Estimating Noise Levels within Dry Diving Helmets Due to External Sources

Abstract

Data obtained from the Naval Coastal Systems Center was analyzed to determine what sound levels exist within current U.S. navy diving helmets when divers are exposed to intense waterborne noise. Other research was reviewed to establish similar relationships for other diving systems that are of interest to the U.S. Navy. The results indicate that features of helmet construction (materials and shape) affect the transfer of sound from water to within helmets. A single medically conservative transfer function was identified that may be applied on an interim basis to current U.S. Navy diving helmets. Additional research that needs to be accomplished to develop more adequate transfer characteristics is outlined.

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Document Details

Document Type
Technical Report
Publication Date
Sep 06, 1988
Accession Number
ADA205018

Entities

People

  • Paul F. Smith

Organizations

  • Naval Submarine Medical Research Laboratory

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Abstracts
  • Biomedical Research
  • Breathing Gases
  • Classification
  • Compressed Air
  • Frequency
  • Gases
  • Impedance
  • Measurement
  • Navy
  • Noise
  • Security
  • Standards
  • Submarine Bases
  • Submarines
  • Water
  • Waterborne

Readers

  • Materials Science
  • Military Engineering.
  • Systems Analysis and Design