As modern electronic devices become more compact and capable, device cooling has become critical not only for the reliability and stability of the electronic circuitry, but also for the comfort of the user. Forced convection can be effective at removing heat to the ambient environment. However, considerable implementation challenges remain for cooling solution thicknesses below 6mm, where the height of rotary fans is a limiting factor. While scaling laws for fans have been previously reported in the literature, the scaling rules for electrohydrodynamic (EHD) air movers have not been widely studied. This paper explores the impact of thickness, width, and input power on pressure and airflow of EHD air movers using coupled-physics modeling, with experimental validation of the results. Device thicknesses were in the 2 to 6mm range, device widths in the 10 to 100mm range, and input powers between 0.25W and 2.5W.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
Scaling Laws for Electrohydrodynamic Air Movers
Nels E. Jewell-Larsen
,
Nels E. Jewell-Larsen
Tessera, San Jose, CA
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Gustavo G. Joseph
,
Gustavo G. Joseph
Tessera, San Jose, CA
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Kenneth A. Honer
Kenneth A. Honer
Tessera, San Jose, CA
Search for other works by this author on:
Nels E. Jewell-Larsen
Tessera, San Jose, CA
Gustavo G. Joseph
Tessera, San Jose, CA
Kenneth A. Honer
Tessera, San Jose, CA
Paper No:
AJTEC2011-44626, T10109; 9 pages
Published Online:
March 1, 2011
Citation
Jewell-Larsen, NE, Joseph, GG, & Honer, KA. "Scaling Laws for Electrohydrodynamic Air Movers." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T10109. ASME. https://doi.org/10.1115/AJTEC2011-44626
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