Abstract
Abstract This paper presents the face velocity profiles and static pressures for an annular hood used around the opening of a 55-gallon drum. Nine combinations of slot width and flow were measured using a hot wire anemometer and electronic manometer. In addition, the hood's air flow patterns visualized using smoke were studied. The data for the velocity and static pressure measurements are presented in tables in the paper. Pictures of the smoke tests are also presented. The study shows that even air distribution can be achieved along the hood's slot using a baffle and variable width slot. The study also shows that appreciable velocities can be achieved in the center portion of the hood face.
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