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Innovative Payload Design for Regolith Collection on Celestial Bodies

This presentation outlines the general payload requirements, instrument needs, regolith collection methods, orientation capabilities, thermal dynamics considerations, and future tasks related to a mission involving regolith extraction on celestial bodies. The presentation covers specific technical specifications such as survival during launch and impact, measurements required for regolith collection, orientation range, and thermal dynamics parameters. Attention is also given to the selection of components and suppliers for the mission's success. Future work includes finalizing drill type, tilt meter, thermocouples, and verifying operational parameters.

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Innovative Payload Design for Regolith Collection on Celestial Bodies

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  1. Payload Regolith Collection, Orientation and Thermal Dynamics Marc Gallant

  2. Presentation Outline • General Payload Requirements • Instrument Requirements • Regolith Collection • Orientation • Thermal Dynamics • Future Work Marc Gallant

  3. General Payload Requirements • “Shall survive launch and impact…” • Vibration • 5,000 to 16,000 g’s [TBC] • “Shall conform to micro-penetrator…” • Mass: 2.5 kg [TBC] • Volume : 1500 cm3 [TBC] • Power: 5 W [TBC] Marc Gallant

  4. Instrument Requirements • “Shall make two types of measurements…” • Collect regolith • “Shall measure depth of penetration…” • Measure orientation • “Shall report upon thermal dynamics…” • Measure temperature changes Marc Gallant

  5. RegolithExtractionBiomimetic vs. Rotary Drill Drill stem Bevel gear Auger Pinion gear 105 mm Sample chamber Drill motor Pin and crank Drill bit Ref: Gao et al. 39 mm Marc Gallant

  6. RegolithExtraction Marc Gallant

  7. RegolithExtraction Marc Gallant

  8. Orientation“Shall have a range of ±30° or greater” • Spectron™ L Series tilt meter • Range ±45° • Qualified for operation @ -54 °C • Supplier contacted (power, loading) Ref: www.spectronsensors.com Marc Gallant

  9. Thermal Dynamics • “…range of 300 to 400 K [TBC]” • “…time constant < 0.1 s [TBC]” • Combination of requirements difficult to accomplish • No suitable COTS components found • Betatherm™ supplies space-rated components • Contacted about custom thermocouples Marc Gallant

  10. Future Work • Final selection of… • Drill type • Tilt meter • Thermocouples • Verify… • Mass, volume and power • Operational order and duration • Layout Marc Gallant

  11. Questions?

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