Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufm.p52a0575w&link_type=abstract
American Geophysical Union, Fall Meeting 2001, abstract #P52A-0575
Physics
3346 Planetary Meteorology (5445, 5739), 5445 Meteorology (3346), 5494 Instruments And Techniques
Scientific paper
A hot-film anemometer has been developed for Beagle2, a British Mars lander to be launched in 2003. The sensor will measure wind speed (up to 30 m/s) and horizontal component of wind direction. The position of the wind sensor position at the end of Beagle2's motorised arm allows several new possibilities for wind measurement on Mars that were unavailable in previous missions. The height of the wind sensor can be adjusted to any height between ~20 cm and ~110 cm above the lander body, or can be moved laterally at a given height to study the effects of lander interference. Alternatively, the wind sensor may be positioned with its axis horizontal, thus allowing measurements of vertical wind speed. The wind sensor was calibrated in a new wind tunnel facility, in which Martian surface wind conditions are simulated. Wind speeds of 0.5 - 60 m/s can be created in a CO2 or air atmosphere at pressures of 5 - 10 mbar and temperatures of 200 - 300 K. The facility can also be used in its current configuration to simulate stratospheric winds on Earth. >http://www.atm.ox.ac.uk/user/wilson/matacf.html
Calcutt Simon B.
Jones T. V.
Wilson Colin Frank
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