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Related Experiment Videos

Lunar base CELSS design and analysis.

R J Sirko1, G C Smith, L A Hamlin

  • 1McDonnell Douglas Aerospace, Huntington Beach, CA, USA.

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|November 1, 1994
PubMed
Summary
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This study models a hybrid biological-physical/chemical life support system for lunar outposts, detailing bioreactor design for efficient resource recycling and increased plant yields.

Area of Science:

  • Astrobiology and Space Life Support Systems
  • Bioregenerative Life Support Systems
  • Environmental Engineering

Background:

  • Lunar outposts require robust life support systems.
  • Current systems often rely heavily on physical/chemical processes.
  • Integrating biological components offers sustainable solutions.

Purpose of the Study:

  • To conceptually develop a hybrid biological-physical/chemical life support system model for a lunar outpost.
  • To analyze loop closure and mass flow characteristics of key bioreactors.
  • To assess the suitability of specific bioreactor designs for space applications.

Main Methods:

  • Conceptual modeling of a hybrid life support system.
  • Analysis of mass flow for an inedible biomass enzyme reactor and an activated sludge bioreactor.

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  • Computer modeling to evaluate bioreactor performance and system integration.

    • Main Results:

    • The cellulose reactor shows potential for increasing the plant harvest index.
    • Activated sludge bioreactors are suitable for small, continuous-flow, steady-state systems.
    • System analysis and component sizing were performed for bioreactors and supporting systems.

    Conclusions:

    • A hybrid biological-physical/chemical approach is feasible for lunar life support.
    • Specific bioreactor designs can enhance system efficiency and sustainability.
    • Further development and integration of these components are crucial for future lunar missions.