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Design details of the HP3 mole onboard the InSight mission

Krömer, Olaf and Scharringhausen, Marco and Fittock, Mark and Tsakyridis, Georgios and Wippermann, Torben and Witte, Lars and Grott, Matthias and Knollenberg, Jörg and Spohn, Tilman and Krause, Christian and Hudson, Troy L. and Lichtenheldt, Roy and Grygorczuk, J and Wisniewski, Lukasz (2019) Design details of the HP3 mole onboard the InSight mission. Acta Astronautica, 164, pp. 152-167. Elsevier. DOI: 10.1016/j.actaastro.2019.06.031 ISBN 0094-5765 ISSN 0094-5765

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Official URL: http://www.sciencedirect.com/science/article/pii/S0094576518321295

Abstract

The HP³ Mole system is part of the HP³ payload on the InSight discovery class mission, which will place a geophysical lander onto the surface of Mars in 2018. DLR's HP³ - instrument (Heat Flow and Physical Properties Package) will measure Mars' interior heat flux and thermal gradient down to a depth of 5 m and thus penetrates deeper below the Martian surface than any other instrument before. Being the locomotion system of the instrument, the HP³ Mole acts as a self-impelling nail in order to accomplish this goal. The inner hammering mechanism is spring driven and periodically loaded by a cylindrical cam mechanism. The innovative impact driven locomotion principle enables a minimum in required energy and mass, but leads to complex system behaviour and dependence of the inner mechanism dynamics on the outer force conditions exerted by the soil. The scope of this paper is to provide an overview of the Mole, its role in the mission and payload, as well as to give a brief overview about its subsystems, its interfaces and working principle.

Item URL in elib:https://elib.dlr.de/133032/
Document Type:Article
Title:Design details of the HP3 mole onboard the InSight mission
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Krömer, OlafOlaf.Kroemer (at) dlr.deUNSPECIFIED
Scharringhausen, MarcoMarco.Scharringhausen (at) dlr.dehttps://orcid.org/0000-0001-5308-5202
Fittock, Markmark.fittock (at) gmail.comUNSPECIFIED
Tsakyridis, GeorgiosGeorgios.Tsakyridis (at) dlr.deUNSPECIFIED
Wippermann, TorbenTorben.Wippermann (at) dlr.dehttps://orcid.org/0000-0002-0354-6557
Witte, LarsLars.Witte (at) dlr.dehttps://orcid.org/0000-0002-3921-2524
Grott, MatthiasMatthias.Grott (at) dlr.dehttps://orcid.org/0000-0002-8613-7096
Knollenberg, JörgJoerg.Knollenberg (at) dlr.dehttps://orcid.org/0000-0003-1249-8582
Spohn, TilmanTilman.Spohn (at) dlr.dehttps://orcid.org/0000-0002-9322-6660
Krause, ChristianChristian.Krause (at) dlr.deUNSPECIFIED
Hudson, Troy L.Troy.L.Hudson (at) jpl.nasa.govhttps://orcid.org/0000-0002-5879-6633
Lichtenheldt, RoyRoy.Lichtenheldt (at) dlr.dehttps://orcid.org/0000-0002-2539-4910
Grygorczuk, Jjurekgry (at) cbk.waw.plUNSPECIFIED
Wisniewski, Lukaszlwisniewski (at) astronika.plUNSPECIFIED
Date:August 2019
Journal or Publication Title:Acta Astronautica
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:164
DOI :10.1016/j.actaastro.2019.06.031
Page Range:pp. 152-167
Publisher:Elsevier
ISSN:0094-5765
ISBN:0094-5765
Status:Published
Keywords:Subrufface Penetration, Mars, Mole, Geophysics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Vorhaben Exploration des Sonnensystems
Location: Berlin-Adlershof , Bremen , Köln-Porz , Oberpfaffenhofen
Institutes and Institutions:Institute of Space Systems > Land and Exploration Technology
Institute of Space Systems > Mechanic and Thermal Systems
Space Operations and Astronaut Training > User center for space experiments (MUSC)
Institute of System Dynamics and Control > Space System Dynamics
Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Asteroids and Comets
Deposited By: Scharringhausen, Marco
Deposited On:19 Dec 2019 13:02
Last Modified:20 Jan 2020 14:28

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