Letteratura scientifica selezionata sul tema "Combustion instabilitiely pulsed plasma discharges"
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Articoli di riviste sul tema "Combustion instabilitiely pulsed plasma discharges":
Starikovskii, Andrei Y., Nikolay B. Anikin, Ilya N. Kosarev, Eugeny I. Mintoussov, Maria M. Nudnova, Aleksandr E. Rakitin, Dmitry V. Roupassov, Svetlana M. Starikovskaia e Victor P. Zhukov. "Nanosecond-Pulsed Discharges for Plasma-Assisted Combustion and Aerodynamics". Journal of Propulsion and Power 24, n. 6 (novembre 2008): 1182–97. http://dx.doi.org/10.2514/1.24576.
Deng, Jiangge, Ting Li, Jinkui Wang e Chicheng Gao. "Experimental Study of Suppressing the Thermoacoustic Instabilities in a Rijke Tube Using Microsecond Discharge Plasma". Aerospace 9, n. 12 (16 dicembre 2022): 836. http://dx.doi.org/10.3390/aerospace9120836.
Starikovskii, A. Yu, N. B. Anikin, I. N. Kosarev, E. I. Mintoussov, S. M. Starikovskaia e V. P. Zhukov. "Plasma-assisted combustion". Pure and Applied Chemistry 78, n. 6 (1 gennaio 2006): 1265–98. http://dx.doi.org/10.1351/pac200678061265.
Gururajan, Vyaas, e Riccardo Scarcelli. "A nanosecond pulsed discharge circuit model for engine applications". Journal of Physics D: Applied Physics 55, n. 15 (24 gennaio 2022): 155205. http://dx.doi.org/10.1088/1361-6463/ac4726.
Mehdi, Ghazanfar, Sara Bonuso e Maria Grazia De Giorgi. "Effects of Nanosecond Repetitively Pulsed Discharges Timing for Aeroengines Ignition at Low Temperature Conditions by Needle-Ring Plasma Actuator". Energies 14, n. 18 (14 settembre 2021): 5814. http://dx.doi.org/10.3390/en14185814.
Khlyustova, A. V., N. A. Sirotkin, A. V. Agafonov, M. A. Stepovich e M. N. Shipko. "On the Dynamics of Development and the Results of the Action of Electric Discharge in the Aquatic Environment". Поверхность. Рентгеновские, синхротронные и нейтронные исследования, n. 2 (1 febbraio 2023): 57–62. http://dx.doi.org/10.31857/s1028096023020036.
Yang, Suo, Praise Noah Johnson e Taaresh Sanjeev Taneja. "(Invited) Plasma-Assisted Ammonia Combustion and Flare Gas Reforming to Enhance Reactivity and Control Emission". ECS Meeting Abstracts MA2023-01, n. 20 (28 agosto 2023): 1496. http://dx.doi.org/10.1149/ma2023-01201496mtgabs.
Starikovskiy, Andrey, Nickolay Aleksandrov e Aleksandr Rakitin. "Plasma-assisted ignition and deflagration-to-detonation transition". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 370, n. 1960 (13 febbraio 2012): 740–73. http://dx.doi.org/10.1098/rsta.2011.0344.
Barbosa, S., G. Pilla, D. A. Lacoste, P. Scouflaire, S. Ducruix, C. O. Laux e D. Veynante. "Influence of nanosecond repetitively pulsed discharges on the stability of a swirled propane/air burner representative of an aeronautical combustor". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373, n. 2048 (13 agosto 2015): 20140335. http://dx.doi.org/10.1098/rsta.2014.0335.
Bak, Moon Soo, e Mark A. Cappelli. "Numerical studies of nitric oxide formation in nanosecond-pulsed discharge-stabilized flames of premixed methane/air". Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373, n. 2048 (13 agosto 2015): 20140331. http://dx.doi.org/10.1098/rsta.2014.0331.
