Development of an integral model for the dispersion of hot and moist gases

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Teixeira, M. A. C. ORCID: https://orcid.org/0000-0003-1205-3233 and Miranda, P. M. A. (1996) Development of an integral model for the dispersion of hot and moist gases. In: Brebbia, C. A. and Caussade, B. (eds.) Air Pollution IV. WIT Transaction on Ecology and the Environment, 14. Wessex Institute of Technology, pp. 89-98. ISBN 9781853124228

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Abstract/Summary

Buoyant plumes can be simulated with reasonable accuracy and simplicity using integral models. This paper attempts to analyze some aspects of buoyant plume dispersion using one of the most sophisticated integral models available, developed by Schatzmann. The model is studied in some detail and compared to a slightly different version, proposed by Davidson. It is found that differences put in the establishment of the two models lead to significant changes in the plume behaviour. Some modifications to Schatzmann's model are suggested, in which sheared wind, radiation, moisture and phase transitions are taken into account. Finally, an alternative, simpler, turbulence closure is proposed for the parametrization of entrainment, which is the strongest constraint on the performance of any plume model but also its less well founded aspect.

Item Type:	Book or Report Section
Refereed:	Yes
Divisions:	Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:	74798
Uncontrolled Keywords:	Pollution dispersion, integral model, buoyant plume
Publisher:	Wessex Institute of Technology

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References

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Development of an integral model for the dispersion of hot and moist gases

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