The objective of this paper is to study cooling by induced convection of a vertical cylinder in an enclosed space with openings. The enclosed space has various configurations: it is either horizontal only, or combined vertical-horizontal, but its width remains constant. The study in general aims at finding the preferable configuration in which the maximum and mean temperature of the cylinder would be the lowest, and to compare the results for conducting and insulating cylinders, made either of stainless steel or cement. A laboratory-scale model is studied both experimentally and numerically. Each cylinder is 50mm in diameter and 100 mm high. It is heated from inside by a cartridge heater, installed in a drill along the cylinder axis and connected to an external power source. Temperature measurements are performed at various locations inside the cylinders by fine thermocouples using a multi-channel data acquisition unit. Numerical simulations are performed for the velocity and temperature fields in the enclosure, using the Fluent 5.5 software, accounting for both convection and radiation. The cylinders are modeled as they were built in reality: they had a heat-generating core and conducting body. Comparison of the experimental results with the numerical predictions is presented and discussed.
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ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
July 11–15, 2004
Charlotte, North Carolina, USA
Conference Sponsors:
- Heat Transfer Division and Fluids Engineering Division
ISBN:
0-7918-4690-3
PROCEEDINGS PAPER
Passive Cooling of Conducting and Insulating Heat Generating Cylinders in Enclosures With Openings Available to Purchase
V. Tsivyan,
V. Tsivyan
Ben-Gurion University of the Negev, Beer-Sheva, Israel
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V. Dubovsky,
V. Dubovsky
Ben-Gurion University of the Negev, Beer-Sheva, Israel
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Y. Weiss,
Y. Weiss
Ben-Gurion University of the Negev, Beer-Sheva, Israel
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J. Aharon,
J. Aharon
Ben-Gurion University of the Negev, Beer-Sheva, Israel
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G. Ziskind,
G. Ziskind
Ben-Gurion University of the Negev, Beer-Sheva, Israel
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R. Letan
R. Letan
Ben-Gurion University of the Negev, Beer-Sheva, Israel
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V. Tsivyan
Ben-Gurion University of the Negev, Beer-Sheva, Israel
V. Dubovsky
Ben-Gurion University of the Negev, Beer-Sheva, Israel
Y. Weiss
Ben-Gurion University of the Negev, Beer-Sheva, Israel
J. Aharon
Ben-Gurion University of the Negev, Beer-Sheva, Israel
G. Ziskind
Ben-Gurion University of the Negev, Beer-Sheva, Israel
R. Letan
Ben-Gurion University of the Negev, Beer-Sheva, Israel
Paper No:
HT-FED2004-56214, pp. 193-199; 7 pages
Published Online:
February 24, 2009
Citation
Tsivyan, V, Dubovsky, V, Weiss, Y, Aharon, J, Ziskind, G, & Letan, R. "Passive Cooling of Conducting and Insulating Heat Generating Cylinders in Enclosures With Openings." Proceedings of the ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. Volume 1. Charlotte, North Carolina, USA. July 11–15, 2004. pp. 193-199. ASME. https://doi.org/10.1115/HT-FED2004-56214
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