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Convection in Fluids in Presence of Non-uniform Electric Fields

Haque, M F., and Arajs, S., (1995) Convection in Fluids in Presence of Non-uniform Electric Fields. Jurnal Fizik Malaysia, 16 (3). pp. 109-120. ISSN 0128-0333

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Affiliations

Abubakar Tafawa Balewa University. Dept. of Physics["lib/metafield:join_corp_creators" not defined]Clarkson University.

Abstract

Electroconvective heat transfer coefficients ($h_{e1}$,$q_{e1}$) have been measured in air, liquids (methanol, kerosene, ethanol and distilled water) and a colloidal suspension ($\alpha - Fe_{2}O_3$ in distilled water) from a single platinum wire (diameter 0.025 mm) mounted along the axis of a copper cylinder (diameter = 53 mm). The measurements have been carried out as a function of electric field and orientation in the earth’s gravitational field. A Gaussian distribution of heat transfer profile is noted in air under the influence of dc field, while a minimum in heat transfer profile is noted in an ac field. An inhibition in heat transfer is noted in kerosene and methanol, while an enhancement in heat transfer is noted in ethanol and distilled water. An enhancement in heat transfer coefficient is also noted in colloidal suspension ($\alpha - Fe_{2}O_3$ in distilled water), and is remarkable for pH values largely different from the isoelectric point (i.e.p.).

Item Type:Journal
Additional Information:This note was added by the search_and_modify.pl script.
Subjects:Q Science, Computer Science
ID Code:3739

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