scholarly journals Experimental Study of Thermal Convection in a Cylindrical Layer with a Longitudinal Partition at Modulated Rotation

2021 ◽  
Vol 1945 (1) ◽  
pp. 012061
Author(s):  
A A Vjatkin ◽  
V G Kozlov ◽  
R R Sabirov
2021 ◽  
Vol 2057 (1) ◽  
pp. 012041
Author(s):  
V I Valiullina ◽  
A I Mullayanov ◽  
A A Musin ◽  
L A Kovaleva

Abstract Experimental studies of the gravitational deposition of a polydisperse water-in-oil emulsion under heat influence are carried out. When the rate of thermal convection exceeds the rate of precipitation, partial delamination of the emulsion is found to occur. The viscosity of the dispersion medium decreases with increasing temperature, which contributes to an increase in the deposition rate of water droplets in the emulsion. In the presence of a temperature difference, convective flows occur in the liquid, while the drops of the emulsion coagulate and form larger agglomerates that settle faster to the bottom of the cell.


MethodsX ◽  
2019 ◽  
Vol 6 ◽  
pp. 2420-2428 ◽  
Author(s):  
Viktor G. Kozlov ◽  
Alexei A. Vjatkin ◽  
Rustam R. Sabirov ◽  
Vladimir M. Myznikov

Volume 1 ◽  
2004 ◽  
Author(s):  
F. Sa´nchez ◽  
A. Medina ◽  
F. J. Higuera

We present a theoretical and experimental study of the thermal convection in a fluid-filled, tilted cylindrical cavity and in a fluid-saturated porous medium filling a cylindrical cavity embedded in a solid slab (solid rock) which has a constant vertical temperature gradient far from the cavity. Closed-form, analytical solutions are obtained for the temperature field in the solid and for the velocity, temperature and pressure within the cavity.


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