Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere
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 approac...
| Main Authors: | , |
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| Format: | Technical Report |
| Language: | en_US |
| Published: |
MIT Energy Laboratory
2006
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| Subjects: | |
| Online Access: | http://hdl.handle.net/1721.1/32994 |
| _version_ | 1811084041655418880 |
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| author | Bennett, Ralph Gregory Golay, Michael Warren |
| author_facet | Bennett, Ralph Gregory Golay, Michael Warren |
| author_sort | Bennett, Ralph Gregory |
| collection | MIT |
| description | 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. |
| first_indexed | 2024-09-23T12:43:17Z |
| format | Technical Report |
| id | mit-1721.1/32994 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T12:43:17Z |
| publishDate | 2006 |
| publisher | MIT Energy Laboratory |
| record_format | dspace |
| spelling | mit-1721.1/329942019-04-12T08:35:42Z Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere Bennett, Ralph Gregory Golay, Michael Warren Plumes (Fluid dynamics) |x Mathematical models. 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. Sponsored by the Consolidated Edison Company of New York and Northeast Utilities Service Corporation. 2006-06-05T17:34:08Z 2006-06-05T17:34:08Z 1979-02 Technical Report 06348829 http://hdl.handle.net/1721.1/32994 en_US MIT-EL 79-004 10791871 bytes application/pdf application/pdf MIT Energy Laboratory |
| spellingShingle | Plumes (Fluid dynamics) |x Mathematical models. Bennett, Ralph Gregory Golay, Michael Warren Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere |
| title | Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere |
| title_full | Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere |
| title_fullStr | Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere |
| title_full_unstemmed | Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere |
| title_short | Users' guide for numerical modeling of buoyant plumes in a turbulent, stratified atmosphere |
| title_sort | users guide for numerical modeling of buoyant plumes in a turbulent stratified atmosphere |
| topic | Plumes (Fluid dynamics) |x Mathematical models. |
| url | http://hdl.handle.net/1721.1/32994 |
| work_keys_str_mv | AT bennettralphgregory usersguidefornumericalmodelingofbuoyantplumesinaturbulentstratifiedatmosphere AT golaymichaelwarren usersguidefornumericalmodelingofbuoyantplumesinaturbulentstratifiedatmosphere |