This paper presents three mathematical models (Model 1, Model 2-a, Model 2-b) for the thermal design of the vapor chamber. Model 1 is a detailed model, where the equations of continuity, momentum and energy are solved numerically to obtain the velocity, pressure and temperature distributions inside the vapor chamber. Model 2-a and Model 2-b are simplified conduction-based models for the purpose of obtaining the temperature distribution inside the vapor chamber in a shorter time and a lower cost by Microsoft Excel. Model 2-a is a disk-shaped two-dimensional model and the numerical calculation is conducted using one worksheet of Excel. Model 2-b, on the other hand, is constructed in a three-dimensional rectangular coordinate system and Excel VBA Macro is used to obtain the numerical results. The numerical results of Model 2-a and Model 2-b are compared with those of Model 1 and the authors’ previous experimental results, confirming the validity of the present Excel simulation. The mathematical approach with Excel is visual, handy and cost-effective for the thermal design of the vapor chamber.
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ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Electronic and Photonic Packaging Division
ISBN:
978-0-7918-4360-4
PROCEEDINGS PAPER
Mathematical Approaches for Thermal Design of a Vapor Chamber Available to Purchase
Yasushi Koito,
Yasushi Koito
Kumamoto University, Kumamoto, Japan
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Yuta Shiki,
Yuta Shiki
Kumamoto University, Kumamoto, Japan
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Masataka Mochizuki,
Masataka Mochizuki
Fujikura Ltd., Tokyo, Japan
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Shuichi Torii,
Shuichi Torii
Kumamoto University, Kumamoto, Japan
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Toshio Tomimura
Toshio Tomimura
Kumamoto University, Kumamoto, Japan
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Yasushi Koito
Kumamoto University, Kumamoto, Japan
Yuta Shiki
Kumamoto University, Kumamoto, Japan
Masataka Mochizuki
Fujikura Ltd., Tokyo, Japan
Shuichi Torii
Kumamoto University, Kumamoto, Japan
Toshio Tomimura
Kumamoto University, Kumamoto, Japan
Paper No:
InterPACK2009-89279, pp. 535-544; 10 pages
Published Online:
December 24, 2010
Citation
Koito, Y, Shiki, Y, Mochizuki, M, Torii, S, & Tomimura, T. "Mathematical Approaches for Thermal Design of a Vapor Chamber." Proceedings of the ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASME 2009 InterPACK Conference, Volume 2. San Francisco, California, USA. July 19–23, 2009. pp. 535-544. ASME. https://doi.org/10.1115/InterPACK2009-89279
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