Dependence of the Soret coefficient on the mass fraction of water in water/isopropanol binary mixture.
Soret effect and diffusion in liquid mixtures: experimental scenario. The temperature fields are shown by shadows.
Geometry of the problem.
Dependence of (a) the concentration profile (local characteristic) and (b) the Soret separation (integral characteristic) on the space and time steps; (a) MSL results, (b) LSR results. Test 1.
(Color online) Benchmark tests.
Isolines of steady-state temperature and concentration in the vertical midplane ; test 1: static gravity, .
(a) Temperature and (b) concentration profiles in the direction of applied when . Dotted line in graph (a) corresponds to a linear profile. Test 1.
Time evolution of the Soret separation, , corresponding to different gravity levels with , , .
Dependence of the steady-state Soret separation, , on the gravity level when , .
Time evolution of the velocity, temperature, and concentration at point ; dotted line when . Test 2: Pure oscillatory perturbations with .
Time evolution of the Soret separation; test 2: pure oscillatory perturbations with .
Test 4. Time evolution of the velocity, temperature, and concentration at point near the hot wall (solid lines). The dashed line shows signals near the cold wall at point .
Time evolution of the Soret separation; test 4: pure oscillatory perturbations with .
Snapshots of isotherms of the temperature deviations from linear profile at the time moments marked in Fig. 12: (a) , (b) ; test 4.
Test 4: Phase planes of the mass fraction obtained by different teams. (a) MSL, (b) YS, (c) LSR.
Physical properties of a binary mixture.
Influence of the time and space steps on iterations number (YS team). Test 1.
Tests cases. The residual gravity is shown in dimensional and in dimensionless (Gr, ) values.
Test 1. Benchmark results.
Test 2. Benchmark results.
Test 3. Benchmark results.
Amplitudes of oscillations of different quantities. Comparison of different tests.
Test 4. Benchmark results.
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