Influence of the Meteorology Mast on a Cup Anemometer

Author:

Hansen M. O. L.1,Pedersen B. M.1

Affiliation:

1. Department of Fluid Mechanics, Bldg. 404, Technical University of Denmark, DK-2800 Lyngby, Denmark

Abstract

The actuator disc model is applied on lattice-type meteorological masts to estimate the influence of the tower on the accuracy of the measured wind speed. Combining the results with corrections for the boom, on which the anemometer is mounted, good agreement is found for measurements made on the mast at Tjœcereborg. Iso-speed plots are computed to estimate the influence of different solidities. Depending on the distance from the mast and the solidity the influence from a typical mast is normally less than 3%.

Publisher

ASME International

Subject

Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment

Reference8 articles.

1. Cermak J. E. , and HornJ. D., “Tower Shadow Effect,” Journal of Geophysical Research, Vol. 73, No. 6, 1869–1876, March 15, 1968.

2. Gill, G. C., Olsson, L. E., Sela, J., and Suda, M., “Accuracy of Wind Measurements on Towers or Stacks,” Bulletin American Meteorological Society, Vol. 48, No. 9, pp. 665–674, September 1967.

3. Michelsen, J. A., “Basis3D—A Platform for Development of Multiblock PDE Solvers,” Technical Note AFM92-05, Dept. of Fluid Mech. DTU, Denmark, 1992.

4. Patankar, S. V., “Numerical Heat Transfer and Fluid Flow,” Hemisphere, New York, 1980.

5. Pedersen, B. M., Hansen, K. S., O̸ye, S., Brinch, M. and Fabian, O., “Some Experimental Investigations on the Influence of the Mounting Arrangements on the Accuracy of Cup-Anemometers Measurements,” in Proceedings of the EWEC’91 Conf., Elsevier Science Publishers, pp. 782–786, Amsterdam 1991.

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