Archivio Istituzionale della RicercaThe Dual-Rasp sampling system has been developed for the unique sampling environment of a lander mission to the surface of Saturn's moon Enceladus. Plume material from the subsurface ocean that has fallen to the surface is desired resulting in an objective to sample the topmost layer of icy material. The low gravity and potential large range of surface properties are challenges for the sampling system. The Dual-Rasp sampling system has two counter-rotating rasp cutters with teeth that remove material that is thrown up between the cutters. Two prototypes of the Dual-Rasp sampling system were built and tested, one with a carousel and one that uses pneumatics for sample transfer.
The Dual-Rasp Sampling System for an Enceladus Lander / Backes, Paul; Moreland, Scott; Badescu, Mircea; Riccobono, Dario; Brinkman, Alex; Choukroun, Mathieu; Molaro, Jamie; Aggerwal, Rajan; Newbold, Timothy; Ahmad, Adeel; Ubellacker, Samuel. - ELETTRONICO. - (2020). (Intervento presentato al convegno IEEE Aerospace Conference 2020 tenutosi a Big Sky (Montana, USA) nel 7-14 Marzo 2020) [10.1109/AERO47225.2020.9172462].
The Dual-Rasp Sampling System for an Enceladus Lander
Riccobono, Dario;
2020
Abstract
The Dual-Rasp sampling system has been developed for the unique sampling environment of a lander mission to the surface of Saturn's moon Enceladus. Plume material from the subsurface ocean that has fallen to the surface is desired resulting in an objective to sample the topmost layer of icy material. The low gravity and potential large range of surface properties are challenges for the sampling system. The Dual-Rasp sampling system has two counter-rotating rasp cutters with teeth that remove material that is thrown up between the cutters. Two prototypes of the Dual-Rasp sampling system were built and tested, one with a carousel and one that uses pneumatics for sample transfer.
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https://hdl.handle.net/11583/2847859