The active cooling substrate in this study is a microelectromechanical system device that implements the synthetic jet concept into a printed wiring board (PWB) to enhance thermal management. Synthetic jets are oscillatory jets synthesized from the surrounding fluid using electromagnetic actuators. The jet fluid mechanics and heat transfer applications have been investigated by a variety of on-board (PWB) fluidic structures. A testbed comprising six different fluidic channels has been fabricated and characterized with a standard silicon based platinum heater. Based on the fluid mechanics measurements and cooling performance tests, an empirical correlation of synthetic jet Nusselt number with its Reynolds number, fluidic channel dimensions, and jet locations has been derived. Through a magnitude analysis, jet actuator diaphragm, fluidic channel dimension, and cooling location optimizations have been investigated.
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December 2006
Research Papers
Optimization of Synthetic Jet Fluidic Structures in Printed Wiring Boards
Yong Wang,
Yong Wang
School of Chemical & Biomolecular Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
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Guang Yuan,
Guang Yuan
School of Electrical and Computer Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
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Yong-Kyu Yoon,
Yong-Kyu Yoon
School of Electrical and Computer Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
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Mark G. Allen,
Mark G. Allen
School of Electrical and Computer Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
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Sue Ann Bidstrup
Sue Ann Bidstrup
School of Chemical & Biomolecular Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
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Yong Wang
School of Chemical & Biomolecular Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
Guang Yuan
School of Electrical and Computer Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
Yong-Kyu Yoon
School of Electrical and Computer Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
Mark G. Allen
School of Electrical and Computer Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100
Sue Ann Bidstrup
School of Chemical & Biomolecular Engineering,
Georgia Institute of Technology
, Atlanta, GA 30332-0100J. Electron. Packag. Dec 2006, 128(4): 353-359 (7 pages)
Published Online: February 20, 2006
Article history
Received:
May 12, 2005
Revised:
February 20, 2006
Citation
Wang, Y., Yuan, G., Yoon, Y., Allen, M. G., and Bidstrup, S. A. (February 20, 2006). "Optimization of Synthetic Jet Fluidic Structures in Printed Wiring Boards." ASME. J. Electron. Packag. December 2006; 128(4): 353–359. https://doi.org/10.1115/1.2351900
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