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Development of instruments for the investigation of extraterrestrial ice layers

Kaufmann, Erika and Kömle, N.I. and Engelhardt, Marc and Romstedt, J. (2007) Development of instruments for the investigation of extraterrestrial ice layers. In: Geophysical Research Abstracts. European Geosciences Union 2007, 2007-04-15 - 2007-04-19, Vienna, Austria.

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For the investigation of terrestrial ice layers different kinds of penetration devices exist. Examples are drills, hammering devices (moles) and melting probes. With the development of planetary lander missions the availability of suitable instruments for subsurface investigations of planetary ice layers becomes increasingly important. In particular the polar layers of the Mars polar caps and the surface of the Jovian satellite Europa have been proposed in the recent past as interesting targets for subsurface ice investigations. The permanent ice caps on Mars may contain key information for the understanding of the recent geological history and the water exchange between the atmosphere and the surface. Europa is particularly interesting for exobiologists, since primitive forms of life may exist in the supposed subsurface ocean, which might also be frozen into the near-surface ice. Recently at the Space Research Institute in Graz a new study was initiated in the frame of an ESA contract to develop a "melting probe" suitable for the use on bodies with low surface pressure. In this contribution we introduce the thermal and mechanical design of a first prototype and report on the results of ice penetration tests under cryovacuum conditions as well as the first results of thermal modelling.

Item URL in elib:https://elib.dlr.de/47508/
Document Type:Conference or Workshop Item (Speech)
Title:Development of instruments for the investigation of extraterrestrial ice layers
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Kaufmann, ErikaSpace Research Institute, Graz, AustriaUNSPECIFIEDUNSPECIFIED
Kömle, N.I.Space Research Institute, Graz, AustriaUNSPECIFIEDUNSPECIFIED
Romstedt, J.ESA, ESTEC, Noordwijk, NetherlandsUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Geophysical Research Abstracts
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iDORCID Put Code
Keywords:extraterrestrial, melting probe, Europa
Event Title:European Geosciences Union 2007
Event Location:Vienna, Austria
Event Type:international Conference
Event Dates:2007-04-15 - 2007-04-19
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignment
DLR - Program:no assignment
DLR - Research theme (Project):no assignment
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space > Institute of Space Simulation > User center for space experiments (MUSC)(only for search)
Deposited By: Engelhardt, Marc
Deposited On:05 Mar 2007
Last Modified:15 Jan 2010 00:24

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