World Library  

Add to Book Shelf
Flag as Inappropriate
Email this Book

Large-eddy Simulation of Plume Dispersion Under Various Thermally Stratified Boundary Layers : Volume 11, Issue 1 (22/07/2014)

By Nakayama, H.

Click here to view

Book Id: WPLBN0003982388
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Large-eddy Simulation of Plume Dispersion Under Various Thermally Stratified Boundary Layers : Volume 11, Issue 1 (22/07/2014)  
Author: Nakayama, H.
Volume: Vol. 11, Issue 1
Language: English
Subject: Science, Advances, Science
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


APA MLA Chicago

Nagai, H., Takemi, T., & Nakayama, H. (2014). Large-eddy Simulation of Plume Dispersion Under Various Thermally Stratified Boundary Layers : Volume 11, Issue 1 (22/07/2014). Retrieved from

Description: Japan Atomic Energy Agency, Ibaraki, Japan. Contaminant gas dispersion in atmospheric boundary layer is of great concern to public health. For the accurate prediction of the dispersion problem, the present study numerically investigates the behavior of plume dispersion by taking into account the atmospheric stability which is classified into three types; neutral, stable, and convective boundary layers. We first proposed an efficient method to generate spatially-developing, thermally-stratified boundary layers and examined the usefulness of our approach by comparing to wind tunnel experimental data for various thermal boundary layers. The spreads of plume in the spanwise direction are quantitatively underestimated especially at large downwind distances from the point source, owing to the underestimation of turbulence intensities for the spanwise component; however, the dependence of the spanwise spreads to atmospheric stability is well represented in a qualitative sense. It was shown that the large-eddy simulation (LES) model provides physically reasonable results.

Large-eddy simulation of plume dispersion under various thermally stratified boundary layers

Basu, S., Vinuesa, J. F., and Swift, A.: Dynamic LES modeling of a diurnal cycle, J. Appl. Meteorol. Clim., 47, 1156–1174, 2008.; Deardorff, J. W.: Numerical investigation of neural and unstable planetary boundary layers, J. Atmos. Sci., 29, 91–115, 1972.; Fackrell, J. E. and Robins, A. G.: Concentration fluctuations and fluxes in plumes from point sources in a turbulent boundary layer, J. Fluid Mech., 117, 1–26, 1982.; Deardorff, J. W. and Willis, G. E.: Ground level concentration fluctuations from a buoyant and a non-buoyant source within a laboratory convective mixed layer, Atmos. Environ., 18, 1297–1984, 1984.; Demael, E. and Carissimo, B.: Comparative evaluation of an Eulerian CFD and Gaussian plume models based on prairie grass dispersion experiment, J. Appl. Meteorol. Clim., 47, 888–900, 2007.; Fedorovich, E. and Thäter, J.: A wind tunnel study of gaseous tracer dispersion in the convective boundary layer capped by a temperature inversion, Atmos. Environ., 36, 2245–2255, 2002.; Hanna, S. R., Hansen, O. R. and Dharmavaram, S.: FLACS CFD air quality model performance evaluation with Kit Fox, MUST, Prairie Grass, and EMU observations, Atmos. Environ., 38, 4675–4687, 2004.; Henn, D. S. and Sykes, R. I.: Large-eddy simulation of dispersion in the convective boundary layer, Atmos. Environ., 26A, 3145–3159, 1992.; Kataoka, H. and Mizuno, M.: Numerical flow computation around aeroelastic 3D square cylinder using inflow turbulence, Wind Struct., 5, 379–392, 2002.; Michioka, T., Sato, A., and Sada, K.: Large-eddy simulation for the tracer gas concentration fluctuation in atmospheric boundary layer, Japan Soc. Mech. Eng., 69, 868–875, 2003.; Moeng, C.-H. and Sullivan, P. P.: A comparison of shear and buoyancy driven planetary-boundary-layer flows, J. Atmos. Sci., 51, 999–1022, 1994.; Moin, P. and Kim, J.: Numerical investigation of turbulent channel flow, J. Fluid Mech., 118, 341–377, 1982.; Nakayama, H. and Nagai, H.: Large-eddy simulation on turbulent flow and plume dispersion over a 2-dimensional hill, Adv. Sci. Res., 4, 71–76, 2010.; Nakayama, H., Takemi, T., and Nagai, H.: LES analysis of the aerodynamic surface properties for turbulent flows over building arrays with various geometries, J. Appl. Meteorol. Clim., 6, 79–86, 2011.; Nakayama, H., Takemi, T., and Nagai, H.: Large-eddy simulation of urban boundary-layer flows by generating turbulent inflows from mesoscale meteorological simulations, Atmos. Sci. Lett., 13, 180–186, 2012.; Nakayama, H., Jurcakova, K., and Nagai, H.: Development of local-scale high-resolution atmospheric dispersion model using large-eddy simulation Part 3: turbulent flow and plume dispersion in building arrays, J. Nucl. Soc. Technol., 50, 503–519, 2013.; Nakayama, H., Leitl, B., Harms, and F., Nagai, H.: Development of local-scale high-resolution atmospheric dispersion model using large-eddy simulation Part 4: turbulent flows and plume dispersion in an actual urban area, J. Nucl. Soc. Technol., 51, 628–638, 2014.; Ohya, Y. and Uchida, T.: Laboratory and numerical studies of the convective boundary layer capped by a strong inversion, Bound.-Lay. Meteorol., 112, 223–240, 2004.; Ohya, Y., Neff, D. E., and Meroney, R. N.: Turbulence structure in a stratified boundary layer under stable conditions, Bound.-Lay. Meteorol., 83, 139–161, 1997.; Smagorinsky, J.: General circulation experiments with the primitive equations, Mon. Weather Rev., 91, 99–164, 1963.; Snyder, W. H.: Guideline for fluid modeling of atmospheric diffusion, US EPA Report EPA-600/8-81-009, US EPA, Research Triangle Park, 1981.; Sykes, R. I. and Henn, D. S.: Large-eddy simulation of concentration fluctuations in a dispersing plume, Atmos. Environ., 26A, 3127–3144, 1992.; Takewaki, H., Nishiguchi, A., and Yabe, T.: Cubic Interpolated Pseudo-particle method (CIP) for solving hyperbolic-type equations, J. Comput. Phys., 61, 261–268, 1985.; Turner, D.B.: Workbook of Atmospheric Dispersion Estimates, No. AP-26, revised edition, US Environmental


Click To View

Additional Books

  • An Overview of the Use of Twitter in Nat... (by )
  • Sensitivity Analysis of Surface Ozone to... (by )
  • Influence of Meteorological Input Data o... (by )
  • Matisse: an Arcgis Tool for Monitoring a... (by )
  • Chemical Weather Forecasting: a New Conc... (by )
  • Reference Crop Evapotranspiration Estima... (by )
  • Assessment of Climate Vulnerability in t... (by )
  • First Outcomes from the Cnr-isac Monthly... (by )
  • Diagnostic Study of the Influence of Lat... (by )
  • A Vector Auto-regressive Model for Onsho... (by )
  • Monitoring of Climate Change in Germany ... (by )
  • Twinning European and South Asian River ... (by )
Scroll Left
Scroll Right


Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Fair are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.