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首页> 外文会议>International conference on environmental and engineering geophysics;ICEEG 2010 >Parameter improvement of cole-cole model for the large dielectric enhancement of rocks
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Parameter improvement of cole-cole model for the large dielectric enhancement of rocks

机译：岩石大介电增强的科尔-科尔模型参数改进

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In order to understand the large dielectric enhancement of rocks at low frequencies, we recur to the previous measurement on dielectric constant and calculate the parameters of Cole-Cole model. The result indicates that the large dielectric enhancement often occurs in water-saturated rocks at very low frequencies. There is a relationship between the enhanced static dielectric constant of water-saturated rocks and that of dried rocks. The electrode polarization may be the main cause of large dielectric enhancement at very low frequencies. The static dielectric constant estimated from Cole-Cole model is affected seriously by pore water and can not represent the dielectric constant of the rocks at low frequencies. We give the enhanced static dielectric constant a new definition and find out a relationship between the enhanced static dielectric constant of wet rocks and the static dielectric constant of the dried rocks.
机译：为了理解岩石在低频下的大介电增强作用，我们回到先前的介电常数测量值，并计算Cole-Cole模型的参数。结果表明，大的介电增强通常发生在非常低​​频率的水饱和岩石中。水饱和岩石和干燥岩石的静态介电常数的增加之间存在关系。电极极化可能是在非常低的频率下大幅提高介电强度的主要原因。由Cole-Cole模型估算的静态介电常数受到孔隙水的严重影响，不能代表低频岩石的介电常数。我们给增强的静态介电常数一个新的定义，并找出湿岩石的增强的静态介电常数与干燥的岩石的静态介电常数之间的关系。

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