Title :
Bulk electrothermal instabilities in plane liquid layers
Author :
Castellanos, A. ; Pontiga, F.
Author_Institution :
Dept. de Electron. y Electromagn., Sevilla Univ., Spain
Abstract :
The stability of a horizontal layer of a poorly conducting dielectric liquid subjected to the simultaneous action of a unipolar injection of ions and a thermal gradient is studied. Ions arising from injection and dissociation are supposed to have the same nature. Ionic mobility and electric permittivity are allowed to vary linearly with temperature. Special attention is paid to the physical mechanisms responsible for the destabilization of the liquid layer, either as stationary convection or oscillatory motion.<>
Keywords :
convection in liquids; dielectric properties of liquids and solutions; electrohydrodynamics; flow instability; fluid oscillations; temperature distribution; EHD; bulk electrothermal instabilities; destabilization; dissociation; electric permittivity; electrohydrodynamics; ion injection; oscillatory motion; plane liquid layers; poorly conducting dielectric liquid; stability; stationary convection; thermal gradient; Dielectric liquids; Electrodes; Electrothermal effects; Kinetic theory; Permittivity; Resistance heating; Space heating; Temperature; Thermal conductivity; Thermal expansion;
Conference_Titel :
Industry Applications Society Annual Meeting, 1992., Conference Record of the 1992 IEEE
Conference_Location :
Houston, TX, USA
Print_ISBN :
0-7803-0635-X
DOI :
10.1109/IAS.1992.244257
