An experimental investigation is made of the thermal interaction between a horizontal isothermal cylinder centrally located in a water-cooled isothermal cubical enclosure. The study is restricted to laminar flow and cylinder Rayleigh numbers of order The application of interest is the cooling of electronic systems. This field is currently lacking in techniques that can measure the complex fluid phenomena encountered in real systems. The paper therefore begins with an experimental review of interferometry to assess its applicability as a potential solution to this need. Based on this review, a real time Digital Moire´ Subtraction interferometer is used to measure temperature profiles, and local Nusselt number distributions in two regions of interest: the plume impingement on the ceiling of the enclosure, and the upper corner region of the enclosure. A Mach-Zehnder interferometer is used for the cylinder Nusselt number distribution. Results are compared both qualitatively and quantitatively with a numerical simulation run on a commercial CFD package widely used for electronic system temperature predictions. The paper gives considerable insight into the nature of the enclosure heat transfer and an indication of the accuracy of a widely used predictive code.
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Technical Papers
On the Thermal Interaction Between an Isothermal Cylinder and Its Isothermal Enclosure for Cylinder Rayleigh Numbers of Order
D. T. Newport,
e-mail: david.newport@ul.ie
D. T. Newport
PEI Technologies: Stokes Research Institute, Dept. Mechanical & Aeronautical Engineering, University of Limerick, Limerick, Ireland
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T. M. Dalton,
T. M. Dalton
PEI Technologies: Stokes Research Institute, Dept. Mechanical & Aeronautical Engineering, University of Limerick, Limerick, Ireland
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M. R. D. Davies,
M. R. D. Davies
PEI Technologies: Stokes Research Institute, Dept. Mechanical & Aeronautical Engineering, University of Limerick, Limerick, Ireland
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M. Whelan,
M. Whelan
Institute for Systems, Informatics & Safety, Joint Research Center, European Commission, Ispra, Italy
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C. Forno
C. Forno
Institute for Systems, Informatics & Safety, Joint Research Center, European Commission, Ispra, Italy
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D. T. Newport
PEI Technologies: Stokes Research Institute, Dept. Mechanical & Aeronautical Engineering, University of Limerick, Limerick, Ireland
e-mail: david.newport@ul.ie
T. M. Dalton
PEI Technologies: Stokes Research Institute, Dept. Mechanical & Aeronautical Engineering, University of Limerick, Limerick, Ireland
M. R. D. Davies
PEI Technologies: Stokes Research Institute, Dept. Mechanical & Aeronautical Engineering, University of Limerick, Limerick, Ireland
M. Whelan
Institute for Systems, Informatics & Safety, Joint Research Center, European Commission, Ispra, Italy
C. Forno
Institute for Systems, Informatics & Safety, Joint Research Center, European Commission, Ispra, Italy
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division January 31, 2000; revision received March 8, 2001. Associate Editor: R. W. Douglass.
J. Heat Transfer. Dec 2001, 123(6): 1052-1061 (10 pages)
Published Online: March 8, 2001
Article history
Received:
January 31, 2000
Revised:
March 8, 2001
Citation
Newport, D. T., Dalton , T. M., Davies, M. R. D., Whelan , M., and Forno, C. (March 8, 2001). "On the Thermal Interaction Between an Isothermal Cylinder and Its Isothermal Enclosure for Cylinder Rayleigh Numbers of Order ." ASME. J. Heat Transfer. December 2001; 123(6): 1052–1061. https://doi.org/10.1115/1.1389467
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