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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/2145

Title: Two-dimensional analytical model for estimating crosswind integrated concentration in a capping inversion: eddy diffusivity as a function of downwind distance from the source
Authors: Sharan, Maithili
Gupta, Suman
Keywords: Mathematical model
Dispersion
Crosswind-integrated concentration
Eddy diffusivity
Eigen-function expansion
Issue Date: 2001
Citation: Atmospheric Environment, 36(1), 97 - 105p.
Abstract: A mathematical model has been proposed for computing crosswind-integrated concentration in a capping inversion layer by considering the eddy diffusivity as a function of down wind distance from the source. An analytical solution of the resulting partial differential equation with the physically relevant boundary conditions has been obtained for the general functional form of eddy diffusivity using the method of eigen-function expansion. The model with eddy diffusivity as a linear function of downwind distance is validated with the available data in the literature from Copenhagen in Denmark and plume validation experiment conducted by Electric Power Research Institute at Kincaid in USA. The agreement is found to be good between the computed and the observed concentrations in both the experiments. In fact, majority of the concentrations predicted from the model are with in a factor of two to observations.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/2145
Appears in Collections:Atmospheric Sciences [CAS]

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