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The U.S. Navy decompression computer.

F K Butler1, D Southerland

  • 1Naval Special Warfare Command, Detachment Pensacola and Navy Experimental Diving Unit, Panama City Beach, Florida, USA.

Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc
|August 3, 2002
PubMed
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The U.S. Navy approved the Cochran NAVY decompression computer (DC), featuring the VVAL 18 algorithm, for Naval Special Warfare diving. This marks the first diver-worn DC approval, enhancing diving safety and operations.

Area of Science:

  • Diving Medicine
  • Naval Operations
  • Biomedical Engineering

Background:

  • The U.S. Navy's historical reliance on standard decompression tables for diving operations.
  • The need for advanced, diver-worn decompression computers to enhance safety and efficiency.
  • Previous limitations in diver-worn decompression technology within naval diving.

Purpose of the Study:

  • To review the development and testing of the Cochran NAVY decompression computer (DC).
  • To detail the VVAL 18 decompression algorithm and its comparison to existing Navy standards.
  • To outline initial implementation guidelines and future research for Navy DCs.

Main Methods:

  • Review of the development process for the Cochran NAVY DC hardware and software.
  • Analysis of the VVAL 18 decompression algorithm, including its theoretical basis.

Related Experiment Videos

  • Comparative analysis of VVAL 18 conservatism against the U.S. Navy Standard Air Tables.

    • Main Results:

    • The Cochran NAVY DC, utilizing the VVAL 18 algorithm, received U.S. Navy approval for Naval Special Warfare diving.
    • This approval signifies the first instance of a diver-worn DC being sanctioned for U.S. Navy use.
    • The VVAL 18 algorithm demonstrates specific differences in conservatism compared to the U.S. Navy Standard Air Tables.

    Conclusions:

    • The approved Cochran NAVY DC represents a significant advancement in diver safety and operational capability for the U.S. Navy.
    • The VVAL 18 algorithm provides a validated decompression strategy for specialized naval diving.
    • Established guidelines and ongoing research will further refine the use of decompression computers in U.S. Navy diving practices.