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Design, characterization, and performance of a valveless pulse detonation engine

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Author
Johnson, Robert G.
Date
2000-06-01
Advisor
Brophy, Christopher
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Abstract
Current interest in developing a low cost, less complex tactical missile propulsion system that operates on readily available liquid fuels and can operate from low subsonic to a flight Mach number of 5 is driving research on pulse detonation engines. This research program involved the design, construction, and testing of a valveless Pulse Detonation Engine using a JP-10/ air mixture as the primary combustible reactants. A small JP-10/oxygen pre- detonation tube was used to initiate the detonation in the JP-10/air mixture in the engine. The engine was tested at various inlet conditions and equivalence ratios in order to determine the detonable regime of the fuel/air mixture. The original area transition from the pre-detonation tube to the main combustion tube appeared to be too extreme, so a tube was added to extend the pre- detonation tube into the throat of a shock focusing device inserted flush with the head end of the main combustion tube to promote more favorable transition conditions
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http://hdl.handle.net/10945/7664
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Related items

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    Propagation of a Two-Phase Detonation Across a Geometric Difraction with Compositional Discontinuity 

    Hofstedt, Todd A. (Monterey, California. Naval Postgraduate School, 2000-06);
    The research program involved the modification and use of an existing pulse detonation engine (PDE) to investigate the detonability of a JP-10/air aerosol. The detonation of a JP-10 aerosol in air proved more difficult ...
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    Direct-connect performance evaluation of a valveless pulse detonation engine 

    Wittmers, Nicole K. (Monterey, California. Naval Postgraduate School, 2004-12);
    Operational characteristics of a valveless pulse detonation engine system were characterized by experimental measurements of thrust, fuel flow, and internal gas dynamics. The multi-cycle detonation experiments were performed ...
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    Transient Plasma Ignition for Delay Reduction in Pulse Detonation Engines 

    Cathey, Charles; Wang, Fei; Tang, Tao; Kuthi, Andras; Gundersen, Martin A.; Sinibaldi, Jose 0.; Brophy, Chris; Hoke, John; Schauer, Fred; Corrigan, Jennifer; Yu, John; Barbour, Ethan; Hanson, Ronald K. (2006);
    This presentation reviews testing and evaluation at four laboratories of transient plasma for pulse detonation engine (PDE) ignition, and presents data showing significant reductions in times required for detonation. The ...
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