31st Annual Meeting of the DPS, October 1999
Session 8. Science and Technology of Future Space Missions Posters
Poster Group I, Monday-Wednesday, October 11, 1999, , Kursaal Center

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[8.17] Direct Temperature Measurements during Netlander Descent on Mars

G. Colombatti, F. Angrilli (CISAS "G.Colombo" University of Padova), F. Ferri (Space Science Dept. ESTEC/ESA), A. Francesconi (CISAS "G.Colombo" University of Padova), M. Fulchignoni (Universite Paris VII/ DESPA Obs. Paris Meudon), P.F. Lion Stoppato (CISAS "G.Colombo" University of Padova), B. Saggin (Politechnic of Milan,)

A new design for a platinum thermoresistance temperature sensor has been developed and tested in Earth's atmosphere and stratosphere. It will be one of the sensors equipping the scientific package ATMIS (Atmospheric and Meteorology Instrument System), which will be devoted to the measurement of the meteorological parameters during both the entry/descent phase and the surface phase, aboard the Netlanders. In particular vertical profiles of temperature, density and pressure will allow the resolution of vertical gradients to investigate the atmospheric structure and dynamics. In view of the future missions to Mars, Netlander represents a unique chance to increase significantly the climate record both in time and in space, doubling the current knowledge of the atmospheric parameters. Furthermore is the only opportunity to conduct direct measurement of temperature and pressure (outside the boundary layer of the airbags used for the landing). The temperature sensor proposed is a platinum thermoresistance, enhancement of HASI TEM (Cassini/Huygens Mission); a substantial improvement of the performances, i.e. a faster dynamic response, has been obtained. Two different prototypes of new design sensor have been built, laboratory test are proceeding and the second one has been already flown aboard a stratospheric balloon.

The author(s) of this abstract have provided an email address for comments about the abstract: giacomo@sirio.dim.unipd.it

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