A radionuclide counting technique for measuring wind velocity

Details A radionuclide counting technique for measuring wind velocity A radionuclide counting technique for measuring wind velocity

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8212419s&link_type=abstract

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Mathematics

Logic

Drag Force Anemometers, Radioactive Isotopes, Wind Velocity Measurement, Bismuth Isotopes, Geiger Counters, Mars Atmosphere, Radiation Sources

Scientific paper

A technique for measuring wind velocities of meteorological interest is described. It is based on inverse-square-law variation of the counting rates as the radioactive source-to-counter distance is changed by wind drag on the source ball. Results of a feasibility study using a weak bismuth 207 radiation source and three Geiger-Muller radiation counters are reported. The use of the technique is not restricted to Martian or Mars-like environments. A description of the apparatus, typical results, and frequency response characteristics are included. A discussion of a double-pendulum arrangement is presented. Measurements reported herein indicate that the proposed technique may be suitable for measuring wind speeds up to 100 m/sec, which are either steady or whose rates of fluctuation are less than 1 kHz.

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