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 185 for “"scale models"”.
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Sound radiation prediction by scale models
… stiffness of the walls. These "rigid" walled models have given good results for auditoria but cannot be used for vehicles etc. On the other hand the structural dynamics work has been concerned almost exclusively with the vibration of structures in vacuo. The coupling of the wall vibration with …
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Comparative Hydrodynamic Testing of Small Scale Models
… adequate for comparing dissimilar hull types. Scale model hydrodynamic testing is the traditional evaluation method, and is applicable to most hull forms. Scale model tests are usually performed on the largest model possible in order to achieve the most accurate performance predictions. …
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Multi-scale models of T cell activation
… of this thesis is to develop and apply multi-scale computational techniques adopted from physical sciences to study a key phenomenon underlying the adaptive immune response: the activation of T cells. The specific objectives are: 1) develop efficient and versatile computational frameworks to …
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Multi-scale models for wafer surface evolution in chemical mechanical planarization
… but generates global thickness variation. Two models, referred as Models I and II, are developed to investigate the pattern structure effect on the post-CMP wafer profile. Model I assumes that the pad asperities contact with the wafer directly. In developing this model, at first, the pressure …
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Exploring the Stochastic Performance of Metallic Microstructures With Multi-Scale Models
… properties of Ti-7Al. The homogenized macro-scale material properties are directly related to the crystallographic structure at the micro-scale. Furthermore, microstructural uncertainties arising from experiments and computational methods propagate on the material properties used for …
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Reducing errors in simulated satellite views of clouds from large-scale models
… test of the representation of clouds in models is evaluating the simulation of present-day climate against available observations. Satellite retrievals of cloud properties provide an attractive baseline for this evaluation because they can provide near global coverage and long records. …
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Developing Multi-Scale Models for Water Quality Management in Drinking Water Distribution Systems
… constituents. On the other hand, the huge scale of water distribution systems contributes dramatically to this deterioration mainly due to the long transport times between treatment and consumption points. Hence, utilities face a considerable challenge to efficiently manage the water …
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Large-scale models of transient unsaturated flow and contaminant transport using stochastic methods
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1984.
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Aerodynamic Measurements in a Wind Tunnel on Scale Models of a 777 Main Landing Gear
Aerodynamic measurements were taken over models of the Boeing 777 high fidelity isolated landing gear in the 6- by 6-foot Virginia Tech Stability Wind Tunnel (VT-SWT) at a free-stream Mach number of 0.16. Noise control devices (NCD) were developed at Virginia Tech [9] to reduce noise by shielding …
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Improving Methanosarcina genome-scale models for strain design by incorporating cofactor specificity and free energy constraints
Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-04-22T20:19:19Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Richards_Matthew.docx: 566731 bytes, checksum: 34f812c17c0944f31f7b5fba2a34d536 (MD5) Richards_Matthew.pdf: 1474395 bytes, …
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Development of a light detection system for bidirectional measurements over the solar spectrum and sun course simulations with scale models
… coatings analysis and as a heliodon for studying scale models. The goniophotometer will be used to conduct detailed assessments of the bidirectional transmission or reflecting distribution function ("BT(R)DF") properties of building materials, using a CCD camera to produce a luminance map of the …
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Total proton flux and balancing in genome-scale models: The case for the updated model of Clostridium acetobutylicum ATCC 824
Genome-scale modeling and new strategies for constraining these models were applied in this research to find new insights into cellular metabolism and identify potential metabolic engineering strategies. A newly updated genome-scale model for Clostridium acetobutylicum, iMM864, was constructed, …
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Numerical study on the validity of the quasi-specular and two-scale models for rough surface parameter estimation: one dimensional surfaces
… examines the use of the quasi-specular and two-scale models in estimating rough surface parameters from the average radar cross section of randomly rough surfaces, with the goal of understanding what scattering mechanisms limit their applicability. The ranges of validity of these models are …
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Development of a test protocol for industry to predict and optimise flow behaviour of blended powders utilising particle to bulk scale models
… of the links between the particle and bulk scale of powders and how changes in the particle properties and/or blend compositions would affect the flow behaviour of blended powders. The aim of this research work was to develop an “empirical understanding” of the links between the particle …
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Efficient enzyme coupling algorithms identify functional pathways in genome-scale metabolic models
… fluxes are “coupled"" or correlated in genome-scale models. By identified sets of coupled reactions, modelers can 1.) reduce the dimensionality of genome-scale models, 2.) identify reactions that must be modulated together during metabolic engineering, and 3.) identify sets of important enzymes …
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The performance of polyurethane grout to stabilise hemic peat
… determine the boundary for laboratory and field models, as well to determine the grouting depth for PU. The depth of grouting for laboratory scale models were determined at 100 mm and 200 mm, while for the field scale models was at 1 m and 2 m deep. The settlement for natural and treated peat …
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Residual-based turbulence models for incompressible flows in domains with moving boundaries
… dissertation presents residual-based turbulence models for problems with moving boundaries and interfaces. The method is derived employing the Variational Multiscale (VMS) framework, which gives rise to several modeling options that are exploited to obtain accurate turbulence models. To …
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Systems metabolic engineering through application of genome-scale metabolic flux modeling
… in systems metabolic engineering involves genome-scale metabolic flux modeling. These models allow generation of predictions of the global metabolic flux distribution in the metabolic network of organisms, in silico. With the current advances in genome sequencing technologies and the global demand …
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Greenhouse gas mitigation cost of energy from biogas : a techno-economic analysis of co-digestion of three types of waste in Cape Town
… energy from biogas and related cost. Two project-scale models and a city-scale model were developed. Substrates for project model 1 were organic fraction of municipal solid waste (OFMSW) and primary sludge (PS) from sewage works. Project model 2 considered waste paper sludge (WPS) and PS. For the …
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Systems metabolic engineering of Arabidopsis for increased cellulose production
… predicting metabolic functions with genome-scale models had shown promising results in the recent years. Using sophisticated algorithms, such as flux balance analysis, OptKnock, and OptForce, we can predict flux distributions and design metabolic engineering strategies at a greater …
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