Relevant bibliographies by topics / Debye behaviour

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Debye behaviour'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Debye behaviour"

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Hagopian, Sair, and Scott L. Whittenburg. "Deviations from Stokes-Einstein-Debye behaviour in pyridazine." Journal of Molecular Liquids 45, no. 3-4 (1990): 273–82. http://dx.doi.org/10.1016/0167-7322(90)80035-i.

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Koenderink, G. H., and A. P. Philipse. "On Stokes-Einstein and Debye behaviour in colloidal fluids." Le Journal de Physique IV 10, PR7 (2000): Pr7–295—Pr7–298. http://dx.doi.org/10.1051/jp4:2000759.

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Tripathy, Chinmayee, Devraj Singh, and Rita Paikaray. "Behaviour of elastic and ultrasonic properties of curium monopnictides." Canadian Journal of Physics 96, no. 5 (2018): 513–18. http://dx.doi.org/10.1139/cjp-2017-0491.

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The temperature-dependent elastic and ultrasonic properties of curium monopnictides CmPn (Pn = N, P, As, Sb) have been explored in the present investigation. The second- and third-order elastic constants have been calculated using Coulomb and Born–Mayer potentials using lattice and hardness parameters. Mechanical parameters, such as Young’s modulus, bulk modulus, shear modulus, tetragonal modulus, anisotropic factor, and Poisson’s ratio, have been computed with second-order elastic constants. These materials fulfilled the requirement of the Born stability criterion. The toughness or fracture ratio is found to be more than 0.57 in CmPn, which indicates their brittle nature. In addition, the ultrasonic wave velocity, Debye average velocity, Debye temperature, thermal relaxation time, thermal conductivity, acoustic coupling constant, and ultrasonic attenuation have also been computed along ⟨100⟩, ⟨110⟩, ⟨111⟩ directions at room temperature. The results are discussed in correlation with other similar types of the materials.
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Costa, B. F. O., J. Cieslak, and S. M. Dubiel. "Anomalous behaviour of the Debye temperature in Fe-rich Fe–Cr alloys." Journal of Alloys and Compounds 492, no. 1-2 (2010): L1—L4. http://dx.doi.org/10.1016/j.jallcom.2009.11.067.

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Calderwood, J. H. "On the physical mechanism giving rise to debye behaviour in dielectric media." Journal of Molecular Liquids 49 (September 1991): 119–31. http://dx.doi.org/10.1016/0167-7322(91)80070-k.

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Lehnert, B. "Electron plasma oscillations at arbitrary Debye lengths." Journal of Plasma Physics 45, no. 3 (1991): 407–14. http://dx.doi.org/10.1017/s0022377800015804.

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A solution is presented for electron plasma oscillations in a thermalized plasma, at arbitrary ratios of the Debye length AλD and the perturbation wavelength λ. The limit λD≪λ corresponds to the conventional fluid-like theory of small particle excursions, whereas λD≫λ corresponds to the free-streaming limit of strong kinetic phase mixing due to large particle excursions. A strong large-Debye-distance (LDD) effect already appears when λD ≳ λ. The initial amplitude of the fluid-like contribution to the macroscopic density perturbation then becomes small compared with the contribution from the free-streaming part. As a consequence, only a small fraction of the density perturbation remains after a limited number of kinetic damping times of the free-streaming part. The present analysis can be considered as a first exercise in an attempt to tackle the far more difficult problem of large-Larmor-radius (LLR) effects in a magnetized plasma. The analysis further shows that a representation in terms of normal modes of the form exp (— iωt) leads to amplitude factors of these modes that are related to each other and that depend on the combined free-streaming and fluid behaviour of the plasma. Consequently, these modes are coupled and cannot be treated as independent of each other.
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Righetti, Pier Giorgio, Soffia Magnusdottir, Cecilia Gelfi, and Massimiliano Perduca. "Behaviour of inorganic and organic cations in the Debye–Hückel layer of DNA." Journal of Chromatography A 920, no. 1-2 (2001): 309–16. http://dx.doi.org/10.1016/s0021-9673(01)00695-1.

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Starzonek, Szymon, Sylwester J. Rzoska, A. Drozd-Rzoska, et al. "Fractional Debye–Stokes–Einstein behaviour in an ultraviscous nanocolloid: glycerol and silver nanoparticles." Soft Matter 11, no. 27 (2015): 5554–62. http://dx.doi.org/10.1039/c5sm00266d.

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Feranchuk, I. D., A. A. Minkevich, and A. P. Ulyanenkov. "About non-Gaussian behaviour of the Debye-Waller factor at large scattering vectors." European Physical Journal Applied Physics 24, no. 1 (2003): 21–26. http://dx.doi.org/10.1051/epjap:2003058.

