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 53 for “"Electric Aircraft"”.
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Distributed Electric Aircraft Propulsion Architectures with Fault Protection Strategy
Recent advancements in the turbo-electric Distributed Electric Aircraft propulsion (DEAP) systems highlight the necessity of reliable, robust, and lower-weight electrical power systems architectures. Traditional radial architectures of DEAP with multiple propulsion motors using the single-bus …
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Component-wise analysis of thermal management systems for electric aircraft
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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Power system sizing and analysis for electric aircraft conceptual design
… of a suggested methodology for the sizing of an electrical power generation, distribution, and propulsion system for electric airplanes at the conceptual design level. Considerations for machine type, energy storage technology, volume packaging, and modeling are discussed. The methodology is …
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Partial discharge analysis of a candidate winding used in electric aircraft propulsion
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-08-01
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A Tail-Integrated Boundary-Layer Ingesting Propulsion System for Turbo-Electric Aircraft
… a tail-integrated propulsion system for turbo-electric aircraft with boundary layer ingestion (BLI). This includes (i) definition of tail BLI electric fans and (ii) integration of the BLI propulsors on an aircraft tail, to meet the propulsive power requirements and performance goals, i.e. …
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Overcoming electro-thermal barriers to achieve extreme performance power conversion for more electric aircraft
… has demonstrated growing interest in more electric aircraft (MEA) - flight vehicles where propulsion is partially or totally supplied by electric motors. While hybrid or turbo-electric MEA concepts would still rely on a jet engine power plant to provide electrical power to these electric …
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PCB Busbar Design and Verification for a Multiphase SiC-based All-electric Aircraft Powertrain Converter
… increasing facilitating the electrification of aircrafts. In this thesis, a printed circuit board (PCB) based heavy copper busbar design and verification are introduced for a SiC based 250 kW multiphase drive system operated at 40,000 ft. Finite-element analysis (FEA) simulation studies of the …
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A flying capacitor multilevel dual-active bridge converter for interfacing high voltage in more-electric aircraft
More-electric aircraft (MEA) replace traditional mechanical and hydraulic subsystems with electrically powered equivalents, improving system-level power density, reliability, and maintainability. As MEA architectures approach the megawatt scale, both power generation and distribution voltage levels …
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Design of a novel flying capacitor multilevel buck-boost converter for electric aircraft de-icing applications
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-12-01
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Systems analysis of community noise impacts of advanced flight procedures for conventional and hybrid electric aircraft
Recent changes to aircraft approach and departure procedures enabled by more precise navigation technologies have created noise concentration problems for communities beneath flight tracks. There may be opportunities to reduce community noise impacts under these concentrated flight tracks through …
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Power Density Optimization of SiC-based DC/AC Converter for High-Speed Electric Machine in More/All-electric Aircraft
The increasing shift towards more electric or all electric aircraft urgently necessitates dc/ac converter systems with high power density. Silicon Carbide (SiC) devices, known for their superior performance over traditional silicon-based devices, facilitate this increase in power density. …
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Technical and environmental assessment of all-electric 180-passenger commercial aircraft
… emissions contribute to climate change, and all-electric aircraft offer an opportunity for zero in-flight emissions. Over the past decade, more than 50 all-electric conceptual, experimental, and commercial aircraft have been researched, with a particular focus on light aircraft. These designs are …
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Koncepční návrh letounu general aviation na elektrický pohon
The design of electric aircraft represents an opportunity in the aviation field by offering promising advancements in terms of efficiency and sustainability. This project aims to explore the feasibility of designing a purely electric aircraft at a time when electric mobility is widespread in the …
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Battery Centric Serial Hybrid Aircraft Performance and Design Space
… envelope of a battery centric serial hybrid aircraft has been analytically derived. The formulation assumes cruising flight only and all energy available is used. The flight envelope can be generated for any conventional propeller driven serial hybrid aircraft. The advantageous combination of …
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Trade space assessment of electrified commercial aircraft
… of electrified propulsion systems for commercial aircraft entering production in a 2035 timeframe. The propulsive power reduction from boundary layer ingestion (BLI), a technology that could be enhanced by electrification, is characterized and bounded by power balance analysis. An aircraft system …
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A Method for Evaluating Aircraft Electric Power System Sizing and Failure Resiliency
<p>With the More Electric Aircraft paradigm, commercial commuter aircraft are increasing the size and complexity of electrical power systems by increasing the number of electrical loads. With this increase in complexity comes a need to analyze electrical power systems using new tools. The Hybrid …
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High Power Density and High Temperature Converter Design for Transportation Applications
… by modern transportation applications like electrical vehicles and more electric aircraft where the space and carrier capability is limited. However, there are several challenges related to transportation applications such as fault tolerance for safety concern, high temperature operation in …
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Development of a high power density rotor
High specific power electric machines are crucial to enabling electric and hybrid-electric aircraft. In order to meet this need, a high specific power electric machine with an unconventional topology is being developed. The topology creates mechanical challenges including expansion due to high speed, …
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Testbed development and experimental validation of a high-power slotless stator
… permanent magnet synchronous machine (PMSM) for electric aircraft propulsion. An important thrust in current aerospace research is aircraft electrification, including propulsion system electrification. For an electrified propulsion system to provide net benefit over conventional propulsion, the …
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Trade-Space Analysis of Liquid Hydrogen Propulsion Systems for Electrified Aircraft
… the feasibility of turbo-, hybrid-, and fully-electric aircraft propulsion systems to enable more efficient air transport. A modular optimization framework was developed to quantify system performance for single-aisle transport aircraft with a mission similar to a Boeing 737 MAX 8. Various …
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