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On convection with nearly insulating boundaries in a low Prandtl number fluid

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Summary

For the Prandtl numberP in the rangeP ≪ β1/3 ≪ 1 (β is the ratio between the thermal conductivities of the boundary and of the fluid) two-dimensional rolls are preferred in contrast to square-pattern convection that represents the preferred stable convection in the rangeP ≫ β1/3.

Zussammenfasung

Für PrandtlzahlenP, die der RelationP ≪ β1/3 ≪ 1 genügen (\ ist das Verhältnis zwischen den thermischen Leitfähigkeiten der Wand und des Fluid), sind zweidimensionale Rollen bevorzugt im Gegensatz zur quadratartigen Konvektion, welche die bevorzugte stabile Konvektionsform im BereichP ≫ β1/3 darstellt.

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References

  1. F. H. Busse andN. Riahi,Nonlinear Convection in a Layer with Nearly Insulating Boundaries, J. Fluid Mech. in press, (1979).

  2. A. Schlüter, D. Lortz andF. Busse,On the Stability of Steady Finite Amplitude Convection, J. Fluid Mech.23, 129–144 (1965).

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Riahi, N. On convection with nearly insulating boundaries in a low Prandtl number fluid. Journal of Applied Mathematics and Physics (ZAMP) 31, 261–266 (1980). https://doi.org/10.1007/BF01590751

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  • DOI: https://doi.org/10.1007/BF01590751

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