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Jyoti and Rakhee Malik. "Behaviour of TSI in Magnetized Plasmas for different Plasma Oscillation to Debye Wavelength ratio." Journal of Physics: Conference Series 823 (April 19, 2017): 012028. http://dx.doi.org/10.1088/1742-6596/823/1/012028.

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Dissertations / Theses on the topic "Debye behaviour"

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Horsfield, Brendan. "The application of microwave sensing to the measurement of cheese curd moisture." University of Southern Queensland, Faculty of Sciences, 2001. http://eprints.usq.edu.au/archive/00001446/.

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There is a need in the dairy industry for instrumentation capable of providing on-line information about the moisture content of cheese during manufacture. Present measurement techniques are usually performed off-line and can be susceptible to human error. It is demonstrated that microwave-based moisture sensing techniques offer a number of potential advantages over conventional methods due to the strong interaction of microwaves with water. The permittivity of cream cheese curd and low-fat cheddar cheese curd has been measured over a range of frequencies and moisture contents in order to establish the relationship between these variables. A vector reflection coefficient measurement engine based on a six-port reflectometer has been built and tested. A suitable sensing head has been fabricated from a short length of microstrip transmission line. Two sensor characterisation models have been developed and compared with measured data. A novel algorithm has been developed to resolve the ambiguity inherent in many permittivity measurement techniques. It has been discovered that surface waves can propagate on a grounded dielectric slab covered by a material with a higher dielectric constant, provided the loss factor of the covering medium is greater than zero. It has also been found that the dominant mode of microstrip can radiate when the line is covered by a high-permittivity material, although this can be suppressed if the covering material is sufficiently lossy. There are three principal conclusions to draw from the investigation in this thesis. Firstly, changes in the moisture content of cheese curd during manufacture produce measurable variations in permittivity. Secondly, these changes can be measured accurately and cheaply using off-the-shelf microwave hardware. Finally, considerable attention must be paid to the characterisation of the sensing head if the instrument is to achieve its full potential. Promising results have been obtained in this area, however certain issues pertaining to the propagation of multiple dominant modes and higher order modes have not been fully resolved and would repay further theoretical analysis.
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Wang, Peng Siang, and 王鵬翔. "The high temperature Debye behavior of DSSCs with indium-doped ZnO nanostructures." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/zs25fe.

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碩士<br>長庚大學<br>光電工程研究所<br>104<br>Zinc oxide (ZnO) has the unique nature and various application. ZnO is a distinct kind of metal oxide semiconductor with a wide direct-band gap of 3.37 eV and large exciton binding energy (60 meV). Therefore it is appropriate to produce the opto-electronic applications, such as solid state lighting and solar cells. ZnO is the n-type intrinsic semiconductor, so we used the other way to change ZnO optical character by doping. In this experiment, we used the simple hydrothermal method to grow indium-doped ZnO nanostructure on indium tin oxide glass(ITO). Then the sample were respective by immersing in N-719 dye solution and further make the dye-sensitized solar cell application. We analyzed structure, optical characteristics of the ZnO nanomaterials, and its ability to convert solar energy to electrical energy in the DSSC by using the X-ray diffraction (XRD), scanning electron microscope (SEM) and the solar simulator. In addition, we also studied the photovoltaic performances of ZnO nanostructured films in different temperature by using photoluminescence (PL) spectra. We use these measuring instruments to know that the different nano structures will effect different device characteristic, and we analysis Debye temperature to find out how different nsno structure effect different device characteristic.
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Hsiao, Jui Ju, and 蕭瑞儒. "Debye behavior analysis of InGaN/GaN light-emitting diode with multiquantum barrier structures." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/20710028786129825752.

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碩士<br>長庚大學<br>電子工程學系<br>101<br>Major developments in nitride-based semiconductors have led to the commercial production of blue/green multiple-quantum-well (MQW) light-emitting diodes (LEDs). Based on the microscopic thermodynamics, the importance of an alternative perspective on the correlation between the material microstuctures and the device characteristics is incontrovertible. In this work, we systematically analyzed the Debye behaviors of LEDs with different mole fractions of InN in the InGaN/GaN MQB structures, including 0.18, 0.02, 0.01, and 0.005. The photoluminescence spectra and electroluminescence spectra and current-voltage characteristics were measured over a broad range of temperatures. According to the continuum model, the Debye temperature were obtained for the LEDs with different MQBs by fitting the universal Bloch-Grueneisen curve. The specific heat contributed by the acoustic phonons were considerable agreement with the temperature-dependent line broadenings.
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Iwanowski, Ireneusz. "Critical Behavior and Crossover Effects in the Properties of Binary and Ternary Mixtures and Verification of the Dynamic Scaling Conception." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-000D-F132-2.

