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 30 for “"Sustainable Aviation"”.
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Model-Based Technology Roadmapping of Sustainable Aviation Technologies
The development of sustainable aviation products, and any products with long-term development cycles, requires the projection of future performance of nascent technologies. Technology roadmapping is a maturing field used by many firms to develop strategy and projects aimed at meeting certain market …
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Upgrading hydrothermal liquefaction biocrude oil for sustainable aviation fuel
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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Assessment of Sustainable Aviation Fuel Production Potential Using Crop Allocation Optimization
Sustainable aviation Fuel (SAF) has been recognized as a viable solution in the near to medium future for decreasing carbon emissions in the aviation industry. Global SAF production, however, is limited and falls well short of the International Air Transport Association’s (IATA) goal to achieve …
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Cost Optimization of US Sustainable Aviation Fuel Supply Chain Under Different Policy Constraints
… the costs and emissions of a potential sustainable aviation fuel supply chain in the US in 2035 while incorporating regional uncertainty analysis. Feedstock availability is quantified using projected arable land availability, agricultural yields, and projected waste and residue …
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Analysis of Double Cropping to Expand Sustainable Aviation Fuel Production in the United States
Sustainable aviation fuels (SAFs) have been identified as a short to mid-term solution for reducing aviation carbon emissions. However, the industry is limited by cropland availability. This thesis analyzes the suitability of double cropping in the United States as a method to expand biomass for …
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Price Elasticity of Air Travel Demand Using Econometrics and Machine Learning to Scale Up Sustainable Aviation Fuels
… study seeks to estimate the price elasticity of aviation travel demand. These insights will be used to integrate Sustainable Aviation Fuels (SAF) strategically to aid in decarbonizing the aviation industry. Econometric and machine learning models were applied to historical air travel data to see …
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“Is wa really a go on inna da place ya?” An Investigation into Sustainable Aviation in the Caribbean
… in mitigating their environmental footprint, aviation lags behind. To address the environmental challenges posed by the aviation industry, experts have championed the concept of sustainable aviation. This approach seeks to strike a balance between promoting economic growth, fostering social …
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Global sustainable aviation fuel production potential from current agricultural production: a holistic data analytics and systems analysis approach
Aviation contributes significantly to global greenhouse gas emissions, driven primarily by its dependency on fossil-based jet fuel. Sustainable Aviation Fuel (SAF) offers a short-term option to mitigate these emissions. However, its current scalability remains limited, constrained by access to …
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Size and composition control of specialty nanocatalysts for sustainability: Fuel cell cathode material and production of sustainable aviation fuel
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
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Aspen Plus® simulation and techno-economic analysis of condensation and fractional distillation of plastic waste pyrolysis oil for sustainable aviation fuel production
The techno-economic feasibility of generating sustainable aviation fuel (SAF) via the pyrolysis of plastic waste, including the subsequent fractionation of plastic derived oil (PDO), was investigated. The fractional distillation of a selection of PDOs was simulated in Aspen Plus® V14.0, based on …
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Techno-economic analysis and environmental assessment of isobutene, sustainable aviation fuel, omega-3 and omega-6 oils, and sophorolipid production in integrated sugarcane biorefineries
… biorefinery, including isobutene (IBN) and sustainable aviation fuel (SAF) derived from it, omega-3 oils (docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA)), omega-6 oil (arachidonic acid (ARA)), and biosurfactants (sophorolipids (SL)). Process simulations were developed for each …
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Engin keðja er sterkari en veikasti hlekkurinn. Hvaða áskoranir hindra upptöku sjálfbærs þotueldsneytis (SAF) á Íslandi?
… sjálfbærs þotueldsneytis (hér eftir SAF, e. sustainable aviation fuel) á Íslandi. Rannsóknin studdist við blandaða aðferð, með því að framkvæma eigindleg viðtöl við helstu hagsmunaaðila aðfangakeðju SAF á Íslandi sem og með greiningu megindlegra almenna gagna. Niðurstöðurnar sýna að helstu …
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Modelling and Optimization of Scalable Hydrogen Fuel Cell Systems for Aviation
… provide one possible technological pathway for sustainable aviation propulsion; however, aviation presents unique challenges for these systems. To address these challenges, this thesis presents a modelling, simulation, and optimization tool for the sizing and performance estimation of a fuel …
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Techno-Economic Modeling and Optimization of Hydrogen Supply Chain for Aviation Demand
The aviation industry is under increasing pressure to find solutions to decarbonize its operations by 2050. Few viable solutions exist for the sector to reach net zero emissions – the main ones under consideration are synthetic fuels (sustainable aviation fuels from biomass or power-to-liquid fuels …
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The Importance of Character in Aviation Maintenance
… This qualitative phenomenological study examines aviation industry hiring managers’ perceptions of the relative importance of technical skills, formal qualifications, and character traits in the selection of aviation maintenance personnel. Data were collected through semi-structured interviews …
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Efficient development and uncertainty propagation of aviation fuel chemical kinetic models
… mechanisms for jet fuels, with a focus on sustainable aviation fuels (SAFs). The framework is designed to balance model accuracy, computational efficiency, and experimental requirements for quick development times and application in complex environments like computational fluid dynamics …
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Influence of Turbofan Engine Design Parameters on Aircraft Environmental Impact
… the majority of commercial aircraft. Therefore, aviation’s environmental impacts are significantly influenced by the design of these turbofan engines. Hence, we should drive the design of modern turbofan engines, informed with each design parameter’s effect on environmental implications, namely …
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Open skies for Africa, a principled approach to the implementation of the Single African Air Transport Market (SAATM)
The Establishment of an African Single Aviation Market (SAM) is a difficult and evolutionary process, particularly considering the continent's socio-political context and the inherent challenges of integrating a continent as expansive and diverse as Africa. The most significant effort to reform the …
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Productivity and ecosystem services from purpose-grown energy crops
… kg N ha-1, applied annually, is sufficient for sustainable biomass yield. The results suggest that quadrat harvests, when scaled to a per-hectare basis, may overestimate end-of-season miscanthus yields by up to 40%. However, tiller weight estimates from quadrats correlate with biomass yield and …
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Framework for Enhancing Decision-Making Capabilities in the Decarbonization of the Airline Industry
In 2008, the aviation industry became the first to adopt sector-wide sustainability targets, including carbon-neutral growth by 2020, a 50 percent reduction in net CO2 emissions by 2050 (relative to 2005 levels), and an annual improvement in fuel efficiency of 1.5 percent from 2009 through 2020.[6] …
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