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Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Standard

Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers. / Yang, Xiang I. A. ; E. S. Chen, Peng ; Hu, Ruifeng et al.
In: Boundary-Layer Meteorology, Vol. 183, No. 2, 05.2022, p. 199-213.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Harvard

Yang, XIA, E. S. Chen, P, Hu, R & Abkar, M 2022, 'Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers', Boundary-Layer Meteorology, vol. 183, no. 2, pp. 199-213. https://doi.org/10.1007/s10546-021-00683-5

APA

Yang, X. I. A., E. S. Chen, P., Hu, R., & Abkar, M. (2022). Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers. Boundary-Layer Meteorology, 183(2), 199-213. https://doi.org/10.1007/s10546-021-00683-5

CBE

Yang XIA, E. S. Chen P, Hu R, Abkar M. 2022. Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers. Boundary-Layer Meteorology. 183(2):199-213. https://doi.org/10.1007/s10546-021-00683-5

MLA

Yang, Xiang I. A. et al. "Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers". Boundary-Layer Meteorology. 2022, 183(2). 199-213. https://doi.org/10.1007/s10546-021-00683-5

Vancouver

Yang XIA, E. S. Chen P, Hu R, Abkar M. Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers. Boundary-Layer Meteorology. 2022 May;183(2):199-213. doi: 10.1007/s10546-021-00683-5

Author

Yang, Xiang I. A. ; E. S. Chen, Peng ; Hu, Ruifeng et al. / Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers. In: Boundary-Layer Meteorology. 2022 ; Vol. 183, No. 2. pp. 199-213.

Bibtex

@article{b43ca59359e64e71a238aac47ff95408,
title = "Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers",
abstract = "We exploit Monin–Obukhov similarity theory and Townsend{\textquoteright}s attached-eddy hypothesis and arrive at a logarithmic-linear law for the streamwise velocity variance in the surface layer of stably stratified boundary layers. To test the logarithmic-linear law, we conduct large-eddy simulations (LES) of stably stratified turbulent boundary layers at various stratification conditions. The LES results give strong support to the scaling, and the logarithmic-linear law is found to be valid in the wake layer (i.e., outside the surface layer) of strongly stratified boundary layers. A detailed analysis shows that this is because stable thermal stratification suppresses the large-scale detached eddies in the wake layer.",
keywords = "Attached-eddy hypothesis, Large-eddy simulation, Monin–Obukhov similarity theory, Scaling, Velocity variance",
author = "Yang, {Xiang I. A.} and {E. S. Chen}, Peng and Ruifeng Hu and Mahdi Abkar",
year = "2022",
month = may,
doi = "10.1007/s10546-021-00683-5",
language = "English",
volume = "183",
pages = "199--213",
journal = "Boundary-Layer Meteorology",
issn = "0006-8314",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - Logarithmic-Linear Law of the Streamwise Velocity Variance in Stably Stratified Boundary Layers

AU - Yang, Xiang I. A.

AU - E. S. Chen, Peng

AU - Hu, Ruifeng

AU - Abkar, Mahdi

PY - 2022/5

Y1 - 2022/5

N2 - We exploit Monin–Obukhov similarity theory and Townsend’s attached-eddy hypothesis and arrive at a logarithmic-linear law for the streamwise velocity variance in the surface layer of stably stratified boundary layers. To test the logarithmic-linear law, we conduct large-eddy simulations (LES) of stably stratified turbulent boundary layers at various stratification conditions. The LES results give strong support to the scaling, and the logarithmic-linear law is found to be valid in the wake layer (i.e., outside the surface layer) of strongly stratified boundary layers. A detailed analysis shows that this is because stable thermal stratification suppresses the large-scale detached eddies in the wake layer.

AB - We exploit Monin–Obukhov similarity theory and Townsend’s attached-eddy hypothesis and arrive at a logarithmic-linear law for the streamwise velocity variance in the surface layer of stably stratified boundary layers. To test the logarithmic-linear law, we conduct large-eddy simulations (LES) of stably stratified turbulent boundary layers at various stratification conditions. The LES results give strong support to the scaling, and the logarithmic-linear law is found to be valid in the wake layer (i.e., outside the surface layer) of strongly stratified boundary layers. A detailed analysis shows that this is because stable thermal stratification suppresses the large-scale detached eddies in the wake layer.

KW - Attached-eddy hypothesis

KW - Large-eddy simulation

KW - Monin–Obukhov similarity theory

KW - Scaling

KW - Velocity variance

UR - http://www.scopus.com/inward/record.url?scp=85123826197&partnerID=8YFLogxK

U2 - 10.1007/s10546-021-00683-5

DO - 10.1007/s10546-021-00683-5

M3 - Journal article

VL - 183

SP - 199

EP - 213

JO - Boundary-Layer Meteorology

JF - Boundary-Layer Meteorology

SN - 0006-8314

IS - 2

ER -