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 20 of 174 for “"System Size"”.
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Cogeneration system size optimization and return on investment study
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1984
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Modeling agricultural recycling systems for system size and economic potential
… Recycling water and biomass through reuse systems can help preserve finite available resources for future generations. An approach to achieve this goal is through modular production systems. These types of systems can be developed to utilize recycling technologies to preserve resources and …
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Finite system size effects on the effective coupling in scalar quantum field theory
… to receive significant contributions in systems of size characteristic of p+p collisions. Indeed it has been shown that free scalar thermal field theory receives ∼ 40% corrections to the usual thermodynamic quantities when confined using Dirichlet boundary conditions with characteristic …
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An analysis of the relationship between system size and structural differentiation within intercollegiate athletic departments
… study investigated the relationships among system size, structural differentiation, and administrative component within university athletic departments holding membership in Division I of the National Collegiate Athletic Association (NCAA). The main objectives of the investigation were to: …
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Anderson localization of thermal phonons : anomalous heat conduction in disordered superlattices
… is required. For sufficiently short thermal systems, the thermal conductivity becomes extrinsic and exhibits linear scaling with system size. This scale is known as the ballistic transport regime. As the system size grows beyond this scale, the thermal conductivity asymptotes into the …
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Improving Simulation Performance With Gpus
… key factor to the performance of a simulation system is the speed of solving linear equations arising in the calculation at runtime. Based on a testing simulator, we have used Graphics Processing Units (GPUs) to accelerate the solution of the types of equations typically encountered in dynamic …
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Energy loss and theoretical uncertainties in small quark-gluon plasmas
… of QGP signatures in much smaller collision systems—including proton proton, and proton heavy-ion collisions—wherein QGP was not expected to form. Experimentally measuring suppression in small systems is more difficult than in large systems, motivating the need for theoretical guidance on the …
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The centrality dependence of thermal parameters in Pb-Pb collisions at 158 GeV/nucleon
… valuable information on the effect of the system size on chemical-and thermal frees-out and contributions towards the systematic understandig of the experimental data.
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Determining application-specific peak power and energy requirements for ultra-low-power processors
… today. In the ultra-low-power embedded systems used by these applications, peak power and energy requirements are the primary factors that determine critical system characteristics, such as size, weight, cost, and lifetime. While the power and energy requirements of these systems tend to …
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A unified approach for assessing circuit and packaging technologies in a system environment
… technologies and packaging alternatives in a system environment. These include how to link the architecture of the system to the physical system design, how to model the devices and interconnections, how to realistically predict system size, and how to measure the length of the …
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Control of a MEMS fast steering mirror for laser applications
A control system for a MEMS fast steering mirror is designed and implemented to accurately steer a laser beam. This document contains a characterization of important mirror characteristics and the full analysis of an analog control system designed to maximize the performance of the mirror. A full …
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Electronic excited states in quasi- one- dimensional organic solids with strong coupling of Frenkel and charge-transfer excitons
… of the coupling and is independent of the system size. It can therefore be assigned as a characteristic quantum length which plays a vital role for the understanding of system-dependent behavior of the states. The number and type of surface states occurring is predicted for any arbitrary …
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An Analysis of an Interrupt-Driven Implementation of the Master-Worker Model with Application-Specific Coprocessors
… either homogeneous or heterogeneous. We analyze system performance with regard to system size and task granularity, and we present experimental results to determine the optimal operating conditions. Finally, we consider the suitability of this approach for scientific simulations — specifically …
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Application of quantum Monte Carlo methods to molecular potential energy surfaces
… highly accurate methods scale poorly with system size (n<sup>7</sup> or higher) and are mostly not well parallelized for calculations with multiple processors. One alternative method that has more favorable scaling with system size and is well parallelized is a computational technique …
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Backflow and pairing wave function for quantum Monte Carlo methods
… be used to compute the properties of electronic systems accurately from first principles. This thesis is mainly concerned with the development of trial wave functions for QMC. An extension of the backflow transformation to inhomogeneous electronic systems is presented and applied to atoms, …
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Applications of Field Theory to Reaction Diffusion Models and Driven Diffusive Systems
… we focus on the steady state properties of two systems which are genuinely out of equilibrium. The first project is an application of dynamic field theory to a specific non equilibrium critical phenomenon, while the second project involves both simulations and analytical calculations. The …
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An analysis of the ability of Virginia's water systems to finance system improvements
… expected to result in increasing costs for water systems. The ability of systems to finance the required improvements is examined. The financial needs of water systems are examined to determine if needs vary by system ownership or system size. Increased water rates are expected as a result of …
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Steady state distributions for manpower models under conditions of growth
… to forecast stocks in a wide range of manpower systems. Studies have been done in many areas such as education planning, hospital planning, manufacturing, private research and development, a women's military unit, the civilian workforce supporting the U.S. Navy and a state police organization. …
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Gaining New Insights into Spatiotemporal Chaos with Numerics
An important phenomenon of systems driven far-from-equilibrium is spatiotemporal chaos where the dynamics are aperiodic in both time and space. We explored this numerically for three systems: the Lorenz-96 model, the Swift-Hohenberg equation, and Rayleigh-Bénard convection. The Lorenz-96 model is a …
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ΒΕΛΤΙΣΤΟΣ ΣΧΕΔΙΑΣΜΟΣ ΑΥΤΟΝΟΜΩΝ ΦΩΤΟΒΟΛΤΑΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ
… STORAGE CAPACITY OF STAND-ALONE PHOTOVOLTAIC SYSTEMS. THIS METHOD USES MONTHLY AVERAGE METEOROLOGICAL DATA AND EASILY ACQUIRABLE SYSTEM PARAMETERS IN ORDER TO DETERMINE POSSIBLE PHOTOVOLTAIC SYSTEM SIZES, CAPABLE OF SUPPLYING ANY GIVEN MONTHLY AVERAGE HOURLY LOAD PROFILE. THE OPTIMUM SYSTEM …
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