Chimney Plumes Simulation In The Boundary Layer Wind Tunnel

In the BLWT operated by Aeronautical Research and Test Institute/Czech Technical University a set of experiments with plume difbion within near field has been carried out in a simulated atmospheric wind above a terrain of mild roughness at neutral thermal conditions. Mean concentration fields behind...

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Bibliographic Details
Published inWIT Transactions on Ecology and the Environment Vol. 66
Main Authors Jirsak, M, Ulman, R
Format Journal Article
LanguageEnglish
Published Southampton W I T Press 01.01.2003
Subjects
Aeronautics
Boundary layers
Plumes
Point sources
Wind tunnels
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Summary:In the BLWT operated by Aeronautical Research and Test Institute/Czech Technical University a set of experiments with plume difbion within near field has been carried out in a simulated atmospheric wind above a terrain of mild roughness at neutral thermal conditions. Mean concentration fields behind ground and elevated point sources were investigated as preparing for later case studies. Centrelines of four chimney plumes with different values of buoyancy and momentum ratio, as well as peak concentrations drop follow the power laws. Lateral and vertical spread of the plumes also approaches the atmospheric data. Finally, a response of concentration field to boundary layer Re-number was tested. 1 Introduction In general, a wind tunnel of proper design with long working section is to be capable of giving a good experime
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ISSN:1746-448X
1743-3541
DOI:10.2495/AIR030441