Effects of Energy Release on Combustion Instability in a Ramjet Combustor

Effects of Energy Release on Combustion Instability in a Ramjet Combustor PDF Author: Rom Garreth McGuffin
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 390

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Effects of Energy Release on Combustion Instability in a Ramjet Combustor

Effects of Energy Release on Combustion Instability in a Ramjet Combustor PDF Author: Rom Garreth McGuffin
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 390

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Numerical Simulations of Flowfields in a Central-Dump Ramjet Combustor. 3. Effects of Chemistry

Numerical Simulations of Flowfields in a Central-Dump Ramjet Combustor. 3. Effects of Chemistry PDF Author: Kazhikathra Kailasanath
Publisher:
ISBN:
Category :
Languages : en
Pages : 52

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This report is the third in a series which presents the results of numerical simulations performed to isolate and study acoustic-vortex-chemical interactions in an idealized ramjet consisting of an axisymmetric inlet and combustor and a choked nozzle. Both reactive and nonreactive flows have been simulated. The nonreactive flow calculations show complex interactions among the natural instability frequency of the shear layer at the inlet-combustor junction and the acoustics of both the inlet and the combustor. The entire flow oscillates at a low frequency which corresponds to that of a quarter-mode in the inlet. For the reactive flow cases studied, energy release alters the flow field substantially. Energy release in a large vortex is in phase with the pressure oscillation over a substantial region of the combustor and results in the observed amplification of the low-frequency oscillations and leads to combustion instability. The large pressure oscillation also modifies the vortex shedding process. Keywords: Ramjet, Turbulence, Combustion instability. (jes).

Numerical Simulation and Active Control of Combustion Instability in a Ramjet Combustor

Numerical Simulation and Active Control of Combustion Instability in a Ramjet Combustor PDF Author: S. Menon
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Ramjet Combustor Instabilities

Ramjet Combustor Instabilities PDF Author: Luc Bauwens
Publisher:
ISBN:
Category :
Languages : en
Pages : 226

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Large-eddy Simulations of Combustion Instability in an Axisymmetric Ramjet Combustor

Large-eddy Simulations of Combustion Instability in an Axisymmetric Ramjet Combustor PDF Author: Suresh Menon
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Experimental Effect of Gas Flow Transients on the Heat Release of Burning Liquid Drops in a Rocket Combustor

Experimental Effect of Gas Flow Transients on the Heat Release of Burning Liquid Drops in a Rocket Combustor PDF Author: Marcus F. Heidmann
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 28

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702

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Evaluation of Tangential Velocity Effects on Spinning Transverse Combustion Instability

Evaluation of Tangential Velocity Effects on Spinning Transverse Combustion Instability PDF Author: Marcus F. Heidmann
Publisher:
ISBN:
Category : Rocket engines
Languages : en
Pages : 20

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Investigation of Combustion Instability in Ramjet Combustors

Investigation of Combustion Instability in Ramjet Combustors PDF Author: Dierk Martin Reuter
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 294

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Aerothermodynamics of Gas Turbine and Rocket Propulsion

Aerothermodynamics of Gas Turbine and Rocket Propulsion PDF Author: Gordon C. Oates
Publisher: AIAA
ISBN: 9781600860065
Category : Aerothermodynamics
Languages : en
Pages : 476

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