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 11 of 11 for “"turbo-electric."”.
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Regional Transport Aircraft Design using Turbo Electric Distributed Propulsion (TEDiP) System
… for electrified aircraft, two such technologies: turbo-electric propulsion and distributed propulsion, are used in this research. Integration of these two technologies with the airframe leverages the well-known favorable interference between the wing and the tractor propeller wake to provide …
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Brushless doubly-fed reluctance machine drive for turbo-electric distributed propulsion systems
Turbo-electric distributed propulsion systems are considered to be a critical enabler for low-carbon emission in the aircraft industry. A brushless doubly-fed reluctance machine (BDFRM) is an attractive option to drive the distributed propeller fans for these megawatt-scale turbo-electric …
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A Tail-Integrated Boundary-Layer Ingesting Propulsion System for Turbo-Electric Aircraft
… for 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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Trade-Space Analysis of Liquid Hydrogen Propulsion Systems for Electrified Aircraft
This thesis assesses 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 …
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Trade space assessment of electrified commercial aircraft
… layer. Distributed, boundary layer ingesting, turbo-electric aircraft configurations are found to minimize energy consumption for all the missions examined from 500 to 6000 nmi. Energy reductions up to 27% relative to a non-BLI, non-electric, twin-turbofan design are possible. Advanced …
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AC loss in MgB2-based fully superconducting electric machines
Superconducting electric machines have shown potential for dramatic increases in specific power for applications such as offshore wind generation, turbo-electric distributed propulsion in aircraft, and ship propulsion. Superconductors exhibit zero loss in dc conditions, though ac current produces …
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DESIGN AND ANALYSIS OF THE ROTOR OF A FULLY SUPERCONDUCTING MACHINE
… are considered as enabling technology for future turbo-electric propulsion for transportation aircraft. NASA is funding the development of a high fidelity fully superconducting machine sizing tool able to generate optimized designs based on power requirements and design constraints. In this …
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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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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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Switched brushless doubly-fed reluctance machine drive
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Mechanical design of high frequency, high power density electric machine
In recent years, electric vehicles have demonstrated great economic and environmental advantages in the transportation industry due to the advance of battery and power converter technologies. However, large-scale commercial aircraft electrification is hindered by the technology gap of electric …