAF FB-111A aircraft is a strategic nuclear/tactical fighter-bomber powered by two TF30-P-7 turbofan engines. This report provides measured and extrapolated data defining the bioacoustic environments produced by this aircraft operating on a concrete runup pad for three power configurations. Near field data are reported for 8 locations in a wide variety of physical and psychoacoustic measures: overall and band sound pressure levels, C-weighted and A-weighted sound levels, preferred speech interference level, perceived noise level, and limiting times for total daily exposure of personnel with and without standard Air Force ear protectors. Far-field data measured at 19 locations are normalized to standard meteorological conditions and extrapolated from 75-8000 meters to derive sets of equal-value contours for these same seven acoustic measures as functions of angle and distance from the source.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1975
Accession Number
ADA040784

Entities

People

  • Robert G. Powell

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Aircrafts
  • Biomedical Research
  • Bomber Aircraft
  • Course Deviation Indicators
  • Engine Noise
  • Engines
  • Environment
  • Far Field
  • Government Procurement
  • Measurement
  • Near Field
  • Plastic Explosives
  • Self Assembly
  • Sound Pressure
  • Three Dimensional
  • Turbofan Engines

Fields of Study

  • Physics

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