Design of a Jettison System For Space Transit Vehicles



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51st International Conference on Environmental Systems


Many options to re-use waste are currently being developed by NASA. These include combustion, compaction, torrefaction, and converting waste materials to an easily stored base polymer for future use. Human exploration missions require large amounts of supplies such as food, clothing and spare parts. A many-month journey to Mars will still result in the generation of a substantial amount of problematic waste products. It is thought that this waste must be discarded to enable a Mars transit mission. The most cost-effective, reliable, and safest method to address this problem may be to simply jettison these materials from the spacecraft. The ability to jettison requires a multi-component integrated system design. Major components include a launcher, airlocks, trash bags, and tracking system. Depending upon mission requirements, a jettison dedicated airlock may be necessary. In other cases, the crew airlock might be all that is needed. This paper will discuss these design issues and give guidance to a pathway forward.


Steve Sepka, NASA, US
Michael Ewert, NASA, US
Jeff Lee, NASA, US
Thomas Chen, NASA - Jacobs Technology, Inc., US
Chandrakanth Venigalla, University of Colorado, US
ICES500: Life Science/Life Support Research Technologies
The 51st International Conference on Environmental Systems was held in Saint Paul, Minnesota, US, on 10 July 2022 through 14 July 2022.


jettison, launcher, waste, airlock