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Comparison of Length Scale Parameterization Methodologies

Author

Listed:
  • Faruk Tuna

    (Energy Engineering Programme, Izmir Institute of Technology, 35430 Izmir, Turkey)

  • Ferhat Bingöl

    (Department of Energy Systems Engineering, Office No:128, Izmir Institute of Technology, 35430 Izmir, Turkey)

Abstract

Atmospheric stability has been studied for decades. There are several methodologies that evolved over the years. In this study, a special experimental meteorological mast that has been erected to a complex site has been used to calculate dimensionless Obukhov length ( ζ = z L ) , dimensionless momentum ( φ m ), and heat coefficients ( φ h ). The results are compared with the ones from average value approaches: Richardson number, flux-profile (F-P) relations, and wind shear exponent methods. The results show that the estimated ζ values, using the bulk Richardson number, get along well with the reference ζ within the neutral and stable regimes. F-P relations and wind shear exponent methods result in the best agreement for stable and neutral regimes. Nevertheless, average oriented methods are not reliable for the other regimes.

Suggested Citation

  • Faruk Tuna & Ferhat Bingöl, 2019. "Comparison of Length Scale Parameterization Methodologies," Energies, MDPI, vol. 13(1), pages 1-14, December.
    • Handle: RePEc:gam:jeners:v:13:y:2019:i:1:p:89-:d:301211
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