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Natural convection near \(4^ oC\) in a horizontal water layer heated from below. (English) Zbl 0548.76069
A numerical study of two-dimensional natural convection in a horizontal water layer heated from below is reported. The density maximum associated with water at \(3.98^ oC\) and atmospheric pressure occurs inside the layer, as the top surface is maintained at \(0^ oC\) while the bottom surface temperature varies in the range \(4^ oC-10^ 0C\). Three separate series of numerical simulations document the effect of Rayleigh number, bottom wall temperature and layer horizontal length on the flow pattern and on the net heat transfer rate vertically through the layer.

MSC:
76R10 Free convection
76M99 Basic methods in fluid mechanics
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