Metabolic O₂ / CO₂ / heat

Crew metabolic load by activity (OCHMO-class rates): O₂, CO₂, water, heat: ECLSS sizing for ISS / Dragon / Soyuz training.

SIDUS educational calculator. Category crew. Tags: astronaut, crew, Dragon, ECLSS, ISS, Soyuz. Pure SI. Not flight software.

Formula

ṁ = ṅ · N_crew · t · O₂, CO₂, H₂O, Q̇

ECLSS metabolic sizing

Primary sources

• NASA OCHMO CO₂ / metabolic technical briefs (NASA OCHMO): Crew metabolic loads and CO₂ exposure context for ECLSS educational models.
• NASA-STD-3001 (Human Spaceflight standards overview) (NASA): Human-system standards context (ppO₂ / atmosphere). SIDUS flags are educational. They are not flight-rule substitutes.
• ISS ECLSS overview literature (NASA ISS program (public summaries)): Public ISS life-support system context for educational O₂/CO₂/thermal models: not a flight-rule substitute.

How do AI agents use this tool?

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.