Prediction of Standoff Distances to Prevent Loss of Hearing from Muzzle Blast

Abstract

The recently issued MIL-STD-1474(MI) specifies what maximum side-on sound pressure levels are tolerable for different durations of incident waves if personnel around hazardous noise sources are to be protected from hearing loss. In the case of gun crew hearing loss from muzzle blast, the code either presumes that blast pressures and durations are known, expects blast pressures and duration to be calculated, and/or demands that blast pressures and durations be measured around all guns. In response to MIL-STD-1474, this report presents empirically derived equations for estimating pressure, duration, and time of arrival for reflected shocks relative to incident shocks in the blast field around the muzzle of guns.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1975
Accession Number
ADA005274

Entities

People

  • James C. Hokanson
  • Peter S. Westine

Organizations

  • Southwest Research Institute

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Artillery
  • Curve Fitting
  • Explosions
  • Explosive Charges
  • Explosives
  • Gun Barrels
  • Instrumentation
  • Interior Ballistics
  • Muzzle Brakes
  • Naval Guns
  • Observation
  • Propellants
  • Propelling Charges
  • Recording Systems
  • Standards
  • Weapon Systems
  • Weapons

Readers

  • Auditory Neuroscience/Auditory Physiology.
  • Explosive Engineering.
  • ballistics.