Вестник Нижегородского университета им. Н.И. Лобачевского. Серия: Социальные науки

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Title of Article

COMPUTER SIMULATION OF CRYOBOT PENETRATION UNDER THE ICE CRUST OF EUROPA

Issue	6
Date	2011

Article type	scientific article	UDC	519.8:536.2+539.3
Pages	205-213	Keywords	cryobot, simulation of melting through the ice layer; finite element method

Authors

Chumachenko Evgeniy NikolaevichMoskovskiy gosudarstvennyy institut elektroniki i matematiki (tekhnicheskiy universitet), Institut kosmicheskikh issledovaniy RAN, Moskva
Dankhem DevidMoskovskiy gosudarstvennyy institut elektroniki i matematiki (tekhnicheskiy universitet)
Nazirov Ravil RavilevichMoskovskiy gosudarstvennyy institut elektroniki i matematiki (tekhnicheskiy universitet), Institut kosmicheskikh issledovaniy RAN, Moskva
Kulagin Vladimir PetrovichMoskovskiy gosudarstvennyy institut elektroniki i matematiki (tekhnicheskiy universitet)
Logashina Irina ValentinovnaMoskovskiy gosudarstvennyy institut elektroniki i matematiki (tekhnicheskiy universitet)
Erokhina Olga SergeevnaInstitut kosmicheskikh issledovaniy RAN, Moskva

Abstract

Possible difficulties arising in designing cryobots are considered. Some problems of passing through thick ice layers and the efficiency of cryobots to study ice surface of Europa are discussed. An overview of previous works concerning creation of melting probes to study terrestrial and planetary ice as well as alternative technologies for subglacial exploration is given. The primary objective of this article is to study the influence of the shape of the cryobot's melting tip and the temperature regime on the speed at which the cryobot will melt its way through the ice layer. A simulation model for the melting tip movement has been developed on the basis of elastoplastic and solid water [1] theories. Based on this model, the calculations have been performed for different tip shapes. For economic reasons (concerning penetration speed and energy consumption), the most optimal tip configuration has been chosen and the analysis of influence of various operating temperatures has been carried out for this configuration.

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