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Related Experiment Videos

A modular BLSS simulation model.

J D Rummel1, T Volk

  • 1NASA-Ames Research [correction of Reserch] Center, Moffett Field, CA 94035.

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 1, 1987
PubMed
Summary
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Bioregenerative life support systems (BLSS) need large material reservoirs to buffer material flows and prevent coordination issues. This modular model simulates BLSS dynamics, aiding in design and control strategies for space exploration.

Area of Science:

  • Space exploration
  • Bioregenerative life support systems
  • Ecological engineering

Background:

  • Earth's biosphere relies on large material reservoirs for stable material flow.
  • Bioregenerative life support systems (BLSS) for space require similar buffering to manage material flows.
  • Existing BLSS designs face challenges in processor coordination and system expansion.

Purpose of the Study:

  • To present a modular model for a bioregenerative life support system (BLSS).
  • To investigate BLSS dynamics and buffer effectiveness using the model.
  • To inform BLSS design requirements and control strategies.

Main Methods:

  • Developed a modular BLSS model interfacing processors with material storage reservoirs.
  • Simulated BLSS dynamics under normal and failure conditions (e.g., waste processor, plant failures).

Related Experiment Videos

  • Analyzed transient responses to assess reservoir buffering capacity.

    • Main Results:

    • The modular model effectively simulates BLSS dynamics and component failures.
    • Material storage reservoirs act as principal buffers, minimizing processor coordination issues.
    • Simulations provide insights into system stability and buffer performance.

    Conclusions:

    • A modular BLSS model with reservoir buffering is crucial for stable extraterrestrial life support.
    • The model aids in identifying critical design parameters and control strategies.
    • Future iterations could serve as interactive control aids for operational BLSS.