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Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere

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Show simple item record Bennett, Ralph Gregory Golay, Michael Warren 2006-06-05T17:34:08Z 2006-06-05T17:34:08Z 1979-02
dc.identifier.other 06348829
dc.description.abstract A widely applicable computational model of buoyant, bent- over plumes in realistic atmospheres is constructed. To do this, the two-dimensional, time-dependent fluid mechanics equations are numerically integrated, while a number of important physical ap- proximations serve to keep the approach at a tractable level. A three-dimensional picture of a steady state plume is constructed from a sequence of time-dependent, two-dimensional plume cross sections--each cross section of the sequence is spaced progres- sively further downwind as it is advected for a progressively longer time by the prevailing wind. The dynamics of the plume simulations are quite general. The buoyancy sources in the plume include the sensible heat in the plume, the latent heat absorbed or released in plume moisture processes, and the heating of the plume by a radioactive pollutant in the plume. The atmospheric state in the simulations is also quite general. Atmospheric var- iables are allowed to be functions of height, and the ambient atmospheric turbulence (also a function of height) is included in the simulations. en
dc.description.sponsorship Sponsored by the Consolidated Edison Company of New York and Northeast Utilities Service Corporation. en
dc.format.extent 10791871 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher MIT Energy Laboratory en
dc.relation.ispartofseries MIT-EL en
dc.relation.ispartofseries 79-004 en
dc.subject Plumes (Fluid dynamics) |x Mathematical models. en
dc.title Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere en
dc.type Technical Report en

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