CLC number: TU4
On-line Access: 2008-01-06
Received: 2007-12-12
Revision Accepted: 2007-12-20
Crosschecked: 0000-00-00
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Ren-peng CHEN, Yun-min CHEN, Wei XU, Zhi-gang LIANG, Wei FENG. A new equation for dielectric permittivity of saturated soils based on polarization mechanics[J]. Journal of Zhejiang University Science A, 2008, 9(3): 293-302.
@article{title="A new equation for dielectric permittivity of saturated soils based on polarization mechanics",
author="Ren-peng CHEN, Yun-min CHEN, Wei XU, Zhi-gang LIANG, Wei FENG",
journal="Journal of Zhejiang University Science A",
volume="9",
number="3",
pages="293-302",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A071620"
}
%0 Journal Article
%T A new equation for dielectric permittivity of saturated soils based on polarization mechanics
%A Ren-peng CHEN
%A Yun-min CHEN
%A Wei XU
%A Zhi-gang LIANG
%A Wei FENG
%J Journal of Zhejiang University SCIENCE A
%V 9
%N 3
%P 293-302
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071620
TY - JOUR
T1 - A new equation for dielectric permittivity of saturated soils based on polarization mechanics
A1 - Ren-peng CHEN
A1 - Yun-min CHEN
A1 - Wei XU
A1 - Zhi-gang LIANG
A1 - Wei FENG
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 3
SP - 293
EP - 302
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A071620
Abstract: Based on polarization mechanisms, such as electronic, ionic and orientational polarizations, a new equation for dielectric permittivity of soil is proposed to interpret the dielectric behavior of a mixture like soil, in terms of polarization process of its components and the interactions between its components. The dielectric permittivity is expressed in terms of a frequency-dependent part and a frequency-independent part. These two parts correspond to polarizations occurred at different frequency range. It is a new volumetric mixing model with theoretical background. Based on time domain reflectometry (TDR) measurements of saturated soil samples and test data from literature, comparisons of this model with some well established mixing models show that the curves for saturated sand soils and slurries resulted from the new equation, which agree well with TDR measurements, are close to those calculated from Birchak’s model.
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