Tesi sul tema "Combustion instabilitiely pulsed plasma discharges":
Zekad, Mohamed. "Analysis of the response of a set of dampers for thermo-acoustic instabilities". Electronic Thesis or Diss., Toulouse 3, 2023. http://www.theses.fr/2023TOU30386.
Combustion instabilities resulting from a thermo-acoustic coupling represent a difficult obstacle for the design of new combustion systems with reduced pollutant emissions. In ground-based systems they are often hindered with acoustic dampers. This thesis focuses on the analysis of acoustic dampers for thermos-acoustic instabilities by various means and in various applications. The work is divided into three parts. In the first part, the damping performances of perforated plates traversed by a bias flow combined with a resonant back-cavity are studied analytically and experimentally in the linear and nonlinear regimes. Their acoustic response to sound waves of increasing level is investigated in a dedicated setup under cold flow conditions. The impedance of the damper is determined from three microphones. A differential pressure gauge also measures the pressure drop through the plates. Acoustic absorption is analyzed for different plate porosities. It is shown that transition from linear to nonlinear regime depends on the ratio between the acoustic velocity perturbation inside the hole and the bias flow velocity through the perforation. A quasi-steady model valid at low Strouhal numbers is developed to determine the plate response in the nonlinear regime. It is shown that absorption is lower than in the linear regime and that high acoustic forcing leads to an additional pressure drop through the plates. Predictions at the zero and at the forcing frequencies are compared to measurements with reasonable agreement over the frequency band from 100 Hz to 1000 Hz. The impact of plate thickness, distribution of two different hole sizes and a chamfer at the hole outlet are also studied. The analytical model that are developed give relatively good agreement with measurements made in the linear and nonlinear regimes. In the second part, an analytical study is conducted to model the impact of perforates on the acoustic field in a laminar boiler. Firstly, abnormal noise is detected by microphones with instabilities around 1000 Hz. Acoustic calculations are carried out to identify the origin of triggering of these instabilities and identify to which acoustic mode, longitudinal and/or azimuthal, the self-sustained oscillations are coupled to. Perforated plates placed at different locations inside the boiler are then envisaged to damp these oscillations. The system responses are analyzed first without combustion. The analysis is then extended to include both the impact of combustion and perforations on the resulting acoustic field. Criteria are determined for each configuration for the best damper candidates. In the third part, an analytical study completed by a numerical analysis of the acoustic response of a system composed by a plenum, an injection tube and a combustion chamber are carried out. This configuration is modeled as a system of 3 cavities with a flame at the intersection between the injection tube and the combustion chamber. Low frequency thermo-acoustic instabilities corresponding to bulk oscillations of the flow variables are investigated. They are generally associated to a Helmholtz mode of the system, but the associated cavities are rarely fully identified. A low frequency modal analysis demonstrates that bulk flow combustion instabilities taking place in these systems, are essentially controlled by the ratio of the plenum to combustion chamber volumes and by the outlet impedance of the chamber. This is also confirmed independently by a low order modeling of the system dynamics including the flame response to flow rate perturbations. Two configurations featuring intrinsically distinct dynamics when the combustion chamber can or cannot sustain an over-pressure are examined
Tholin, Fabien. "Numerical simulation of nanosecond repetitively pulsed discharges in air at atmospheric pressure : Application to plasma-assisted combustion". Phd thesis, Ecole Centrale Paris, 2012. http://tel.archives-ouvertes.fr/tel-00879856.
Maestro, Dario. "Large Eddy Simulations of the interactions between flames and thermal phenomena : application to wall heat transfer and combustion control". Thesis, Toulouse, INPT, 2018. http://www.theses.fr/2018INPT0074/document.
