Sample ∆ρ, g/cm3 ∆η, mm2/s Sf(experimental) Sf (1) Sf (2) 100%a 0.206 1.27 0.95 0.91 0.89 60%a + 40% 0.161 5.33 0.57 0.53 0.52 100%b 0.094 51.4 0 0.01 0 Fraction 320-340 0.137 13.9 0.09 0.12 0.13 Tengizskaya oil - a, residual fuel oil – b

Table 4: Experimental and theoretical Sf values at ω = 750 rpm and F = 1 mL/min.