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Review of Scientific Instruments / Volume 81 / Issue 7 / NOTES

Rev. Sci. Instrum. 81, 076104 (2010); http://dx.doi.org/10.1063/1.3465560 (3 pages)

Note: A thermally stable tension meter for atmospheric soundings using kites

K. T. Walesby and R. G. Harrison

Department of Meteorology, University of Reading, P.O. Box 243, Earley Gate, Reading, Berkshire RG6 6BB, United Kingdom

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(Received 25 March 2010; accepted 28 June 2010; published online 21 July 2010)

Kites offer considerable potential as wind speed sensors—a role distinct from their traditional use as instrument-carrying platforms. In the sensor role, wind speed is measured by kite-line tension. A kite tether line tension meter is described here, using strain gauges mounted on an aluminum ring in a Wheatstone bridge electronic circuit. It exhibits a linear response to tension (19.5 mV N−1) with good thermal stability (mean drift of −0.18 N °C−1 over 5–45 °C temperature range) and a rapid time response (0.2 s or better). Field comparisons of tether line tension for a Rokkaku kite with a fixed tower sonic anemometer show an approximately linear tension-wind speed relationship over the range 1–6 ms−1.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

atmospheric measuring apparatus, sensors, wind

PACS

  • 93.85.-q

    Instruments and techniques for geophysical research: Exploration geophysics

  • 07.07.Df

    Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing

  • 92.60.Gn

    Winds and their effects

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3465560

PUBLICATION DATA

ISSN

0034-6748 (print)  
1089-7623 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    R. G. Harrison and J. R. Knight, Rev. Sci. Instrum. 77, 116105 (2006)RSINAK000077000011116105000001.


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