The present study examines the influence of heated, horizontal, and rotateable louvers on the convective heat transfer from a heated or cooled vertical isothermal surface. The system represents an irradiated Venetian blind adjacent to the indoor surface of a window. Detailed temperature field and local surface flux data were obtained using a Mach-Zehnder Interferometer for two window temperatures (warm and cool compared to ambient) and irradiation levels, two louver to plate spacings, and three louver angles. The results have been compared to a steady, laminar, two-dimensional, conjugate conduction/convection/radiation finite element model of this problem. The effect of the heated louvers on the heat transfer rate from the plate surface has been demonstrated and the results of the numerical study have been validated.
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e-mail: mcollins@uwaterloo.ca
e-mail: harrison@me.queensu.ca
e-mail: dnaylor@acs.ryerson.ca
e-mail: oosthuiz@me.queensu.ca
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Heat Transfer From an Isothermal Vertical Surface With Adjacent Heated Horizontal Louvers: Validation
M. Collins,
e-mail: mcollins@uwaterloo.ca
M. Collins
Dept. of Mechanical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
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S. J. Harrison,
e-mail: harrison@me.queensu.ca
S. J. Harrison
Dept. of Mechanical Engineering, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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D. Naylor,
e-mail: dnaylor@acs.ryerson.ca
D. Naylor
Dept. of Mechanical, Aerospace, and Industrial Engineering, Ryerson University, Toronto, Ontario M5B 2K3, Canada
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P. H. Oosthuizen
e-mail: oosthuiz@me.queensu.ca
P. H. Oosthuizen
Dept. of Mechanical Engineering, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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M. Collins
Dept. of Mechanical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
e-mail: mcollins@uwaterloo.ca
S. J. Harrison
Dept. of Mechanical Engineering, Queen’s University, Kingston, Ontario K7L 3N6, Canada
e-mail: harrison@me.queensu.ca
D. Naylor
Dept. of Mechanical, Aerospace, and Industrial Engineering, Ryerson University, Toronto, Ontario M5B 2K3, Canada
e-mail: dnaylor@acs.ryerson.ca
P. H. Oosthuizen
Dept. of Mechanical Engineering, Queen’s University, Kingston, Ontario K7L 3N6, Canada
e-mail: oosthuiz@me.queensu.ca
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division June 18, 2001; revision received March 7, 2002. Associate Editor: C. Amon.
J. Heat Transfer. Dec 2002, 124(6): 1078-1087 (10 pages)
Published Online: December 3, 2002
Article history
Received:
June 18, 2001
Revised:
March 7, 2002
Online:
December 3, 2002
Citation
Collins, M., Harrison, S. J., Naylor, D., and Oosthuizen, P. H. (December 3, 2002). "Heat Transfer From an Isothermal Vertical Surface With Adjacent Heated Horizontal Louvers: Validation ." ASME. J. Heat Transfer. December 2002; 124(6): 1078–1087. https://doi.org/10.1115/1.1481358
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