NDLI: EHD conduction-driven enhancement of critical heat flux in pool boiling

Content Provider	IEEE Xplore Digital Library
Author	Pearson, M.R. Seyed-Yagoobi, J.
Copyright Year	2011
Description	Author affiliation: Illinois Institute of Technology, 10 W. 32nd Street, Chicago, IL 60616, USA (Seyed-Yagoobi, J.) \|\| United Technologies Research Center, 411 Silver Lane, East Hartford, CT 06103, USA (Pearson, M.R.)
Abstract	When a liquid undergoes pool boiling, there is a critical heat flux level at which the departing vapor bubbles start to inhibit the flow of fresh liquid to the heated surface. A number of methods to enhance the critical heat flux of pool boiling have been considered, including electrohydrodynamic (EHD) enhancement. In these studies, the heater surface has generally been electrically grounded and a high-voltage electrode has been placed a short distance away from the heater surface to create a high intensity field near the heater. The resulting configuration produces a dielectrophoretic force on the vapor bubbles to promote vapor removal. However, the high voltage electrode can also act as a physical barrier to the incoming liquid and the departing vapor. The present study considers a different technique for EHD-enhancement of critical heat flux. EHD conduction-type electrodes are embedded into the heater surface and used to pump liquid along the heated surface. The embedding of this pumping technique into the heater thereby promotes wetting of the surface and subsequently delivers sizeable enhancements to the heat transfer. The effect of a variety of applied voltages on the boiling curve and the critical heat flux point are quantified.
Starting Page	1
Ending Page	8
File Size	1287002
Page Count	8
File Format	PDF
ISBN	9781424494989
ISSN	01972618
e-ISBN	9781424495009
DOI	10.1109/IAS.2011.6074270
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Thermal management Indexes Dielectric liquids Electrohydrodynamics Gravity Dielectric devices
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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