Comparison of Length Scale Parameterization Methodologies

Faruk Tuna and Ferhat Bingöl
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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

Energies, 2019, vol. 13, issue 1, 1-14

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.

Keywords: atmospheric stability; length scale; wind shear exponent (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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