<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper describes model tests conducted in the Wind Engineering Laboratory of Cracow University of Technology on dynamic action on the atmospheric boundary layer in order to reduce the effects of air pollution and smog in urban areas. The paper focuses on vertical exhaust (ventilation chimney) and cooperation between a concentric system of ventilation towers and a ventilation chimney. The tests were conducted for different shapes and heights of ventilation chimneys, different diameters of the concentric system and different wind speeds provided by the ventilation towers. A heavy smoke visualisation was performed in order to qualitatively evaluate the efficiency of different solutions. The performed tests confirmed a sufficient level of efficiency of cleaning an area where the circular system is located.</p></abstract>

This paper describes model tests conducted in the Wind Engineering Laboratory of Cracow University of Technology on dynamic action on the atmospheric boundary layer in order to reduce the effects of air pollution and smog in urban areas. The paper focuses on vertical exhaust (ventilation chimney) and cooperation between a concentric system of ventilation towers and a ventilation chimney. The tests were conducted for different shapes and heights of ventilation chimneys, different diameters of the concentric system and different wind speeds provided by the ventilation towers. A heavy smoke visualisation was performed in order to qualitatively evaluate the efficiency of different solutions. The performed tests confirmed a sufficient level of efficiency of cleaning an area where the circular system is located.

Model Tests of Dynamic Action on the Atmospheric Boundary Layer – Concentric Configuration of Ventilation Towers with a Central Ventilation Chimney

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

This paper describes model tests conducted in the Wind Engineering Laboratory of Cracow University of Technology on dynamic action on the atmospheric boundary...

Model Tests of Dynamic Action on the Atmospheric Boundary Layer – Concentric Configuration of Ventilation Towers with a Central Ventilation Chimney

Published Online: May 16, 2020

Page range: 111 - 124

Received: Jun 03, 2019

DOI: https://doi.org/10.4467/2353737XCT.19.075.10726

Keywords
wind engineering, smog reduction, environmental engineering, urban ventilation, ventilation chimney, smoke visualisation

© 2018 Aleksander Pistol et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Model Tests of Dynamic Action on the Atmospheric Boundary Layer – Concentric Configuration of Ventilation Towers with a Central Ventilation Chimney

Published Online: May 16, 2020

Page range: 111 - 124

Received: Jun 03, 2019

DOI: https://doi.org/10.4467/2353737XCT.19.075.10726

Keywordswind engineering, smog reduction, environmental engineering, urban ventilation, ventilation chimney, smoke visualisation

© 2018 Aleksander Pistol et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Keywords
wind engineering, smog reduction, environmental engineering, urban ventilation, ventilation chimney, smoke visualisation