A procedure for calibrating the spinning ultrasonic wind sensors

Franchini Longhi, Sebastian Nicolas and Sorribes Palmer, Felix and Ghaemi-nasab,, M. and Davari, S. (2017). A procedure for calibrating the spinning ultrasonic wind sensors. "Measurement", v. 114 ; pp. 365-371. ISSN 0263-2241. https://doi.org/10.1016/j.measurement.2017.09.050.


Title: A procedure for calibrating the spinning ultrasonic wind sensors
  • Franchini Longhi, Sebastian Nicolas
  • Sorribes Palmer, Felix
  • Ghaemi-nasab,, M.
  • Davari, S.
Item Type: Article
Título de Revista/Publicación: Measurement
Date: 2017
ISSN: 0263-2241
Volume: 114
Freetext Keywords: Spinner ultrasonic anemometer; Calibration process; Measurement uncertainties; Wind-tunnel tests
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Aeronaves y Vehículos Espaciales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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The accuracy of wind speed and direction measurements with spinning ultrasonic wind sensors is important than ever in today ? s wind industry in which, they are usually installed on the hub of the wind turbines to measure the wind speed and direction for optimized power. In this paper, extensive wind-tunnel tests have been performed to calibrate the wind speed and direction measured by a spinning single-axis ultrasonic anemometer for both static and spinning conditions. This has been carried out with static measures at various stationary angles of trans- ducers signal path with wind direction, and with dynamic measures in which the anemometer is rotating with various rotational speeds. The velocity measured by ultrasonic anemometer in static tests is calibrated with pitot- tube data, and the interpolation of obtained calibration coe ffi cients is used to correct the ultrasonic velocity measured in dynamic tests. It is observed that the calibrated ultrasonic wind speed measurements in dynamic tests are in a good agreement with the reference velocity. According to the results, the ultrasonic velocity measurements in both static and dynamic tests are a ff ected by the transducers head distortions, and the shifting in acoustic pulse trajectory due to the rotational motion does not a ff ect the anemometer measurements. The uncertainty of the calibration process for the spinning tests was found to be about 0.3%

Funding Projects

Government of SpainENE2009-10670UnspecifiedUnspecifiedUnspecified

More information

Item ID: 50092
DC Identifier: http://oa.upm.es/50092/
OAI Identifier: oai:oa.upm.es:50092
DOI: 10.1016/j.measurement.2017.09.050
Official URL: https://www.sciencedirect.com/science/article/pii/S026322411730622X
Deposited by: Memoria Investigacion
Deposited on: 01 Aug 2018 08:12
Last Modified: 01 Feb 2019 23:30
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