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 24 for “"thermally conductive"”.
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Synthesis of Functionalized Polysiloxanes and Investigation of Highly Filled Thermally Conductive Microcomposites
… with very high concentrations of polar thermally conductive fillers. Lightly crosslinked elastomeric networks with controlled amounts of polar moieties were prepared via a hydrosilation curing mechanism. High concentrations of thermally conductive micro-fillers were dispersed throughout …
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Cryogenic heat pipe for cooling high temperature superconductors with application to Electromagnetic Formation Flight Satellites
… scale HTS coil. The HTS coil resides inside a thermally conductive jacket which is used for isothermalization. A cryocooler is attached to the thermally conductive jacket and is used for heat extraction. Wrapped around the thermally conductive jacket is multilayer insulation which is used to …
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Synthesis and characterization of high thermal conductive polymers and fabrication of polymer based thermal strap
… traditional polymers are both electrically and thermally insulating, due to its organic nature and amorphous structures. In the late 20th century, electrically conductive polymers has been discovered. Thermally conductive polymers, however, were not demonstrated until the recent decades. …
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Design of Radial Mode Piezoelectric Transformers for Lamp Ballast Applications
… board has also been addressed in this thesis. A thermally conductive mounting technique has been developed which can enhance both the power capability and reliability of circuits utilizing these devices.
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Design and manufacturing of novel hybrid metal-polymer heat exchangers
… unsuitable for thermal applications. Combining thermally conductive metals with polymers can improve the thermal conductivity of the hybrid to be sufficient for WHR applications. Prior work has explored helically wound metal-polymer hybrid tubes as a means to combine the best aspects of both …
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The addition of a calender machine to a pyrolytic graphite sheet production plant
… that the calendered heat spreader is 70% more thermally conductive than its uncalendered counterpart.
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A Novel Switchable Thermal Insulation Technology
… form of an opaque panel that alternates between thermally conductive and insulated states, can be an effective means of regulating the thermal environment by selectively transferring heat between the indoor and outdoor environments. Pioneering work has been undertaken by researchers to develop …
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Photonic crystal emitters in heterogeneously bonded membranes
… properties of doped membranes bonded to thermally conductive, electrically insulating substrates are also examined using finite element simulations to improve device performance. Experimental results show CW optically pumped PhC lasers on both sapphire and metal-backed SiO2 substrates. …
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An interferometric study of spreading liquid films
… of volatile liquid films spreading on thermally conductive surfaces.
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Development of hybrid inorganic/organic nanocomposites with enhanced thermal conductivity
… polymer-based nanocomposites (NCs), where high thermally conductive ceramic fillers form heat conduction pathways within an otherwise thermally insulating polymer matrix. In this context, this thesis explores ladder-like polysilsesquioxanes (LPSQs) as organosilicon building blocks that can be …
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Development of High-Pressure Calorimetry Techniques and Calorimetry Study of the Heavy-Fermion Superconductor CeSb2
… studies on samples that are embedded in a thermally conductive medium. With a framework that only requires one lock-in, the 3ω technique goes beyond standard methods by replacing DC thermometry with AC resistance techniques. We focus on the situation of materials at high-pressure in a …
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An Approach to Modelling Ice Deposition Across the Solar System
… demonstrate that the inclusion of viscous and thermally conductive water-ice bounding layers could reduce internal temperatures and strain rates, and stabilize the overall set of CO2 ice units.
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Experimental studies of heat transport across material interfaces at the nano and micro scales
… use in electronic devices. On the other hand, thermally conductive micro particles are used as fillers in composite materials in order to improve the thermal conductivity of the host or matrix material. They can be embedded in polymers for die attach applications as well as in metals to create …
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Designing and testing the neutron source deployment system and calibration plan for a dark matter detector
… The canister will contain a dielectric gel to thermally and electrically insulate the high voltage electronics and the neutron source from the rest of the detector. We calculated the equilibrium temperature change of the calibration neutron source when it is turned on and found that the …
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Experimental Nanoengineering of Multifunctionality into an Advanced Composite Laminate
… IMCs demonstrated here, with electrically and thermally conductive interlaminar regions and surfaces, support future demonstrations of multifunctionalities through a composite system designed to serve independent yet synergistic functionalities in life-cycle enhancement, energy savings during …
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Focused Ion Beam Fabricated Non-equilibrium Superconducting Devices
… temperatures. For a device sitting on a low thermally conductive membrane, it is found that the effects of heating, or cooling, in the junctions are exaggerated.
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Development of constitutive models for thin thermoelastic interphase in composite materials
… of the proposed models is examined for thermally conductive interphases of different geometries—specifically, flat, circular, and wavy configurations, as well as for circular interphases in the settings of linear elasticity and thermo-elasticity. Their accuracy and efficiency are …
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Stacks of high temperature superconducting tape as trapped field magnets for energy applications
… by optimising the magnetic pulse sequence, using thermally conductive material to reduce temperature rise during pulse and changing the duration of the magnetic field pulse. Finite element method computer modelling was used to model and predict the behaviour of the trapped field magnets made of …
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Enhancement of Pool Boiling Heat Transfer by Brazed Aluminum Microporous Coating in Saturated Water
… surface. Specifically, a high temperature thermally conductive microporous coating (HTCMC) is developed for an aluminum surface. The coating is manufactured by brazing an aluminum powder onto a plain aluminum surface. The microporous coating enhances the NBHT by creating microscale pores. …
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