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Related Experiment Videos

Electronic nose for space program applications.

Rebecca C Young1, William J Buttner, Bruce R Linnell

  • 1Applied Chemistry Laboratory, NASA Kennedy Space Center, Orlando, FL 32899, USA. rebecca.c.young@nasa.gov

Sensors and Actuators. B, Chemical
|October 31, 2003
PubMed
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Electronic noses (E-noses) effectively detect space cabin air contaminants and hypergolic fuels. NASA

Area of Science:

  • Spacecraft environmental monitoring
  • Chemical sensing technology
  • Astronaut health and safety

Background:

  • Monitoring air contaminants is crucial for astronaut health and equipment integrity on space missions.
  • Key applications include detecting organic compounds, hypergolic propellants, and fire signatures.

Purpose of the Study:

  • To assess the sensitivity and identification capabilities of electronic noses (E-noses) for space applications.
  • To evaluate E-nose performance for monitoring organic contaminants, hypergolic propellants, and fire-related vapors.

Main Methods:

  • Testing commercial and developing E-nose models for sensitivity to specific space-related vapors.
  • Evaluating vapor identification accuracy using vendor-supplied and in-house developed software.

Related Experiment Videos

  • Conducting tests on E-nose performance under simulated space conditions.

    • Main Results:

    • Two E-noses demonstrated sufficient sensitivity for hypergolic fuels; several commercial E-noses detected common organic vapors.
    • Vendor software achieved 70-90% accuracy in vapor identification.
    • In-house software enhancements improved identification rates to 90-100%.

    Conclusions:

    • E-noses show significant potential for monitoring critical air contaminants in spacecraft.
    • Software development is key to maximizing E-nose accuracy for space applications.
    • Further enhancements are underway to optimize E-nose performance for space missions.