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TECHNICAL NOTES

Transient Double Diffusive Convection in a Vertical Enclosure With Asymmetrical Boundary Conditions

[+] Author and Article Information
S. Mergui, D. Gobin

FAST–UMR CNRS 7608 (Universities Paris VI and Paris XI), Campus Universitaire, Ba⁁timent 502, 91405 Orsay Cedex, France

J. Heat Transfer 122(3), 598-601 (Apr 11, 2000) (4 pages) doi:10.1115/1.1286673 History: Received August 06, 1999; Revised April 11, 2000
Copyright © 2000 by ASME
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References

Turner, J., 1979, Buoyancy Effects in Fluids, Cambridge University Press, Cambridge, UK.
Ostrach,  S., 1980, “Natural Convection With Combined Driving Forces,” Phys-Chem. Hydrodyn., 1, No. 1, pp. 233–247.
Huppert,  H. E., and Turner,  J. S., 1989, “Ice Block Melting Into a Salinity Gradient,” J. Fluid Mech., 100, pp. 367–384.
Bénard,  C., Bénard,  R., Bennacer,  R., and Gobin,  D., 1996, “Melting Driven Thermosolutal Convection,” Phys. Fluids, 8, No. 1, pp. 112–130.
Beckermann,  C., and Viskanta,  R., 1988, “Double Diffusive Convection Due to Melting,” Int. J. Heat Mass Transf., 31, pp. 2077–2089.
Schütz, W., and Beer, H., 1991, “Heat Transfer in Melting of Ice Influenced by Laminar, Double Diffusive Convection With Density Inversion of Water,” in 7th Int. Conf. Num. Methods Thermal Problems, Vol. 7 , Stanford, CA, Pineridge Press, Swansea, UK, p. 144.
Patankar, S., 1980 Numerical Heat Transfer and Fluid Flow, Hemisphere, Washington, DC.
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LeQuéré,  P., 1991, “Accurate Solutions to the Square Thermally Driven Cavity at High Rayleigh Number,” Comput. Fluids, 20, No. 1, pp. 29–41.
LeQuéré, P., 1998, personal communication.
Henkes, R., 1990, “Natural Convection Boundary Layers,” Ph.D. thesis, TU Delft–NL.
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Mergui, S., Joly, D., Feroual, B., Bénard, C., and Gobin, D., 1998 “Experiments on Phase-Change Processes Controlled by Convective Heat and Mass Transfer,” in Modelling, Casting, Welding and Advanced Solidification Processes VIII, TMS Publishers, San Diego, CA, pp. 721–728.

Figures

Grahic Jump Location
Time evolution of the streamlines (a), isotherms (b), and isopleths (c) (A=3,Pr=10,Le=210,RaT=9×105,N=−22)
Grahic Jump Location
Time evolution of the average heat transfer at the cold and hot walls (A=3,Pr=10,Le=210,RaT=9×105)
Grahic Jump Location
Time evolution of the average heat transfer at the cold and hot walls (A=3,Pr=10,Le=210,RaT=2.5×106,N=−8)
Grahic Jump Location
Local Nusselt number distribution at the cold wall along the thermal cell at different times (A=3,Pr=10,Le=210,RaT=9×105,N=−8)
Grahic Jump Location
Time evolution of the average mass transfer at the cold wall (A=3,Pr=10,Le=210,Ras=4.2×109)

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