Standard

Calculation of Higher-Order Moments in the Atmospheric Boundary Layer. / Ilyushin, B. B.

In: Journal of Engineering Thermophysics, Vol. 27, No. 3, 01.07.2018, p. 339-344.

Research output: Contribution to journalArticlepeer-review

Harvard

Ilyushin, BB 2018, 'Calculation of Higher-Order Moments in the Atmospheric Boundary Layer', Journal of Engineering Thermophysics, vol. 27, no. 3, pp. 339-344. https://doi.org/10.1134/S1810232818030098

APA

Ilyushin, B. B. (2018). Calculation of Higher-Order Moments in the Atmospheric Boundary Layer. Journal of Engineering Thermophysics, 27(3), 339-344. https://doi.org/10.1134/S1810232818030098

Vancouver

Ilyushin BB. Calculation of Higher-Order Moments in the Atmospheric Boundary Layer. Journal of Engineering Thermophysics. 2018 Jul 1;27(3):339-344. doi: 10.1134/S1810232818030098

Author

Ilyushin, B. B. / Calculation of Higher-Order Moments in the Atmospheric Boundary Layer. In: Journal of Engineering Thermophysics. 2018 ; Vol. 27, No. 3. pp. 339-344.

BibTeX

@article{d45ad7593134405b83161c234794426d,
title = "Calculation of Higher-Order Moments in the Atmospheric Boundary Layer",
abstract = "The results of analyzing a number of models to calculate the statistical fourth-order moments of turbulent fluctuations of vertical velocity and temperature, which describe diffusion processes in equations for triple correlations in RANS models, are presented. Correct calculation of higher-order moments allows adequate description of the impact of large-scale vortex structures on the vertical flow of turbulence energy, as well as the impact of chemical reactions (in the case of reactive impurities) and/or phase transitions (moisture condensation and evaporation) in the atmospheric boundary layer.Results of calculations with the use of the quasi-normality hypothesis, a number of empirical formulas. and algebraic models for fourth-order cumulants are comparedwith in situ measurements in the convective boundary layer of the atmosphere. It is shown that the secondorder- closure models, which are much more efficient in numerical implementation than the thirdorder models, predict the behavior of the higher-order moments not worse than the latter.",
author = "Ilyushin, {B. B.}",
year = "2018",
month = jul,
day = "1",
doi = "10.1134/S1810232818030098",
language = "English",
volume = "27",
pages = "339--344",
journal = "Journal of Engineering Thermophysics",
issn = "1810-2328",
publisher = "Maik Nauka-Interperiodica Publishing",
number = "3",

}

RIS

TY - JOUR

T1 - Calculation of Higher-Order Moments in the Atmospheric Boundary Layer

AU - Ilyushin, B. B.

PY - 2018/7/1

Y1 - 2018/7/1

N2 - The results of analyzing a number of models to calculate the statistical fourth-order moments of turbulent fluctuations of vertical velocity and temperature, which describe diffusion processes in equations for triple correlations in RANS models, are presented. Correct calculation of higher-order moments allows adequate description of the impact of large-scale vortex structures on the vertical flow of turbulence energy, as well as the impact of chemical reactions (in the case of reactive impurities) and/or phase transitions (moisture condensation and evaporation) in the atmospheric boundary layer.Results of calculations with the use of the quasi-normality hypothesis, a number of empirical formulas. and algebraic models for fourth-order cumulants are comparedwith in situ measurements in the convective boundary layer of the atmosphere. It is shown that the secondorder- closure models, which are much more efficient in numerical implementation than the thirdorder models, predict the behavior of the higher-order moments not worse than the latter.

AB - The results of analyzing a number of models to calculate the statistical fourth-order moments of turbulent fluctuations of vertical velocity and temperature, which describe diffusion processes in equations for triple correlations in RANS models, are presented. Correct calculation of higher-order moments allows adequate description of the impact of large-scale vortex structures on the vertical flow of turbulence energy, as well as the impact of chemical reactions (in the case of reactive impurities) and/or phase transitions (moisture condensation and evaporation) in the atmospheric boundary layer.Results of calculations with the use of the quasi-normality hypothesis, a number of empirical formulas. and algebraic models for fourth-order cumulants are comparedwith in situ measurements in the convective boundary layer of the atmosphere. It is shown that the secondorder- closure models, which are much more efficient in numerical implementation than the thirdorder models, predict the behavior of the higher-order moments not worse than the latter.

UR - http://www.scopus.com/inward/record.url?scp=85051228803&partnerID=8YFLogxK

U2 - 10.1134/S1810232818030098

DO - 10.1134/S1810232818030098

M3 - Article

AN - SCOPUS:85051228803

VL - 27

SP - 339

EP - 344

JO - Journal of Engineering Thermophysics

JF - Journal of Engineering Thermophysics

SN - 1810-2328

IS - 3

ER -

ID: 16075801