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 8 of 8 for “"geometric modifications"”.
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Effects of the geometric modifications on the shear layer excitation source in co-axial side branches
This comprehensive study delves into the interaction between shear layer oscillations and the acoustic field within co-axial cavities, spotlighting the efficacy of the sound source model as a reliable semi-empirical modeling methodology. The focus is on how the downstream acoustic boundary …
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Audioptimization : global-based acoustic design
… the inverse problem of determining material and geometric settings for an environment from a description of the desired performance. The user interactively indicates a range of acceptable material and geometric modifications for an auditorium or similar space, and specifies acoustic goals in …
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Automatic modification of part geometries subject to manufacturing constraints using fuzzy logic
… algorithms capable of automatic modification of geometric models in response to manufacturing process constraints. Designers typically initiate product models using ideal, exact geometry; however, several non-traditional manufacturing processes frequently require slight modifications to the ideal …
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Numerical Investigations of Thermal-Fluid Phenomena Across Emerging Energy Systems
… cooling configuration, demonstrating how geometric modifications influence film cooling effectiveness and liner thermal loading. Finally, high-fidelity simulations of bio-based phase change material capsules integrated into residential heat pump water heaters are performed to assess heat …
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Finite element model of thermoelastic damping in MEMS
… and is used to analyze the impact of design modifications such as the addition of fillets and anchors to a simple beam model. It is shown that depending on the size scale of the resonator (which dictates the amount of internal damping), these geometric modifications may either hinder or …
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Early Stages of the Aluminothermic Process: Insights into Separation and Mould Filling
… front quenching (CFQ) methodology. Moreover, geometric modifications on the crucible and mould have been developed for a reduction in changeover time, as well as an optimized multiphase flow field. Their performance during crucible discharge and mould filling has been verified numerically. …
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The effect of surface roughness and surface finish on two-phase and single-phase heat transfer and pressure drop characteristics
… improving air-side heat transfer by innovative geometric modifications. This dissertation systematically investigates structured surface fabrication strategies including laser texturing, chemical etching, sintering, and electrodeposition and evaluates their effects on pool boiling, flow boiling, …
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Biomolecular transport at and through two-dimensional materials
… To increase throughput, exper- iments tested geometric modifications and chemical functionalization of the nanopore as well as altering the solvent conditions to control the passage of DNA through the nanopore with varying degrees of success. To optimize and test the design of nanopores in 2D …