ECLS Technology Development Programme-Results and Further Activities

In support of the Columbus ECLSS, a technology development program has been performed on four items:

• Regenerative CO₂ removal
• Trace Gas Contamination Control
• Trace Gas Contamination Monitoring
• Low Noise Variable Speed Fan

This paper describes the contents and results of the concluding Subsystem Level Tests and consecutive programme extensions which concentrated on:

• performance of the Contamination Monitoring Unit
• noise generation of the Variable Speed Fan
• lifetime tests of the CO₂ removal solid amine
• closed water loop operation of a solid amine CO₂ removal unit