Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"Capacitance Model"”.
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A General Interfacial Capacitance Model for Nanomaterial Supercapacitors: Insights from Computational Quantum Mechanics
… research progress, theoretical and computational models of energy storage devices, such as batteries and supercapacitors, are built upon a foundation that was laid more than 150 years ago. The electrode/electrolyte interface is the region of most interest. This is where charge transfer reactions …
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Hybrid inductive and capacitive wireless power transfer system for future transportation electrification
… to improve their performances. Third, a reduced capacitance model is derived from the existing six capacitance model of bipolar 2x2 matrix configuration which is suitable for large charging area applications like electric vehicle charging. Here, when the separation distance between the same side …
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A Study of Transport of Micellar Fluids in Porous Media
… data from these experiments were analyzed by a capacitance model. The phase dispersivities and dispersion coefficients estimated from the capacitance analysis as a function of phase saturation and velocity are illustrated. Both excess phases (oil and brine) flowing with the microemulsion showed …
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Accurate capacitive metrology for atomic force microscopy
… capacitive measurements use a set of commercial capacitance sensors intended primarily for use against a flat target. In our design, the capacitance sensors are used with a spherical target in order to be insensitive to target rotations. The moving AFM probe tip is located approximately at the …
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Influence of environmental conditions and architectural form on the design and thermal performance of the flat-plate solar collector system.
… and restricted site conditions. A multi-node capacitance model describes the dynamic heat transfer and energy storage processes within the solar collector unit, storage tank and the connecting pipework. This simulation model predicts the dynamic system performance under intermittent solar …
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Quantum capacitance in scaled down III-V FETs
… approach is the relatively small inversion-layer capacitance that is associated with a low-effective mass channel and the limits that this imposes on the gate capacitance that can be attained from barrier thickness scaling. This can seriously limit the current driving ability of scaled down …
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Temperature Prediction in Car Lamps Using Sun Load Data. A simulation model development study for the rear lamps of the Volvo EX90
… conduct an SLD study using a detailed rear lamp model of the Volvo EX90, which also includes the different material properties for each component, such as emissivity, transmittance, reflectivity and absorptivity. The material properties of the different components that make up the lamp will be …
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Dispersive Readout and Spin-State Spectroscopy of Industrially-Fabricated Silicon Quantum Dots
… magnetospectroscopy and by developing a quantum capacitance model for reconstruction of quantum dot energy spectra, I report successive steps of PSB and PSB-lifting involving spin states with total spin angular momentum up to S = 3. More particularly, I discover the formation of a hybridized spin …
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Interwell Connectivity Evaluation from Wellrate Fluctuations: A Waterflooding Managment Tool
… provide a tool for waterflood management. The capacitance model (CM) has been suggested as a phenomenological method to analyze the injection and production data for these purposes. Early studies involving reservoir simulation have shown CM to be a valuable tool but also have revealed several …
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Liquid level measurement using a coplanar transmission line
… assist with the design of the sensor, a lumped capacitance model of the line was developed. Various geometries were tested, and modified until a near linear response to water level was achieved. An advanced engineering model of the level sensor has been developed, which incorporates a stable …
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Sorption of lead and arsenic on soil components and effectiveness of phosphates for remediating lead and arsenic contaminated soils
… there is a need to accurately describe and model the complex natural system. The ability of surface complexation models (SCMs) to fit sets of titration data as a function of changes in model parameters was evaluated using FITEQL and acid base titration of clays coated with Fe and Al hydrous …
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Integrated EMI Filters for Switch Mode Power Supplies
… from those of other components. High-frequency modeling of the integrated structure becomes more essential since the high-frequency performance becomes the major concern. New technology and a new model need to be developed for EMI filter integration. To bridge this gap between existing …
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3D modeling and integration of current and future interconnect technologies
… circuits mostly depends on the interconnect capacitance. So, an accurate model for interconnect capacitance can be used in the circuit CAD (computer-aided design) tools for circuit performance estimation before circuit fabrication which reduces the computational resource requirement as well …
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Graphene Nanotechnology the Next Generation Logic, Memory and 3D Integrated Circuits
… These analyses are done based on the equivalent capacitance model of the device. We have analyze the programming and erasing by the tunneling current mechanism in the proposed graphene-CNT floating gate transistor. In this paper, we have investigated the mechanism of programming current and the …
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Experimental and Analytical Investigation of the Transient Thermal Response of Air Cooled Data Centers
… paves the way for the physics-based lumped-capacitance models. A CFD-based transient simulation of the air temperature field, in which the transient thermal response of the servers was included via user-defined functions failed to predict the time-dependent server inlet temperature with …