Abstract
A novel technique for the color visual display of two-dimensional electrostatic fields is described. Temperature-sensitive encapsulated liquid crystals in sheet form are bonded to carbon-impregnated conducting paper on which a prescribed electrode configuration has been painted. The joule heating of the conducting paper creates a non-uniform two-dimensional temperature field to which the liquid crystals respond with color changes. Bands of uniform color identify isotherms which under certain conditions correspond to lines of constant electric field magnitude. The technique is applied to the study of various problems in electrostatics and potential fluid flow.
Published Version
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