Measurements of the Dielectric Constant of Saturated Liquid Oxygen

  • B. A. Younglove
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 15)


Accurate values of the dielectric constant of saturated liquid oxygen are presented and are combined with Weber’s values of the densities of liquid oxygen [1,2] (also measured at this laboratory) to produce values for the Clausius-Mossotti function or “polarizability”
$$p = \frac{{\varepsilon - 1}}{{\varepsilon + 2}}\left( {\frac{1}{\rho }}\right)$$
where ρ is the density and ε the dielectric constant. The polarizability is of practical significance as it is a much more slowly varying function of density than the dielectric constant and consequently is useful as an interpolating and extrapolating function. Aside from this, the polarizability is of interest from a theoretical point of view [3], especially as to its density dependence. In making measurements on the saturation curve, as contrasted to measurements in the compressed liquid, one can observe the effect of a wide range of densities on the polarizability, while incurring only a modest pressure change.


Dielectric Constant Dielectric Measurement Outer Cylinder Supporting Post Liquid Oxygen 
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Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • B. A. Younglove
    • 1
  1. 1.NBS Institute for Basic StandardsBoulderUSA

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