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Books on the topic "Debye behaviour"

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Sukava, A. John. Extreme-dilution behavior of electrolytes: Failure of the Debye-Huckel limiting law. Sukava, 1995.

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Kachelriess, Michael. Thermal field theory. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198802877.003.0015.

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After a review of the calculational approaches, the free energy of scalar particles in thermal equilibrium is calculated. The IR behaviour of mass-less scalar fields is examined, finding that a resummation of IR divergent terms is necessary. In general, particles acquire a temperature-dependent (Debye) mass, while symmetries of the Lagrangian may be hidden at low temperatures. In an appendix, the basics of equilibrium statistical physics is reviewe
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Book chapters on the topic "Debye behaviour"

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Rullière, C., A. Declémy, and Ph Kottis. "Time-Dependent Fluorescence Shift in Alcoholic Solvents: A Non-Debye Behaviour Related to Hydrogen Bonds." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82918-5_84.

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Oughstun, Kurt Edmund. "Dynamical Behavior of the Brillouin Precursor in Rocard-Powles-Debye Model Dielectrics." In Ultra-Wideband, Short-Pulse Electromagnetics 7. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-37731-5_8.

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Conference papers on the topic "Debye behaviour"

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Bharti, Ram P., Dalton J. E. Harvie, and Malcolm R. Davidson. "Fully Developed Flow of Power-Law Fluid Through a Cylindrical Microfluidic Pipe: Pressure Drop and Electroviscous Effects." In ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55128.

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Pressure drop and electroviscous effects in the axisymmetric, steady, fully developed, pressure-driven flow of incompressible power-law fluids through a cylindrical microchannel at low Reynolds number (Re = 0.01) have been investigated. The Poisson-Boltzmann equation (describing the electrical potential) and the momentum equations in conjunction with electrical force and power-law fluid rheology have been solved numerically using the finite difference method. The pipe wall is considered to have uniform surface charge density (S = 4) and the liquid is assumed to be a symmetric electrolyte solution. In particular, the influence of the dimensionless inverse Debye length (K = 2, 20) and power-law flow behaviour index (n = 0.2, 1, 1.8) on the EDL potential, ion concentrations and charge density profiles, induced electrical field strength, velocity and viscosity profiles and pressure drop have been studied. As expected, the local EDL potential, local charge density and electrical field strength increases with decreasing K and/or increasing S. The velocity profiles cross-over away from the charged pipe wall with increasing K and/or decreasing n. The maximum velocity at the center of the pipe increases with increasing n and/or increasing S and/or decreasing K. The shear-thinning fluid viscosity is strongly dependent on K and S, whereas the shear-thickening viscosity is very weakly dependent on K and S. For fixed K, as the fluid behaviour changes from Newtonian (n = 1) to shear-thinning (n &amp;lt; 1), the induced electrical field strength increases and maximum velocity reduces. On the other hand, the change in fluid behaviour from Newtonian (n = 1) to shear-thickening (n &amp;gt; 1) decreases the electrical field strength and increases the maximum velocity. The non-Newtonian effects on maximum velocity and pressure drop are stronger in shear-thinning fluids at small K and large S, the shear-thickening fluids show opposite influence. Electroviscous effects enhance with decreasing K and/or increasing S. The electroviscous effects show complex dependence on the non-Newtonian tendency of the fluids. The shear-thickening (n &amp;gt; 1) fluids and/or smaller K show stronger influence on the pressure drop and thus, enhance the electroviscous effects than that in shear-thinning (n &amp;lt; 1) fluids and/or large K where EDL is very thin.
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Zhang, Yuanyuan, Kangning Wu, Chun Zhao, Jiao Xiang, Jianying Li, and Shengtao Li. "Non-debye dielectric behavior of aged XLPE cable insulation." In 2018 12th International Conference on the Properties and Applications of Dielectric Materials (ICPADM). IEEE, 2018. http://dx.doi.org/10.1109/icpadm.2018.8401040.

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Liang, Zhi, and Hai-Lung Tsai. "Effect of Interlayer Between Semiconductors on Interfacial Thermal Transport." In ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/mnhmt2012-75273.

