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Nonlinear combustion instability in liquid propellant rocket enginesPowell, Eugene Alexander 12 1900 (has links)
No description available.
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A theoretical study of nonlinear longitudinal combustion instability in liquid propellant rocket enginesLores, Manuel Edward 05 1900 (has links)
No description available.
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Technique for the optimization of the powerhead configuration and performance of liquid rocket enginesSt. Germain, Brad David 08 1900 (has links)
No description available.
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The conceptual design of a Mars nuclear landing and ascent vehicle utilizing indigenous propellant /Zubrin, Robert M. January 1992 (has links)
Thesis (Ph. D.)--University of Washington, 1992. / Vita. Includes bibliographical references (leaves [144]-153).
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Techniques to Assess Acoustic-Structure Interaction in Liquid Rocket EnginesDavis, R. Benjamin January 2008 (has links)
Thesis (Ph. D.)--Duke University, 2008. / Includes bibliographical references.
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Aerospace design optimization using a real coded genetic algorithmDyer, John David, Hartfield, Roy J., January 2008 (has links) (PDF)
Thesis (M.S.)--Auburn University, 2008. / Abstract. Vita. Includes bibliographical references (p. 83-85).
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Simulations of a sub-scale liquid rocket engine transient heat transfer in a real gas environment /Masquelet, Matthieu M. January 2006 (has links)
Thesis (M. S.)--Aerospace Engineering, Georgia Institute of Technology, 2007. / Ruffin, Stephen, Committee Member ; Seitzman, Jerry, Committee Member ; Menon, Suresh, Committee Chair.
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Investigation of injector system and gas generator propellant for aft-injected hybrid propulsion /Pilon, Bryan January 1900 (has links)
Thesis (M.App.Sc.) - Carleton University, 2007. / Includes bibliographical references (p. 194-202). Also available in electronic format on the Internet.
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Investigation of liquid fuel jet injection into a simulated subsonic "dump" combustorOgg, John Chappell January 1979 (has links)
Basic experimental studies of the injection of liquid fuel into a two dimensional flowfield designed to represent a sudden-expansion "dump" combustor were performed under cold-flow conditions. Test conditions were as follows: 0.6 entrance Mach number, 25 PSIA total pressure, and nominally 75°F stagnation temperature. Two step heights were investigated, 1.0 in. and 0.5 in., corresponding to area ratios of 1.33 and 1.17. The investigation included Pitot and static pressure distributions, spark and streak shadowgraphs, surface flow visualization, direct photographs and videotape recordings. The backlighted streak and spark shadowgraphs were used to obtain jet penetration and break-up information. Oil drop surface flow studies showed details of the flow in the recirculation region behind the step. The injectant for these cold flow studies was selected as water, which was injected transversely to the air flow 1.0 in. and 0.5 in. upstream of the step at various flow rates. It was found that both the location of the injection port relative to the step and the step height had no measurable effect on jet penetration and break-up. Injectant accumulation on the combustor wall in the base-flow region was found to be substantial under some conditions, and the amount of accumulation was shown to be a strong function of initial liquid jet penetration height. / M.S.
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Studies On Impinging-Jet AtomizersGadgil, Hrishikesh Prabhakar 01 1900 (has links)
Characteristics of impinging-jet atomizers in the context of application in liquid propulsion systems are studied in this thesis. A review of past studies on impinging jets revealed the necessity of a correlation in terms of injector parameters for predicting Sauter Mean Diameter (SMD) of a spray. So, an experimental study of atomization in doublet and triplet impinging jet injectors is conducted using water as the stimulant? The major injector parameters considered are orifice diameter, impingement angle and jet velocity. Relative influences of these parameters are explained in terms of a single parameter, specific normal momentum. SMD of the spray reduces as specific normal momentum is increased. A universal expression between non-dimensional SMD and specific normal momentum is obtained, which satisfactorily predicts SMD in doublets as well as triplets.
Noting that practical impinging injectors are likely to have skewness (partial impingement), the study is extended to understand the behavior of such jets. In perfectly impinging doublet, a high aspect ratio ellipse-like mass distribution pattern is obtained with major axis normal to the plane of two jets whereas in skewed jets the major axis turns from its normal position. A simple correlation is obtained, which shows that this angle of turn is a function of skewness fraction and impingement angle only and is independent of injection velocity. Experimental data from both mass distribution and photographic technique validate this prediction. SMD is found to decrease as skewness is increased. This may be the combined effect of shearing of liquid sheet at the point of impingement and more sheet elongation. Hence, skewness turns out to be an important parameter in controlling drop size.
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