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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 21 to 30 of 173 (0.015 seconds)| 21 |
The selective bleed variable cycle engineNascimento, M. A. R. January 1992 (has links)
A new concept in aircraft propulsion is described in this work. In particular, variable jet engine is investigated for supersonic ASTOVL aircraft. This engine is a Selective Bleed Variable Cycle, twin shaft turbofan. At low flight speeds the engine operates as a medium bypass turbofan. At supersonic cruise it operates as low bypass turbofan without reheat. The performance of the engine and its components is analyzed using a novel matching procedure. Off-design engine performance characteristics are explained, compressor running lines are shown, and variable geometry requirements are described. The performance analysis shows that fuel savings are significant, thus reducing aircraft take-off weight. The major advantage of this engine is that all the components are used continuously for all operating modes, thus incurring low weight penalties. The benefits predicted by this preliminary investigation indicate that further research on this engine should be carried out. The matching procedure developed and described shows itself to be very effective for two-shaft engines with a fixed geometry LP turbine. The method can also be extended to three shaft cases with or without a variable geometry LP turbine. Extensive development of compressor and turbine design and performance software has been undertaken.
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The vibration control of a flexible rotor by means of a squeeze-film damperChu, Fulei January 1993 (has links)
No description available.
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Intelligent fault diagnosis with applications to gas turbine enginesZhou, Ji January 1998 (has links)
No description available.
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Experiments in annular combustorsJelercic, David January 2001 (has links)
No description available.
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Vibration analysis for the design on a turbo-generator based powertrain for hybrid vehiclesLeontopoulos, Chris January 1996 (has links)
No description available.
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Hot wire instrumentation for unsteady aerodynamic measurements in a rotating gas turbine stageBrayton, Simon Nicholas January 1997 (has links)
No description available.
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Secondary and endwall losses in an axial flow compressorBendali-Amor, M. January 1991 (has links)
No description available.
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Performance simulation of a medium speed diesel engine under optimal and fault conditionsIsaias, Loizos January 1989 (has links)
No description available.
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Evaluation of vortex cooling systems for turbine bladesAl-Ajmi, Rashed January 2000 (has links)
No description available.
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An investigation of particle trajectories and particle impact points in turbine film cooling hole systemKuk, Victor H. M. January 1995 (has links)
No description available.
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