Journal ArticleDOI
Dielectric Properties of Ice and Solid D2O
Robert P. Auty,Robert H. Cole +1 more
TLDR
In this article, complex dielectric constants have been measured for ice from the melting point to −65°C and for solid D2O to −35°C, by a combination of bridge and transient methods.Abstract:
Complex dielectric constants have been measured for ice from the melting point to −65°C, and for solid D2O to −35°C, by a combination of bridge and transient methods. For both, the dispersion is described by the simple Debye formula, and the relaxation times τ by the simple rate expression τ = A exp(B/RT). For ice, A = 5.3×10−16 sec, B = 13.2 kcal/mole; and for solid D2O, A = 7.7×10−16 sec, B = 13.4 kcal/mole. The equilibrium dielectric constant for ice is 91.5 at 0°C and increases at lower temperatures; the values for solid D2O are only slightly smaller. Measures taken to minimize errors from voids in the sample and direct current conductance are discussed.read more
Citations
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Dissertation
Durabilité sous percolation et/ou cristallisation confinée en milieu poreux
TL;DR: On aborde quelques problemes de durabilite poses par l'utilisation de geomateriaux en genie civil dans lesquels interviennent de forts couplages thermo-hydro-physico-chimio-mecaniques.
Journal ArticleDOI
Electromagnetism based atmospheric ice sensing technique - A conceptual review
TL;DR: In this article, a review of the dielectric based measurement techniques for matter and its properties of ice is presented, where the authors use both the reflection and transmission characteristics of atmospheric ice in a particular frequency range to determine the desired parameters such as thickness and strength.
Electric properties of ice near solidification and melting temperature
TL;DR: In this paper, the dielectric permittivity, conductivity and loss tangent of ice were measured for different thicknesses of the sample (0.1-4 mm) and the measurements were carried out from 3.5 to 13.5°C with descending and growing temperature.
Journal ArticleDOI
The dielectric properties of unfrozen water in carp myofibrils under frozen conditions
TL;DR: In this paper, the dielectric properties of carp myofibrils in the presence and absence of electrolytes under frozen conditions were measured, and it was shown that unfrozen water is "unfreezable water" and corresponds to monolayer water.
Journal ArticleDOI
Proton Jumps and the Electrical Behavior of Ice and Ice‐NH4F Solutions
TL;DR: In this article, the role of ions in dielectric relaxation in ice was investigated and it was shown that solute ions can accelerate the rotation of ice molecules at a distance of 30 A or more from any ion.
References
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Journal ArticleDOI
The Dielectric Polarization of Polar Liquids
TL;DR: In this paper, an extension of the Onsager theory of dielectric polarization is presented, which is applied to liquid water under the assumption of tetrahedral coordination and directed bonds between neighboring molecules.
Journal ArticleDOI
A Wide Range Capacitance‐Conductance Bridge
Robert H. Cole,Paul M. Gross +1 more
TL;DR: In this paper, the authors describe a bridge for reasonably accurate measurement by direct balance of capacitance and conductance in the frequency range 50 c/sec. to 5 cm/sec., and over most of this range is essentially direct reading in the two admission components with negligible unbalance from lead effects or guard circuits of the unknown.
Journal ArticleDOI
A Calculation of the Static Dielectric Constant of Ice
TL;DR: In this article, a calculation of the static dielectric constant of ice using only simple molecular data and with well-defined assumptions as to the possibilities of molecular movement in the crystal is presented.
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