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Due to the high surface–to–volume ratio in nanostructured components and devices, thermal transport across the solid–solid interface strongly affects the overall thermal behavior. Materials such as Si, Ge, SiO2 and GaAs are widely used in advanced semiconductor devices. These materials may have differences in both crystal structure and Debye temperature. We have shown that the thermal transport across such interfaces can be improved by inserting an interlayer between the two confining solids. If the two confining solids are similar in crystal structure and lattice constant but different in Debye temperature, it is predicted from the molecular dynamics modeling that an over 50% reduction of the thermal boundary resistance can be achieved by inserting a 1– to 2–nm–thick interlayer which has similar crystal structure and lattice constant as the two solids. In this case, the Debye temperature of the optimized interlayer is approximately the square root of the product of the Debye temperatures of the two solids. However, if the interlayer has large lattice mismatches with the two confining solids, a thin disordered layer is formed in the solid and in the interlayer adjacent to their interface. Such a disordered layer can distort the phonon density of states at the interface and strongly affects the interfacial phonon transport. In this case, it is found that a 70% reduction of the thermal boundary resistance can be achieved if the lattice constant of the interlayer is smaller than that of the two solids and the Debye temperature of the interlayer is approximately the average of the Debye temperatures of the two solids. On the other hand, if the two solids have a large difference in both lattice constant and Debye temperature, the optimized interlayer should have a lattice constant near the average of the lattice constants of the two solids. For this case, an over 60% reduction of the thermal boundary resistance can be achieved if the Debye temperature of the interlayer is equal to or slightly higher than the square root of the product of the Debye temperatures of the two solids. The calculated phonon density of states shows that the distorted phonon spectra induced by large lattice mismatches are generally broader than the phonon spectra of the corresponding undistorted case. The broader interfacial phonon spectra increase the overlap between the phonon spectra of the two solids at the interface which leads to improved thermal boundary transport.
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Zakeri, Ramin, Eon Soo Lee, and Mohammad Reza Salimi. "LBM Simulation of Electro-Osmotic Flow (EOF) in Nano/Micro Scales Porous Media With an Inclusive Parameters Study." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37831.

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In this paper, we present our results about simulation of 2D-EOF in Nano/Micro scales porous media using lattice Boltzmann method (LBM) in micro-channel for EOF. The high efficient numerical code use strongly high nonlinear Poisson Boltzmann equation to predicate behavior of EOF in complex geometry. The results are developed with precisely investigation of several effective parameters on permeability of EOF, such as geometry (channel height and number and location of charge), external electric field, thickness of Debye length (ionic concentration), and zeta potential. Our results are in excellent agreement with available analytical results. Our results show that for certain external electric field, zeta potential and porosity, there is an optimal Kh parameter (ionic concentration and channel height in this study) for velocity profiles. Based on the current study, homogenous zeta potential distribution on solid porous media, zeta potential and thickness of Debye length (Kh parameter) can dramatically affect on EOF permeability linearly or non-linearly, depend on amount of quantities. Thus, different arrangements are also considered. We show that prediction of EOF behavior in complex geometry with regarding role of effective parameters is completely possible for various applicable conditions.
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Ambrosio, Leonardo A., and Hugo E. Hernandez-Figueroa. "Emphasizing the metamaterial behavior of the Mie scattering coefficients and Debye series for negative refractive index spherical particles." In Days on Diffraction 2011 (DD). IEEE, 2011. http://dx.doi.org/10.1109/dd.2011.6094358.

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Babaie, Ashkan, Arman Sadeghi, and Mohammad Hassan Saidi. "Thermal Transport Characteristics of Non-Newtonian Electroosmotic Flow in a Slit Microchannel." In ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2011. http://dx.doi.org/10.1115/icnmm2011-58011.

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Electroosmosis has many applications in fluid delivery at microscale, sample collection, detection, mixing and separation of various biological and chemical species. In biological applications, most fluids are known to be non-Newtonian. Therefore, the study of thermal features of non-Newtonian electroosmotic flow is of great importance for scientific communities. In the present work, the fully developed electroosmotic flow of power-law fluids in a slit microchannel is investigated. The related equations are transformed into non-dimensional forms and necessary changes are made to adapt them for non-Newtonian fluids of power-law model. Results show that depending on different flow parameters like Debye-Hu¨ckel or related viscous dissipation and Joule heating parameters, non-Newtonian characteristics of the flow may lead to significant deviations from Newtonian flow behaviors.
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Zakeri, Ramin, and Eon Soo Lee. "Similar Region in Electroosmotic Flow Rate for Newtonian and Non-Newtonian Fluids Using Dissipative Particle Dynamics (DPD)." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37836.

