15th Conference on Boundary Layer and Turbulence

Session 9: Fundamental Studies of Turbulence, including advances in LES and DNS, Laboratory Studies, and Observations

Wednesday, 17 July 2002: 8:30 AM-12:30 PM
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Organizer:  Keith Wilson, U.S. Army Research Lab.
Papers:
  8:30 AM
9.1
Evidence from the Atmospheric Surface Layer that the von Kármán Constant isn't
Edgar L Andreas, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH; and K. J. Claffey, C. W. Fairall, P. S. Guest, R. E. Jordan, and P. O. G. Persson

  8:45 AM
9.2
On Reasons for the Observed Variation of the von Karman Constant in the Atmospheric Surface Layer
Christoph A. Vogel, NOAA/ARL/ATDD, Oak Ridge, TN; and P. Frenzen

Poster PDF (42.5 kB)
  9:00 AM
9.3
Direct Numerical Simulations of Intermittent Turbulence in the Very Stable Ekman Layer
James C. Barnard, PNNL, Richland, WA; and J. J. Riley

Poster PDF (51.8 kB)
  9:15 AM
9.4
First Attempts of an LES-model evaluation by comparison with experimental data gained from acoustic tomography
Sonja Weinbrecht, University of Hannover, Hannover, Germany; and S. Raasch

Poster PDF (227.0 kB)
  9:30 AM
9.5
Modeling unresolved motions in LES of field-scale flows
Fotini Katopodes Chow, Stanford University, Stanford, CA; and R. L. Street

http://www.stanford.edu/~katopod/

Poster PDF (101.0 kB)
  9:45 AM
9.6
Field Measurements of Spatially-Filtered Turbulence in the Atmospheric Surface Layer
Thomas W. Horst, NCAR, Boulder, CO; and J. Kleissl, D. H. Lenschow, C. Meneveau, C. H. Moeng, M. P. Parlange, P. P. Sullivan, and J. C. Weil

  10:00 AM
9.7
Analysis of subfilter-scale fluxes in the atmospheric surface layer
Peter P. Sullivan, NCAR, Boulder, CO; and T. W. Horst, D. H. Lenschow, C. H. Moeng, and J. C. Weil

  10:15 AM
9.8
Turbulent pressure statistics
Natasha L. Miles, Penn State University, University Park, PA; and J. C. Wyngaard and M. J. Otte

Poster PDF (228.6 kB)
  10:30 AM
9.9
LES study on the energy imbalance problem with eddy covariance fluxes for uniformly heated convective boundary layers
Manabu Kanda, Tokyo Institute of Technology, Tokyo, Japan; and M. O. Letzel, T. Watanabe, A. Inagaki, and S. Raasch

Poster PDF (236.5 kB)
  10:45 AM
9.10
A model for the large-scale ramp structures observed in the atmospheric surface layer
K. G. McNaughton, University of Edinburgh, Edinburgh, Scotland; and R. E. Blundell

Poster PDF (738.3 kB)
  11:00 AM
9.11
Aircraft Measurements of Refractive and Clear Air Turbulence: Spectra, Budgets, and the Prediction Problem
Owen R. Coté, Air Force Research Laboratory, Hanscom AFB, MA; and R. J. Dobosy, J. Roadcap, T. L. Crawford, and J. M. Hacker

http://

Poster PDF (449.0 kB)
  11:15 AM
9.12
Preliminary CASES-99 measurements of steep vertical gradients in temperature and turbulence structure using a Tethered Lifting System (TLS)
Ben B. Balsley, CIRES/Univ. of Colorado, Boulder, CO; and R. G. Frehlich, Y. Meillier, and M. L. Jensen

  11:30 AM
9.13
The pressure-correlation term in the TKE budget estimated by the wavelet transform using CASES-99 data
Joan Cuxart, Universitat de les Illes Balears, Palma de Mallorca, Spain; and G. Morales, E. Terradellas, and C. Yagüe

Poster PDF (129.8 kB)
  11:45 AM
9.14
Effects of stability and filter size on model coefficients and intermittency of sub-filter fluxes in the Atmospheric Boundary Layer
Jan Kleissl, Johns Hopkins University, Baltimore, MD; and C. Meneveau and M. B. Parlange

http://www.jhu.edu/~dogee/mbp

Poster PDF (137.1 kB)
  12:00 PM
9.6a
Coffee Break

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