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 13 of 13 for “"Thermo-mechanical performance"”.
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Thermal and thermo-mechanical performance of voided lead-free solder thermal interface materials for chip-scale packaged power device
The need to maximise thermal performance of electronic devices coupled with the continuing trends on miniaturization of electronic packages require innovative package designs for power devices and modules such as Electronic Control Unit (ECU). Chip scale packaging (CSP) technology offer promising …
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Assessing thermo-mechanical performance of ThO₂ and SiC clad light water reactor fuel rods with a modular simulation tool
This work has focused on evaluating the thermo-mechanical performance of two innovative nuclear fuel designs: the ThO2-based resource-renewable boiling water reactor (RBWR) and silicon carbide (SiC) cladding in pressurized water reactors (PWRs). Since these designs employ non-traditional fuel rod …
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Optimization of conformal cooling channels in 3D printed plastic injection molds
… channels, which dont impart optimal thermal (or thermos-mechanical) per- formance. Moreover, reducing the cycle time in plastic injection molding has become significantly important to the industry nowadays. One approach that has been pro- posed is to use conformal cooling channels. With the advent …
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Optimization of the thermal-hydraulic performance of the helium-cooled modular divertor with multiple jets
… module to characterize its thermal-hydraulic performance at coolant inlet temperatures up to 425 °C, inlet pressures of 10 MPa, and incident heat fluxes up to 6.6 MW/m^2 using a closed helium loop. The effect of the jets-to-impingement surface separation distance was experimentally …
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Novel Functional Graphene and its Thermodynamic Interfacial Localization in Biphasic Polyolefin Systems for Advanced Lightweight Applications
… from a monomer. However, most polymer groups are thermodynamically immiscible, resulting in the material to devalue in performance. The purpose of this research is to study the impact of a novel nanostructured carbon co-factor on the compatibility between Polyethylene (PE) and Polypropylene (PP), …
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Design and Development of High Density High Temperature Power Module with Cooling System
… The details of the material selection and thermo-mechanical reliability evaluation are described. High temperature power test shows that the presented package can perform well at the high junction temperature. In order to increase the power density, reduce the parasitic parameters, and …
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Thermal and Thermo-Mechanical Analyses of Wire Bond vs. Three-dimensionally Packaged Power Electronics Modules
… been fully understood in terms of thermal and thermo-mechanical performance. Therefore, a comparative evaluation between the thermally induced response in conventional wire bonding (a 2-Dimensional technology) and 3-Dimensional packaging technologies is essential. Thermal and thermo-mechanical …
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Development of constitutive models for thin thermoelastic interphase in composite materials
… reinforcements that enhance their overall thermo-mechanical performance. At the micro-mechanical scale, a distinct interphase forms between the constituent materials, characterized by its own unique set of properties. The thermo-mechanical behavior across this interphase is of critical …
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Integrated Thermal Management Strategies for Embedded Power Electronic Modules
… improve the reliability, cost-effectiveness, and performance of power electronics systems. IPEMs are multi-layered structures based on embedded power technology and offer the advantage of three-dimensional (3D) packaging of electronic components in a small and compact volume, replacing the …
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Fuel performance modeling of high burnup mixed oxide fuel for hard spectrum LWRs
… design constraints and regulatory limits, the thermomechanical behavior of this reactor has been analyzed through fuel performance modeling. Due to its unique design characteristics, several physical phenomena at high temperature and high burnup typically ignored in most LWR fuel performance …
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Influence of Electrostatic Interactions and Hydrogen Bonding on the Thermal and Mechanical Properties of Step-Growth Polymers
… of novel, segmented, cross-linked networks and thermoplastics for emerging technologies. Tailoring macromolecular structures for improved mechanical performance can be accomplished through a variety of synthetic strategies using step-growth polymerization. The synthesis and characterization of …
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Exploring Multiple Hydrogen Bonding and Ionic Bonding in the Design of Supramolecular Polymers
… binding site, thereby allowing for enhanced mechanical integrity to the polymers and facilitate self-assembly. This dissertation focuses on the design of novel supramolecular polymers building from the doubly-charged or quadruple hydrogen bonding (QHB) scaffolds utilizing chain-growth …
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Influence of process parameters and manufacturing defects on the properties of thermoplastic composite pipes.
Thermoplastic composite pipes (TCP) have emerged as an innovative solution in the energy industry, offering significant advantages for fluid transportation in offshore and onshore applications. This is because they offer lightweight and non-corrosivity among other benefits in comparison to …