A previous study by the authors on fin-shape optimization of a plate fin heat sink has concluded that a depopulated central zone, just under the center of the fan, provides a better thermal performance compared to the heat sink geometries with fin material under the fan. This study extends the previous work by investigating the effect of removal of fin material from the end fins, the total number of fins, and the reduction in the size of the hub fan. From this study, it is concluded that the removal of fin material from the end fins results in a better thermal and hydraulic performance of the heat sink. The reduction in the size of the hub causes a more uniform distribution of air inside the heat sink. The increase in the number of fins indicates a slightly better thermal performance, accompanied by a considerably increased pressure drop. Finally, a new optimal heat sink design has been reported by employing the actual fan operating characteristics.
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December 2006
Research Papers
Optimization Study for a Parallel Plate Impingement Heat Sink
Amit Shah,
Amit Shah
Electronic Speciality Technologies Lab, Electronics Reliability Center of Excellence,
General Electric India Technology Centre Pvt. Ltd.
, Bangalore 560 066, India
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Bahgat G. Sammakia,
Bahgat G. Sammakia
Thomas J. Watson School of Engineering,
Binghamton University
, State University of New York, P.O. Box: 6000, Binghamton, NY 13902-6000
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K. Srihari,
K. Srihari
Thomas J. Watson School of Engineering,
Binghamton University
, State University of New York, P.O. Box: 6000, Binghamton, NY 13902-6000
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K. Ramakrishna
K. Ramakrishna
Fellow ASME
Interconnect Reliability, Austin Silicon Technology Solutions, Technology Solutions Organization,
e-mail: k.ramakrishna@freescale.com
Freescale Semiconductor, Inc.
, 3501 Ed Bluestein Boulevard, Austin, TX 78721
Search for other works by this author on:
Amit Shah
Electronic Speciality Technologies Lab, Electronics Reliability Center of Excellence,
General Electric India Technology Centre Pvt. Ltd.
, Bangalore 560 066, India
Bahgat G. Sammakia
Thomas J. Watson School of Engineering,
Binghamton University
, State University of New York, P.O. Box: 6000, Binghamton, NY 13902-6000
K. Srihari
Thomas J. Watson School of Engineering,
Binghamton University
, State University of New York, P.O. Box: 6000, Binghamton, NY 13902-6000
K. Ramakrishna
Fellow ASME
Interconnect Reliability, Austin Silicon Technology Solutions, Technology Solutions Organization,
Freescale Semiconductor, Inc.
, 3501 Ed Bluestein Boulevard, Austin, TX 78721e-mail: k.ramakrishna@freescale.com
J. Electron. Packag. Dec 2006, 128(4): 311-318 (8 pages)
Published Online: February 6, 2006
Article history
Received:
November 18, 2003
Revised:
February 6, 2006
Citation
Shah, A., Sammakia, B. G., Srihari, K., and Ramakrishna, K. (February 6, 2006). "Optimization Study for a Parallel Plate Impingement Heat Sink." ASME. J. Electron. Packag. December 2006; 128(4): 311–318. https://doi.org/10.1115/1.2351893
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