NASA NTRS · 20120004170
High Temperature, Wireless Seismometer Sensor for Venus
Abstract
Space agency mission plans state the need to measure the seismic activity on Venus. Because of the high temperature on Venus (462? C average surface temperature) and the difficulty in placing and wiring multiple sensors using robots, a high temperature, wireless sensor using a wide bandgap semiconductor is an attractive option. This paper presents the description and proof of concept measurements of a high temperature, wireless seismometer sensor for Venus. A variation in inductance of a coil caused by the movement of an aluminum probe held in the coil and attached to a balanced leaf-spring seismometer causes a variation of 700 Hz in the transmitted signal from the oscillator/sensor system at 426? C. This result indicates that the concept may be used on Venus.
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Ponchak, George E., Scardelletti, Maximilian C., Taylor, Brandt, Beard, Steve, Meredith, Roger D., Beheim, Glenn M., Hunter Gary W., Kiefer, Walter S.. 2012-01-15. High Temperature, Wireless Seismometer Sensor for Venus. https://ntrs.nasa.gov/citations/20120004170
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