caa a22 4500 465814018 CHVBK 20180323112122.0 cr unu---uuuuu 170327e19900501xx s 000 0 eng 10.1007/BF01331354 doi (NATIONALLICENCE)springer-10.1007/BF01331354 On the role of stress-induced migration on time-dependent terminal velocities of falling spheres [Elektronische Daten] [V. Ambeskar, R. Mashelkar] There is experimental evidence to suggest that even under steady-state conditions the velocity of solid spheres or bubbles moving through viscoelastic fluids can become time dependent. One of the possible explanations offered for interpreting this phenomenon has been the generation of a polymer depleted layer in the line of passage of the particles, which disappears due to the counterbalancing effect of molecular diffusion in the long range. We have done some careful experiments and measured these concentrations to show that no such depletion layers are formed. Alternative explanations of the phenomenon have been examined and the importance of the possible effects of microstructures generated through temporary associations has been emphasised. Steinkopff, 1990 F alling s pheres nationallicence v iscoelastic f luids nationallicence s tress-induced m igration nationallicence Ambeskar V. National Chemical Laboratory, 411 008, Pune, India aut Mashelkar R. National Chemical Laboratory, 411 008, Pune, India aut Rheologica Acta Steinkopff-Verlag 29/3(1990-05-01), 182-191 0035-4511 29:3<182 1990 29 397 https://doi.org/10.1007/BF01331354 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01331354 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ambeskar V. National Chemical Laboratory, 411 008, Pune, India aut NATIONALLICENCE 700 1- Mashelkar R. National Chemical Laboratory, 411 008, Pune, India aut NATIONALLICENCE 773 0- Rheologica Acta Steinkopff-Verlag 29/3(1990-05-01), 182-191 0035-4511 29:3<182 1990 29 397 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer