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Hybrid Methods in Engineering

ISSN Печать: 1099-2391
ISSN Онлайн: 2641-7359

Archives: Volume 1, 1999 to Volume 4, 2002

Hybrid Methods in Engineering

DOI: 10.1615/HybMethEng.v3.i1.40
13 pages

A NEW NUMERICAL TECHNIQUE FOR TRANSPORTATION OF AIRBORNE PARTICLES

S. D. Wright
The School of the Environment, University of Leeds, Leeds, LS2 9JT, England
Lionel Elliott
Department of Applied Mathematical Studies, The University of Leeds, Leeds LS2 9JT, West Yorkshire, England.
Derek B. Ingham
Centre for CFD, Department of Applied Mathematical Studies, The University of Leeds, Leeds, LS2 9JT, UK; Energy-2050, Faculty of Engineering, University of Sheffield, Sheffield, S10 2TN, UK

Краткое описание

It is great of importance to be able to predict the trajectories of airborne particles that are released from exhaust systems into the atmospheric boundary layer. These particles may disperse under favorable weather conditions, but under certain weather conditions, or as a result of the local topography, potentially hazardous levels of contamination may occur. In this article, the differential equations that govern the transport of these particles within the atmospheric boundary layer are considered and a numerical algorithm is devised to solve them efficiently. It will be shown that, unlike the transportation of particles over small scales, the efficient integration of the equations of motion is nontrivial without making certain simplifying assumptions.


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