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TECHNICAL NOTES

Numerical Study of EHD-Enhanced Forced Convection Using Two-Way Coupling

[+] Author and Article Information
M. Huang, F. C. Lai

School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, OK 73019

J. Heat Transfer 125(4), 760-764 (Jul 17, 2003) (5 pages) doi:10.1115/1.1578505 History: Received July 11, 2002; Revised March 17, 2003; Online July 17, 2003
Copyright © 2003 by ASME
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Figures

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A two-dimensional channel with constant wall temperature and one electrode wire located at the center (the shaded area represents the computational domain)
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Flow fields at V0=15 kV and Re=450, (a) τ=55.8, (b) τ=56.4, (c) τ=57.0, (d) τ=57.6, and (e) τ=58.2, (one-way coupling, ΔΨ=0.2)
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Flow fields at V0=15 kV and Re=450, (a) τ=57.9, (b) τ=58.5, (c) τ=59.1, (d) τ=59.7, and (e) τ=60.2, (two-way coupling, ΔΨ=0.2)
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Temperature fields at V0=15 kV and Re=450, (a) τ=55.8, (b) τ=56.4, (c) τ=57.0, (d) τ=57.6, and (e) τ=58.2, (one-way coupling, Δθ=0.1)
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Temperature fields at V0=15 kV and Re=450, (a) τ=57.9, (b) τ=58.5, (c) τ=59.1, (d) τ=59.7, and (e) τ=60.2, (two-way coupling, Δθ=0.1)
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Modification of electric field by air flow, V0=15 kV and ui=5 m/s: (a) charge density, and (b) potential (one-way coupling—solid line, two-way coupling—dashed line)
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Heat transfer enhancement as a function of EHD number: (a) V0=10.0 kV, (b) V0=12.5 kV, (c) V0=15.0 kV, (d) V0=17.5 kV

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