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In this paper, analysis of electroosmotic flow in Newtonian and non Newtonian fluids in nanochannel with dissipative particle dynamics (DPD) method is presented and our results are validated with analytical solutions. Our aim is that which region or regions, based on the volumetric flow rates, in non-Newtonian fluids are similar with comparison to Newtonian ones in regards to various effective EOF parameters. For numerical simulation, the linearized Poisson Boltzmann for external force calculation is used and DPD method is applied for power law fluids to predict non-Newtonian fluids behavior in electroosmotic in various conditions such as different zeta potential, external electric fields, kh parameter (mainly Debye length and channel height), and flow behavior index. Based on the our results, for certain values of effective parameters, there are regions for volumetric flow rates which both Newtonian and non Newtonian electroosmotic flows have similar behavior while out of these regions, there are obviously significant differences and it is not possible to take Newtonian assumption for these regions. Based on our results validated with analytical solution, simplified assumption of taking non Newtonian fluid as Newtonians ones, in different EOF conditions in most cases, have a clearly inaccuracy and presented method can predict which EOF rates in both cases are correctly similar.
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Haschka, Markus, and Volker Krebs. "A Direct Approximation of Cole-Cole-Systems for Time-Domain Analysis." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84579.

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Cole-Cole-systems are important in electrochemistry to represent impedances of galvanic elements like fuel cells. Fractional calculus has to be applied for system analysis of Cole-Cole-systems in the time-domain. The representation of fractional differential equations of Cole-Cole-systems is addressed in this contribution. Usually, the fractional derivation is approximated, to ensure that the fractional system can be represented by conventional differential equations of an integer order. This article presents a new opposite approach, which results by direct approximation of the Cole-Cole-systems by conventional linear time invariant systems. The method considered is based on the distribution density function of relaxation times of first order Debye-processes. This distribution density is an alternative representation of the transfer behavior of such a system. Several approximation methods, based on an analysis of the distribution density, are presented in this work. The feasibility of these methods will be demonstrated by a comparison of simulated data of the approximation models to ideal data and reference values, respectively.
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Hossain, Muhammad E., Shuangyi Liu, Jackie Li, and Stephen O’Brien. "Frequency Dependent Dielectric Properties of BT/Parylene Nanocomposites for Energy Storage Applications." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89552.

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With climbing worldwide oil prices and global warming, energy crisis poses a threat to living standards, economy, and even global environment. Nanodielectrics become one of the new materials activated to play a unique role in sustainable and clean energy production, energy transportation, energy storage, and end usage. Based on our recent research on frequency-dependent dielectric properties of BaTiO3 (BT) single domain, BT/parylene nanodielectric composites have been examined in wide-ranging frequency at room temperature by several theoretical models. The projected models combined with Debye type of dissipation and soft mode theory to obtain more precise frequency dependent dielectric spectrum. Among the others, Wiener mixture rule, Lichtnecker model, Rayleigh model, Yamada rule, Maxwell-Wagner model, modified Kerner model were used to find frequency dependent nanocomposites dielectric spectrum. The predicted results are compared with our experimental results and explored the frequency dependent dielectric behavior of nanodielectric composites. The dielectric constant decreases while dielectric loss increases with increasing frequency due to at very high frequency, only electronic polarization can occur. This investigation provides the fundamental knowledge on dielectric properties of nanocomposites with a wide frequency range instead of trial-and-error strategy of experiments for the future development of energy storage devices.
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Zakeri, Ramin, and Eon Soo Lee. "Simulation of Nano Polymer Chain Sensor in Electroosmotic Flow Using Dissipative Particle Dynamics (DPD) Method." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37840.

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In this paper, we simulate the inflation of fixed two ends polymer chain curvature as nano sensor in EOF which it provides a porous media for DPD (dissipative particles dynamics) solvent particles and inflation is resulted. Particles are driven by electroosmotic flow in nanochannel which is as an external force in DPD algorithm and part of particles should move through a non-charged polymer chain which they affect on curvature of polymer chain. Our results for simple nanochannel in EOF are validated with analytical results and we have developed our results when a fixed two ends polymer chain subject in nanochannel as nano sensor in both cases including simple and stenosis nanochannel. Amount of inflation (displacement) of fixed two ends polymer chain is related to electroosmotic forces and interaction between particles. Our aim is that a relation between effective parameters in electroosmotic flow such as electric field, zeta potential, kh parameters and amount of inflation in polymer chain curvature (interaction between particles) is provided for each test case. Based on our results, there is a linear relation between some parameters such as external electrical field, zeta potential and kh parameters (effect of Debye length and channel height) in low electrosmotic forces but non-linear behavior is observed for high electroosmotic forces especially for stenosis channel case. This study opens some new way toward designing proper nano EOF sensors to measure flow characteristics in EOF applications.
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