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SPSTĀ 519. Closed Ecological Systems for Life Support. 3 Credits.

Closed ecological systems have been suggested during the early decades of space exploration for extended life support in space operations. In reality, this principle of long-term life support mimics global biogeochemical cycles supporting life on Earth. The course covers the multiple interactions of human/bioregenerative life support based on physical/chemical regeneration (hybrid) life support environments. Extensive research in this area during more than five decades showed that material turnover in small closed environments becomes unstable compared to a planetary environment. Specific attention is paid to the limits of stability for closed material cycles functioning during long-term remote confined missions; and the importance of the human factor as a target link, main sensor, and main integrator and control element for the system providing significant self-sustainability under proper motivation. Advanced scenarios for space life support based on ecological and in situ resource utilization approaches are discussed. On demand.

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