The near-neutral atmospheric surface layer: turbulence and non-stationarity

Author:

Metzger M1,McKeon B.J2,Holmes H1

Affiliation:

1. Department of Mechanical Engineering, University of UtahSalt Lake City, UT 84112, USA

2. Graduate Aeronautical Laboratories, California Institute of TechnologyPasadena, CA 91125, USA

Abstract

The neutrally stable atmospheric surface layer is used as a physical model of a very high Reynolds number, canonical turbulent boundary layer. Challenges and limitations with this model are addressed in detail, including the inherent thermal stratification, surface roughness and non-stationarity of the atmosphere. Concurrent hot-wire and sonic anemometry data acquired in Utah's western desert provide insight to Reynolds number trends in the axial velocity statistics and spectra.

Publisher

The Royal Society

Subject

General Physics and Astronomy,General Engineering,General Mathematics

Reference40 articles.

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2. Andreas E. Claffey K. Fairall C. Grachev A. Guest P. Jordan R. & Persson P. 2004 Measurements of the von kármán constant in the atmospheric surface layer—further discussion. In American Meteorological Society 16th Symposium on Boundary Layers and Turbulence Portland ME .

3. Bendat J& Piersol A Random data. 2nd edn. 1986 New York NY:Wiley.

4. Brutsaert W Evaporation into the atmosphere. 1982 Dordrecht The Netherlands:Kluwer Academic Publishers.

5. Bruun H.H Hot-wire anemometry: principles and signal analysis. 1995 Oxford UK:Oxford University Press.

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