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Showing 1 to 5 of 5 for “"Afterburner"”.
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A method for the numerical analysis of combustion instabilities with an application to afterburner screech
… on the high frequency screech instability of afterburners. A hybrid numerical method is used that includes separate calculations of the mean flow and of the perturbed field due to the acoustic oscillations. This modularity supports the choice of models that are the most appropriate for …
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Computational analysis of thermo-acoustic instabilities in combustion chambers and afterburners
… include annular combustion chamber and afterburner configurations, hence, apart from the effect of model parameters the effect of geometry on the overall stability of the system is considered in this article. The system's periodicity is leveraged using a recently developed root-of-unity …
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A Performance Study of a Super-cruise Engine with Isothermal Combustion inside the Turbine
… 4) aircraft is a mixed-flow turbofan engine with afterburner. This study investigates the performance increase of a turbofan engine through the use of isothermal combustion inside the high-pressure turbine (High-Pressure Turburner, HPTB) as an alternative form of thrust augmentation. A cycle …
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Advancing turbulent reacting flow simulations with generalisable machine learning models for sub-grid FDF
… assessments on bluff-body stabilised and Volvo afterburner flames show good agreement with experimental measurements, confirming the ANN’s predictive accuracy. Additionally, results from these simulations highlight the ANN’s tendency to predict reaction rates with a more confined reaction zone. …