Journal of Flow Visualization and Image Processing

ISSN for PRINT: 1065-3090

For Online Access

Best Paper Award Selection - Editorial Board Site

2000, Volume7

Issue 3

96 pages

Issue price - $140.00

David Naylor
Department of Mechanical Engineering, Ryerson Polytechnic University, Toronto, Ontario, Canada M5B 2K3

N. Duarte
Department of Mechanical Engineering, Ryerson Polytechnic University, Toronto, Ontario, Canada M5B 2K3

J. Petryk
Department of Mechanical Engineering, Ryerson Polytechnic University, Toronto, Ontario, Canada M5B 2K3

A. D. Machin
Department of Mechanical Engineering, Ryerson Polytechnic University, Toronto, Ontario, Canada M5B 2K3

Flow- and temperature-field visualization photographs have been obtained of the free convection about a heated havered blind adjacent to an isothermal vertical plate. This configuration is an approximate model of an indoor window glazing with a Venetian blind that is heated by absorbed solar radiation. Flow visualization photographs were taken using a sheet of laser light and cigarette smoke. Full-field temperature visualization was obtained using a Mach-Zehnder interferometer. Results have been obtained for three blind slat-angles and three blind heat flux levels, for a constant plate to ambient temperature difference. For the complete range of parameters studied, the results show that the blind has a strong effect on the flow and temperature field near the window surface. The intended application of these results is for the validation of numerical modeling.

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