Results 21 to 30 of about 27,437 (306)
Modeling for Active Control of Combustion and Thermally Driven Oscillations [PDF]
, 1991 Organized oscillations excited and sustained by high densities of energy release in combustion chambers have long caused serious problems in development of propulsion systems.
Culick, F. E. C. +3 more
core +1 more source
Numerical Simulations of Combustion Instabilities in a Combustor with an Augmentor-Like Geometry
Aerospace, 2019 With the goal of assessing the capability of Computational Fluid Dynamics (CFD) to simulate combustion instabilities, the present work considers a premixed, bluff-body-stabilized combustor with well-defined inlet and outlet boundary conditions.
Esteban Gonzalez-Juez
doaj +1 more source
Journal of Combustion, 2022 Lean premixed (LPM) combustion processes are of increased interest to the gas turbine industry due to their reduction in harmful emissions. These processes are susceptible to thermoacoustic instabilities, which are produced when energy added by an in ...
Cody Dowd, Joseph Meadows
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Impact of local secondary gas addition on the dynamics of self-excited ethylene flames
International Journal of Thermofluids, 2021 Advanced combustion strategies for gas turbine applications, such as lean burn operation, have been shown to be effective in reducing NOx emissions and increasing fuel efficiency.
Taaha Hussain +2 more
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Experimental Insights into Thermodiffusive Instabilities in Lean Hydrogen Combustion
EngineeringAs a carbon-free carrier for renewable energies, hydrogen has the potential to contribute to the success of the energy transition. In addition to electrochemical applications, thermochemical applications will continue to play an important role in high ...
Tao Li, Benjamin Böhm, Andreas Dreizler
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Electrically Driven Supersonic Combustion
Energies, 2018 This manuscript reviews published works related to plasma assistance in supersonic combustion; focusing on mixing enhancement, ignition and flameholding. A special attention is paid for studies, which the author participated in person.
Sergey B. Leonov
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Combined Optic-Acoustic Monitoring of Combustion in a Gas Turbine
International Journal of Turbomachinery, Propulsion and Power, 2020 The need for better combustion monitoring in gas turbines has become more acute with the latest technical requirements, standards, and policies in terms of safety, environment, efficiency, operation flexibility, and operation costs.
Fabrice Giuliani +4 more
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Non-linear simulations of combustion instabilities with a quasi-1D Navier-Stokes code
, 2010 As lean premixed combustion systems are more susceptible to combustion instabilities than non-premixed systems, there is an increasing demand for improved numerical design tools that can predict the occurrence of combustion instabilities with high ...
Allam +29 more
core +1 more source
Large-Eddy Simulation of combustion instabilities in a variable-length combustor. [PDF]
, 2013 This article presents a simulation of a model rocket combustor with continuously variable acoustic properties thanks to a variable-length injector tube. Fully compressible Large-Eddy Simulations are conducted using the AVBP code.
Garby, Romain +2 more
core +3 more sources
Regarding the evaluation of the solid rocket propellant response function to pressure coupling [PDF]
INCAS Bulletin, 2011 High frequency combustion instabilities imply a major risk for the solid rocket motor stableworking and they are directly linked to the propellant response to chamber pressure coupling.
Ioan ION, Titica VASILE, Doru SAFTA
doaj +1 more source