Six-Inch Shock Tube Characterization

Abstract

The U.S. Army Aeromedical Research Laboratory (USAARL) Auditory Protection and Performance Division (APPD) owns, operates, and maintains a 6-inch inner diameter shock tube to create shock waves in a controlled environment. Firing parameters such as diaphragm material, diaphragm thickness, and transducer location can alter the properties of the produced shock wave. The measured shock wave properties in this study are peak level and A-duration. The shock tube produced more consistent peak levels and A-durations as cylinder pressure approached the natural membrane burst pressure or 80 psi limit. With enough space in the exposure room, the 6-inch shock tube satisfies the requirements in American National Standards Institute/Acoustical Society of America (ANSI/ASA) standard S12.42-2010 for impulse peak insertion loss value (IPIL) calculations.

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Document Details

Document Type
Technical Report
Publication Date
Dec 09, 2016
Accession Number
AD1031428

Entities

People

  • Devyn Gentzyel
  • Joseph T. Mcentire
  • Michael Chen
  • Miles Garwood

Organizations

  • United States Army Aeromedical Research Lab

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Controlled Environment
  • Department Of Defense
  • Governments
  • Hearing Protection
  • Impulse Noise
  • Insertion Loss
  • Instructions
  • Materials
  • Measurement
  • Membranes
  • Microphones
  • Shock Tubes
  • Shock Waves
  • Sound Pressure
  • Transducers
  • United States
  • Waves

Fields of Study

  • Physics

Readers

  • Acoustics.
  • Combustion and Flow Dynamics.
  • Rocket Propulsion.

Technology Areas

  • Space
  • Space - Hall-Effect Thruster