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A platform for research: civil engineering, architecture and urbanism
Thermal plumes in ventilated rooms. Vertical volume flux influenced by enclosing walls
The flow rate in thermal plumes is influenced by many factors. Influence by enclosing walls is one of them. This article presents simple symmetry considerations to calculate the flow rate in such flows, and they are experimentally verified as regards wall plumes. When the flow takes place near to enclosing walls, the entrainment is influenced and a reduction of the flow rate is observed. For displacement ventilation this means a reduction of the stipulated necessary ventilation air flow rate when an air quality based design method is used. (author) (15 refs.).
Thermal plumes in ventilated rooms. Vertical volume flux influenced by enclosing walls
The flow rate in thermal plumes is influenced by many factors. Influence by enclosing walls is one of them. This article presents simple symmetry considerations to calculate the flow rate in such flows, and they are experimentally verified as regards wall plumes. When the flow takes place near to enclosing walls, the entrainment is influenced and a reduction of the flow rate is observed. For displacement ventilation this means a reduction of the stipulated necessary ventilation air flow rate when an air quality based design method is used. (author) (15 refs.).
Thermal plumes in ventilated rooms. Vertical volume flux influenced by enclosing walls
P. Kofoed (author) / P. V. Nielsen (author)
1991
14 pages
Report
No indication
English
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