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Development of prototype full-automatic environmental control system for nitrox saturation diving.

M Okamoto1, H Yamagichi

  • 1JAMSTEC, 2-15, Natsushima Yokosuka 237, Japan. okamotom@jamstec.go.jp

Life Support & Biosphere Science : International Journal of Earth Space
|March 6, 2002
PubMed
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A new automated hyperbaric environmental control system (HECS) for saturation diving habitats was developed. Key innovations include regenerative carbon dioxide removal and a hyperbaric-compatible blower system.

Area of Science:

  • Marine Engineering
  • Environmental Control Systems
  • Hyperbaric Medicine

Background:

  • Saturation diving requires precise control of hyperbaric environments.
  • Existing systems may lack full automation or require complex maintenance.
  • Long-term underwater habitats necessitate reliable life support systems.

Purpose of the Study:

  • To develop and evaluate a fully automated hyperbaric environmental control system (HECS).
  • To enable autonomous operation within a nitrox saturation diving habitat.
  • To integrate key technologies for efficient environmental management.

Main Methods:

  • Development of a regenerative carbon dioxide removal method using molecular sieves.
  • Design of a hyperbaric-compatible AC 100 V electric powered blower system.

Related Experiment Videos

  • Integration and testing of a prototype HECS in a diving simulator.

    • Main Results:

    • Successful automation of adsorbent and regeneration cycles for carbon dioxide removal.
    • Development of a functional AC 100 V blower system for hyperbaric use.
    • Demonstration of a prototype HECS within a controlled diving environment.

    Conclusions:

    • The developed HECS demonstrates feasibility for automated environmental control in saturation diving.
    • Key technologies enable reliable and efficient operation under hyperbaric conditions.
    • Further evaluation in a diving simulator validates the system's potential for habitat use.