Estimation Of Kolmogorov Constant C0 From Sonic Anemometer Measurements In The Atmospheric Surface Layer

  • D. Anfossi
  • S. Trini Castelli
  • G. Degrazia
  • E. Ferrero
  • S.-E. Gryning
  • M. G. Morselli

Abstract

In the inertial subrange the Lagrangian velocity structure function
$$ D_i^L(\tau ) = \left\langle {{{\left[ {{u_i}(t + \tau ) - {u_i}(t)} \right]}^2}} \right\rangle \quad i = u,v,w $$
(1)
is defined, according to the Kolmogorov hypothesis (Monin and Yaglom, 1975), as:
$$ D_i^L(\tau ) = {C_0}\;\varepsilon \;\tau , $$
(2)
where C0 is a numerical constant and ɛ is the ensemble-average rate of dissipation of turbulent kinetic energy.

Keywords

Stratification Autocorrelation Cote Line Source 

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Copyright information

© Springer Science+Business Media New York 2000

Authors and Affiliations

  • D. Anfossi
    • 1
  • S. Trini Castelli
    • 1
  • G. Degrazia
    • 2
  • E. Ferrero
    • 3
  • S.-E. Gryning
    • 4
  • M. G. Morselli
    • 5
  1. 1.CNR-Istituto di CosmogeofisicaTorinoItaly
  2. 2.Universidade Federal de Santa MariaBrasil
  3. 3.Universita’, Dip. Scienze Teen. Avanz.AlessandriaItaly
  4. 4.RISO National LaboratoryRoskildeDenmark
  5. 5.ENEL-Polo AmbienteMilanoItaly

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