Portland State University. Department of Engineering and Applied Science
Frank P. Terraglio
Date of Publication
Master of Science (M.S.) in Applied Science
Exhaust systems, Smoke plumes, Waste heat
1 online resource, digitized manuscript.
A common industrial ventilation and pollution problem results when a thermally buoyant polluted plume of air must be exhausted away from a work area to allow achievement of air pollution standards. Generally, a close fitting canopy hood is one of the most effective means of exhaust containment; however, physical restrictions or the operation itself often prevent such an arrangement, and a hood located to the side of the operation is required. This arrangement requires the exhaust to bend and contain the vertically rising plume with a horizontal sweep of exhaust air across the surface of the operation.
A review of available literature revealed a lack of the necessary theory and data needed to design a side draft hood based on plume dynamics. The purpose of this study, then, is to develop the theory relating the side draft hood size and required exhaust volume to the hot source characteristics and to test the theory in the laboratory.
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MacGowan, Douglas H., "The Analysis of the Deflection and Containment of a Hot Plume by Side Draft Exhaust Hooding" (1976). Dissertations and Theses. Paper 2557.