Effects of dielectrophoretic transients on stability ofn-pentane and methyl methacrylate have been experimentally studied. Dielectrophoretic transients have been found to demonstrate anomalous effects in methyl methacrylate. The effects are observed both on the application of electric field and its subsequent turning off to zero and are equal in magnitude and direction during both the operations. Results have been explained on the basis of the body forces acting on the dielectric in presence of a non-uniform electric field and a temperature gradient. Heater surface thermodynamics has been studied under controlled temperature and electric field gradients. A striking feature of the experiment is the application of a high voltage directly on the heater surface making the body force calculations more realistic.
Volume 93 | Issue 5
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