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 16 of 16 for “"windmill"”.
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Windmill electric plants
… has a positive temperature co-efficient, the windmill electric plant has very much greater possibilities to-day than when the carbon lamp was the only small electric light.
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Effects of blade damage on low pressure ratio fan windmill aerodynamics
The windmill condition can occur after the in-flight shutdown of a turbofan, when the fan continues to spin due to the aircraft forwards speed. This condition leads to high levels of drag, and the fan operates at very low rotational speeds. Windmill often follows damage to the fan, which will lead …
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Entering and Revealing of Architecture_ A Kindergarten at Windmill Hill Park
This thesis topic is focused on the experience of entering and revealing architecture. An entrance is not solely about the physical form of a door, rather it is the beginning of a building; a conversation between public and private, light and dark, safety and danger. The entrance is also a …
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Mechanical Energy Harvesting for Powering Distributed Sensors and Recharging Storage Systems
… the fabrication of DVH and also in a micro windmill. The power density of the micro windmill was found to be better than all the other results reported in literature. Extensive fluid and structural modeling was conducted to tailor the performance of the micro windmill in the desired wind …
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Performance measurement of a ten kilowatt horizontal axis wind turbine
… and built. Tests were performed with the windmill powering a resistive heating load as well as charging a battery.
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Mode Volume Reduction in Single Crystal Sapphire Optical Fibers
… in this research. The results indicated the windmill single crystal sapphire optical fiber (SCSF) will readily improve the performance of current fiber optic sensors in the harsh environment and potentially enable those that are limited by the optical property of unclad single crystal …
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An improved control strategy for wind-powered refrigerated storage of apples
… the individual components of the system. In situ windmill performance were also conducted. The results of these tests have been presented. An improved control strategy was developed to improve the utilization of available wind energy and to reduce the need for electrical energy from an external …
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Quantifying avoided emissions from renewable generation
… brought on by renewable generation using a windmill feasibility study as an example.
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Appropriate technology in irrigation : A thesis submitted in partial fulfilment of the requirements for the degree of Master of Applied Science in the Lincoln University, New Zealand
… A method for assessing the feasibility of windmill-reservoir irrigation systems is presented. The basis for determining the system requirements is also outlined. The method has been designed for use at Lancevale fann in Hawarden, New Zealand. The site has high potential for wind power with …
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Network Infiltration: Gaining Utility Acceptance of Alternative Energy Systems
… bring about change. In New York City, an urban windmill was installed atop an apartment building. In Sacramento, CA, the municipal utility, SMUD, broke from the system model to become a leader in energy efficiency and renewable energy programs. In Texas, their renewables portfolio standard has …
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A new appreciation of inflow modelling for autorotative rotors
… analyse autorotative rotors (i.e. rotors in the windmill-brake state), which differ from powered helicopter rotors (i.e. rotors in the normal working state) in that the geometric relation between the inflow and the rotor disc. The principal aim of this research is to theoretically investigate the …
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The conversion of wind power to electrical power
The electrical-producing windmill industry boomed during 1983. It was estimated that"unit sales during 1983 would be twice those of the prior 10 years combined." Most of the activity has been in the development of windfarms in the western states and Hawaii. The boom is largely due to (1) tax breaks …
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LAND SUITABILITY ANALYSIS FOR WINDFARM DEVELOPMENT IN TEXAS
… a location that is highly suitable for windmill development. Each GIS model output was validated by existing wind turbine locations. The suitability index value for each existing wind turbine location was identified for each model output. The Fuzzy Overlay Three model resulted in the …
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Performance characteristics of elite softball players: Changes and determinants of performance related to the lower body
… ground reaction force and ball velocity during windmill softball pitching The purpose of this research was to (1) determine the reliability of measuring ground reaction force (GRF) in multiple pitching trials and (2) investigate the relationship between ground reaction forces and pitch velocity …
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Junctions and Strands: Breaking Property Tradeoffs in Polymer Networks and Composite Polymer Electrolytes
… Polymer networks, which include tire rubber, windmill turbine blades, tissue engineering scaffolds, polymer electrolytes (vide infra) and many other materials, possess a useful lifetime typically limited by a fracture event. Thus, methods of controlling toughness (the resistance of a material …
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Computed tomography of cats without general anesthesia: feasibility, protocol development and assessment of cats with thoracic disease
… margins, motion artifact, helical artifact and windmill artifact. The CT examinations were successfully completed in 90.9%of (20/22) normal cats. No artifacts directly related to the device were detected and 94% (75/80) of examinations were judged to have an absence of or minimal motion …