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Peculiar features in the rheological behavior of electrorheological suspensions |
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| Authors: | E. V. Korobko Prof. V. E. Dreval Z. P. Shulman V. G. Kulichikhin |
| Affiliation: | (1) Luikov Heat & Mass Transfer Institute, Academy of Sciences, Minsk, Belarus;(2) Institute of Petrochemical Synthesis, Academy of Sciences, Moscow, Russia;(3) Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 117912 Moscow, Russia |
| Abstract: | Studies have been made of concentrated (up to 60%) diatomite suspensions in transformer oil, the structure and theological properties of which depend on an applied electric field. Studies have been conducted of steady-state and transient regimes of straining involving continuous and periodic shear. The structure in such suspensions is formed in the presence of an electric field of 10–3 –102 duration. The suspensions under continuous stationary strain behave as non-Newtonian fluids with a yield stress dependent on electric intensity. Under periodic deformation conditions the test suspensions exhibit elasticity which abruptly diminishes with increasing deformation amplitude. |
| Keywords: | Electrorheological suspensions shear flow periodic deformations |
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