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TECHNICAL PAPERS: Natural and Mixed Convection

Effects of a Magnetic Modulation on the Stability of a Magnetic Liquid Layer Heated From Above

[+] Author and Article Information
Saı̈d Aniss, Mohamed Belhaq

Faculté des Sciences Aı̈n chock, UFR de Mécanique, BP 5366 Maa⁁rif, Casablanca, Morocco

Mohamed Souhar

Lemta-Ensem, UMR 7563, 2 avenue de la Fore⁁t de Haye, BP 160, Vandoeuvre 54504, France

J. Heat Transfer 123(3), 428-433 (Jan 03, 2001) (6 pages) doi:10.1115/1.1370501 History: Received December 15, 1999; Revised January 03, 2001
Copyright © 2001 by ASME
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References

Figures

Grahic Jump Location
Free-Free case: Critical magnetic Rayleigh number, Rmoc, (solid line) and critical wave number, qc, (dashed line) versus the dimensionless frequency, Ω, for Pr=7,fm=10−4 and χo=∞. H: harmonic solutions. SH: subharmonic solutions.
Grahic Jump Location
Rigid-Rigid case: Stationary convection threshold of the unmodulated case: critical magnetic Rayleigh number, Rmc, versus the ratio of the magnetic and gravitational forces, M1o=3 (solid line), χo=100 (dashed line).
Grahic Jump Location
Rigid-Rigid case: Critical magnetic Rayleigh number, Rmoc, (solid line) and critical wave number, qc, (dashed line) versus the dimensionless frequency, Ω, for Pr=7,fm=10−4 and χo=3.H: harmonic solutions. SH: subharmonic solutions.

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