Abstract
WE have observed that certain liquids, for example, xylene (a mixture of ortho-, para- and meta-), ethyl ether, ethyl alcohol and benzene show very small yet distinct decreases in the values of their dielectric constants when they are flowing through condenser plates of small separations. With a given separation the amount of change is found to increase with the rate of flow of the liquid. A typical graph showing the variations in the dielectric constant of a freshly distilled sample of xylene (a mixture of ortho-, para- and meta-) with flow under the pressure of different heights of the liquid is given in the accompanying graph. The temperature of the xylene remained practically constant at 24.0° C. throughout the experiment.
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Prasad, S. P., and Vanna, M. N., Z. Phys., 99, 552 (1936).
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PRASAD, S., SINGH, B. & SINGH, B. Effect of Flow on the Dielectric Constant of Liquids. Nature 147, 712 (1941). https://doi.org/10.1038/147712a0
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DOI: https://doi.org/10.1038/147712a0
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