VALIDATION OF ATMOSPHERIC BOUNDARY LAYER TURBULENCE MODEL BY ON-SITE MEASUREMENTS

Abstract

Modeling atmosperic boundary layer with standard linear models does not sufficiently reproduce wind conditions in complex terrain, especially on leeward sides of terrain slopes. More complex models, based on Reynolds averaged Navier-Stokes equations and two-equation k-e turbulence models for neutral conditions in atmospheric boundary layer, written in general curvilinear non-orthogonal co-ordinate system, have been evaluated. In order to quantify the differences and level of accuracy of different turbulence models, investigation has been performed using standard k-e model without additional production terms and k-e turbulence models with modified set of model coefficients. The sets of full conservation equations are numerically solved by computational fluid dynamics technique. Numerical calculations of turbulence models are compared to the reference experimental data of Askervein hill measurements.

Dates

  • Submission Date2009-01-19
  • Revision Date2009-01-22
  • Acceptance Date2009-05-02

DOI Reference

10.2298/TSCI1001199S

References

  1. Launder, B. E., On the Effects of a Gravitational Field on the Turbulent Transport of a Heat and Momentum, Journal of Fluid Mechanics, 3 (1975), pp. 569-581
  2. Detering, H. W., Etling, D., Atmospheric Boundary Layer, Boundary Layer Meteorology, 33 (1985), pp. 113-133
  3. Lumley, J. L., Panofsky, H. A., The Structure of Atmospheric Turbulence, Interscience Monographs and Text in Physics and Astronomy (Ed. R. E., Marshak), Vol. XII, John Wiley & Sons Inc., New York, USA, 1964
  4. Leroy, J. Gravdahal, A. R., Wind Field Simulations at Askervein Hill, Technical Report: VECTOR_9910_100, VECTOR AS, Tonsberg, Norway, 1999
  5. Taylor, P. A., Teunissen, H. W., The Askervein Hill Project: Overview and Background Data, Boundary Layer Meteorology, 39 (1987), pp. 15-39
  6. Zannetti, P., Air Pollution Modeling: Theories, Computational Methods and Available Software, Van Nostrand Reinhold, 1990
  7. Panofsky, H. A., Tennekes, H., The Characteristics of Turbulent Velocity Components in the Surface Layer under Convective Conditions, Boundary Layer Meteorology, 11 (1977), pp. 355-361
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