WebCurve-fitting means the determination of the set of parameters that best fit the input data set as expressed by a given function that is usually non-linear. The paper addresses the curve fitting of Debye and Cole–Cole models to a dielectric permittivity spectrum. The success of a nonlinear curve fit heavily depends on the choice of the algorithm and how … WebThe new effective medium models proposed in this paper predict the individual relaxation Debye parameters based on the cooperative motion dynamics and self-associative …
Non-Debye relaxations: Smeared time evolution, memory effects…
WebOct 1, 1999 · The Debye model is frequently used to explain the dielectric behaviour of materials. A good description of the experimental results is often obtained by using a distribution of relaxation times. In this work, it is proposed to extend the Debye model to the depolarisation of two or more types of dipoles occurring simultaneously. WebJun 14, 2016 · The presence of non-Debye type of relaxation has been confirmed by the complex modulus analysis. AC more » conductivity exhibits two conduction mechanisms: at high temperature, a translational motion with a sudden hopping and at low temperature, a localized hopping with a small hopping or reorientational motion. high top wallabees
Debye and non-Debye relaxation - IOPscience
WebDebye Relaxation Model MSE/EE 590 Discussion 1 Pressure Broadening and Debye’s Relaxation Equation P. Debye, Polar Molecules, The Chemical Catalog Company, Inc., New York, 1929. Section 18, pp. 89-95. Polar Liquids under the Influence of High Frequencies A. R. von Hippel, Dielectrics and Waves, Chapman & Hall, Ltd., New York, … WebThe Cole–Cole equation is a relaxation model that is often used to describe dielectric relaxation in polymers . where is the complex dielectric constant, and are the "static" and "infinite frequency" dielectric constants, is the angular frequency and is a time constant. The exponent parameter , which takes a value between 0 and 1, allows the ... WebBy extending the Debye and Wirtz treatments to the case where the frictional force opposing rotation of the molecule differs from that of the bulk liquid, the relaxation time (τ) is found to depend non-linearly upon the macroscopic viscosity (η).The resulting expression is of the form τ=τ′η/(η+η′).When η η′ it reduces to a Debye-like equation but when η increases τ … high top waterproof shoes