Sustainable Satellite Design Activities in the ESTEC CDF - Congrex

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De-orbiting study results – A modular design was proposed – Number of motors depending on satellite mass & orbit – The design has been compared to the option of increasing the satellite’s propellant tanks (used for other purposes) in order to carry enough propellant to de-orbit – It was found that in all cases the de-orbiting package was heavier than simply adding more propellant – This would imply that satellite designs would typically use the latter option i.e. adding more propellant. – Still, the de-orbiting package offers some advantages: – it offers a simple design (‘add-on package’) minimizing impact on programmatics and cost, and allowing for a smaller on-board propulsion system (used for attitude control, for example) – Furthermore the system could be attached to a launcher’s upperstage in order to de-orbit it. – In CDF studies, the Code of Conduct for Space Debris Mitigation is always followed ESA CDF sustainable activities | Robin Biesbroek | SECESA2010 | 13/10/2010 | D/TEC | Slide 18 ESA UNCLASSIFIED – For Official Use
Team behaviour – The subject of sustainability motivated the team – Made ‘aware’ of the situation – Team members continued in this trend (e.g. videoconferencing) – However, the team found it difficult to understand the C2C methodology – Except for material selection; but typically CDF team members do not have that knowledge (stays with supplier) – LCA approach however was easily adapted – More in line with engineering activities – Need to think ‘out of the box’, which is difficult for many – C2C expert: ‘Use Ariane 5 main stage as ocean reef after splash-down, by applying special coatings’; a simple idea that no-one thought of – C2C expert: ‘Space exploration is good because it allows human to live on other planets’; an idea that is a maybe bit too much out of the box.. – A group of C2C experts should be integrated into the team for thoughts beyond current procedures & standards ESA CDF sustainable activities | Robin Biesbroek | SECESA2010 | 13/10/2010 | D/TEC | Slide 19 ESA UNCLASSIFIED – For Official Use – Like how James Cameron is on the NASA Advisory Council board
Page 1 and 2: Sustainable Satellite Design Activi
Page 3 and 4: Introduction - Several activities w
Page 5 and 6: Introduction to C2C and LCA - Cradl
Page 7 and 8: ECOSAT C2C aspects - After the work
Page 9 and 10: 2a. Design for disassembly - Disass
Page 11 and 12: 2c. Design for recycle - On-orbit s
Page 13 and 14: ECOSAT C2C aspects: conclusions - U
Page 15 and 16: ECOSAT sub-system trade-offs - Mate
Page 17: De-orbiting aspects using solids -
Page 21: Conclusions and recommendations - T

Sustainable Satellite Design Activities in the ESTEC CDF - Congrex

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