DOI: 10.1016/j.atmosenv.2013.10.045
Scopus记录号: 2-s2.0-84889574406
论文题名: A contribution to solve the atmospheric diffusion equation with eddy diffusivity depending on source distance
作者: Moreira D ; M ; , Moraes A ; C ; , Goulart A ; G ; , Albuquerque T ; T ; D ; A
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 83 起始页码: 254
结束页码: 259
语种: 英语
英文关键词: Analytical model
; Atmospheric boundary layer
; Eddy diffusivity
Scopus关键词: Analytical models
; Atmospheric boundary layer
; Atmospheric movements
; Partial differential equations
; Asymptotic limits
; Atmospheric diffusion equations
; Eddy Diffusivities
; Integral solutions
; Memory effects
; Taylor's theory
; Turbulent transport process
; Vertical eddy diffusivity
; Diffusion
; analytical framework
; boundary layer
; diffusion
; diffusivity
; eddy
; wind velocity
; advection
; analytic method
; article
; atmospheric diffusion
; atmospheric dispersion
; boundary layer
; controlled study
; dispersion
; eddy diffusivity
; environmental parameters
; mathematical model
; priority journal
; steady state
; velocity
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: An integral solution of the atmospheric diffusion equation considering wind speed as a function of vertical height and eddy diffusivity as a function of both downwind distance from the source and vertical height is presented. The near-source dispersion problem is investigated comparing a vertical eddy diffusivity function of distance from the source against their asymptotic limit. The results suggest that the inclusion of the memory effect as modeled by Taylor's theory, improves the description of the turbulent transport process of atmospheric effluent released by a low continuous source in convective conditions. © 2013 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80956
Appears in Collections: 气候变化事实与影响
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作者单位: Federal University of Southern Border, Environmental Engineering, Rua General Osório, 413D, Caixa Postal 181, CEP: 89802210, Chapecó, Santa Catarina, Brazil; Instituto Federal Sul-Rio-Grandense, Praça XX de Setembro 455, CEP: 96020170, Pelotas, RS, Brazil; Federal University of Pampa, Avenida Tiaraju, 810, CEP: 97546550, Alegrete, RS, Brazil; Federal University of Espírito Santo, Environmental Engineering, Av. Fenrando Ferrari, 514, CEP: 29075910, Vitória, ES, Brazil
Recommended Citation:
Moreira D,M,, Moraes A,et al. A contribution to solve the atmospheric diffusion equation with eddy diffusivity depending on source distance[J]. Atmospheric Environment,2014-01-01,83