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Free convection on a refrigerator’s condenser [PDF]

open access: yesEPJ Web of Conferences, 2014
The paper presents the measurement of heat transfer coefficient for the refrigerator’s condenser in free convection regime. The water was pumped through the steel coils of heat exchanger with a constant flow rate and its temperature was kept at a demanded value by means of ultrathermostat.
T. Orzechowski, K. Stokowiec
openaire   +3 more sources

Destabilization of free convection by weak rotation [PDF]

open access: yesJournal of Fluid Mechanics, 2011
AbstractThis study offers an explanation of the recently observed effect of destabilization of free convective flows by weak rotation. After studying several models where flows are driven by the simultaneous action of convection and rotation, it is concluded that destabilization is observed in cases where the centrifugal force acts against the main ...
A. Yu. Gelfgat   +7 more
openaire   +7 more sources

Free Convection in a Rotating Medium [PDF]

open access: greenThe Physics of Fluids, 1968
Numerical techniques have been used to study natural convection in a fluid subjected to axial rotation. Axisymmetrical flows were studied in two different geometries for a variety of rotational speeds. For case I (R1 = 1.0, R2 = 2.5, H = 3.0), the computed flow patterns were qualitatively compared with those which would be expected from the basic rules
Michael R. Samuels
openaire   +3 more sources

Free convection in liquid gallium [PDF]

open access: yesJournal of Fluid Mechanics, 1997
Free convection in liquid metals is of significant practical interest to the crystal-growing community since the adverse effects of convective instabilities in the melt phase can be frozen into the solid product. Here, we present the results of a combined numerical and experimental study of steady convective flows in a sample of liquid gallium ...
Braunsfurth, MG   +4 more
openaire   +4 more sources

Scale-free convection theory [PDF]

open access: yesProceedings of the International Astronomical Union, 2015
AbstractConvection is one of the fundamental mechanisms to transport energy, e.g., in planetology, oceanography, as well as in astrophysics where stellar structure is customarily described by the mixing-length theory, which makes use of the mixing-length scale parameter to express the convective flux, velocity, and temperature gradients of the ...
Stefano Pasetto   +3 more
openaire   +2 more sources

A free boundary problem for a diffusion–convection equation [PDF]

open access: yesInternational Journal of Non-Linear Mechanics, 2020
One-dimensional free boundary problem for a nonlinear diffusion - convection equation with a Dirichlet condition at fixed face $x=0$, variable in time, is considered. Throught several transformations the problem is reduced to a free boundary problem for a diffusion equation and the integral formulation is obtained.
Briozzo, Adriana C., Tarzia, Domingo A.
openaire   +3 more sources

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