Interactions between flames and thermal phenomena are the guiding thread of this work. Flamesproduce heat indeed, but can also be affected by it. Large Eddy Simulations (LES) are used hereto investigate these interactions, with a focus on two main topics: wall heat transfer andcombustion control. In a first part, wall heat transfer in a rocket engine sub-scale CH4/O2 burner isstudied. In the context of launchers re-usability and cost reduction, which are major challenges,new propellant combinations are considered and wall heat fluxes have to be precisely predicted.The aim of this work is to evaluate LES needs and performances to simulate this kind ofconfiguration and provide a computational methodology permitting to simulate variousconfigurations. Numerical results are compared to experimental data provided by the TechnischeUniversität München (Germany). In a second part, combustion control by means of NanosecondRepetitively Pulsed (NRP) plasma discharges is studied. Modern gas turbine systems use indeedlean combustion with the aim of reducing fuel consumption and pollutant emissions. Lean flamesare however known to be prone to instabilities and combustion control can play a major role in thisdomain. A phenomenological model which considers the plasma discharges as a heat source isdeveloped and applied to a swirl-stabilized CH4/Air premixed lean burner. LES are performed inorder to evaluate the effects of the NRP discharges on the flame. Numerical results are comparedwith experimental observations made at the King Abdulla University of Science and Technology(Saudi Arabia)
Atti di convegni sul tema "Combustion instabilitiely pulsed plasma discharges":
LEONOV, S. B. "INSTABILITIES OF SUPERSONIC COMBUSTION AT PLASMA-BASED FLAMEHOLDING". In 13th International Colloquium on Pulsed and Continuous Detonations. TORUS PRESS, 2022. http://dx.doi.org/10.30826/icpcd13a04.
Kim, Wookyung, e Jeffrey Cohen. "Plasma-Assisted Combustor Dynamics Control at Ambient and Realistic Gas Turbine Conditions". In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63477.
Gururajan, Vyaas, Riccardo Scarcelli, Sayan Biswas e Isaac Ekoto. "CFD Modeling of Low Temperature Ignition Processes From a Nanosecond Pulsed Discharge at Quiescent Conditions". In ASME 2021 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/icef2021-67902.
Pertl, Franz A., e James E. Smith. "Feasibility of Pulsed Microwave Plasma Ignition for Use in SI-Engines". In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1776.
Schulz, Joey, e Suresh Menon. "Large Eddy Simulation of Non-Equilibrium Pulsed Arc Discharges for Plasma-Assisted Combustion in Supersonic Flow". In 16th AIAA/DLR/DGLR International Space Planes and Hypersonic Systems and Technologies Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-7209.
Vorenkamp, Madeline, Andrey Starikovskiy, Christopher Kliewer e Yiguang Ju. "Laser Induced Fluorescence and High Speed Imaging of Nanosecond-Pulsed Discharges for Application in Plasma Assisted Combustion in a Microchannel". In AIAA SCITECH 2023 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2023. http://dx.doi.org/10.2514/6.2023-2057.
Lacoste, D. A., J. P. Moeck, D. Durox, C. O. Laux e T. Schuller. "Effect of Nanosecond Repetitively Pulsed Discharges on the Dynamics of a Swirl-Stabilized Lean Premixed Flame". In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94769.
Blanchard, Victorien P., Frédéric Roqué, Philippe Scouflaire, Christophe O. Laux e Sébastien Ducruix. "Lean Flame Stabilization With Nanosecond Plasma Discharges in a Gas Turbine Model Combustor". In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-102621.
BULAT, P. V., I. I. ESAKOV, L. P. GRACHEV, M. E. RENEV, K. N. VOLKOV e I. A. VOLOBUEV. "IMPROVEMENT OF IGNITION SYSTEM OF DETONATION ENGINES WITH AN INITIATED MICROWAVE SUBCRITICAL STREAMER DISCHARGE". In 13th International Colloquium on Pulsed and Continuous Detonations. TORUS PRESS, 2022. http://dx.doi.org/10.30826/icpcd13a05.
Rapporti di organizzazioni sul tema "Combustion instabilitiely pulsed plasma discharges":
Cappelli, Mark, e M. Godfrey Mungal. Plasma-Enhanced Combustion of Hydrocarbon Fuels and Fuel Blends Using Nanosecond Pulsed Discharges. Office of Scientific and Technical Information (OSTI), ottobre 2014. http://dx.doi.org/10.2172/1162264.