Littérature scientifique sur le sujet « Impinging flame »
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Articles de revues sur le sujet "Impinging flame"
Leu, Jai Houng, et Ay Su. « Structure of Combustion Enhancement on Impinging Diffusion Flame ». Applied Mechanics and Materials 152-154 (janvier 2012) : 872–76. http://dx.doi.org/10.4028/www.scientific.net/amm.152-154.872.
Texte intégralKo, H. S., S. S. Ahn, S. H. Baek et T. Kim. « Development of Combined Optical System for Thermal Analysis of Impinging Flames ». Key Engineering Materials 326-328 (décembre 2006) : 71–74. http://dx.doi.org/10.4028/www.scientific.net/kem.326-328.71.
Texte intégralPark, Kweonha. « The flame behaviour of liquefied petroleum gas spray impinging on a flat plate in a constant volume combustion chamber ». Proceedings of the Institution of Mechanical Engineers, Part D : Journal of Automobile Engineering 219, no 5 (1 mai 2005) : 655–63. http://dx.doi.org/10.1243/095440705x11031.
Texte intégralBERGTHORSON, JEFFREY M., SEAN D. SALUSBURY et PAUL E. DIMOTAKIS. « Experiments and modelling of premixed laminar stagnation flame hydrodynamics ». Journal of Fluid Mechanics 681 (23 juin 2011) : 340–69. http://dx.doi.org/10.1017/jfm.2011.203.
Texte intégralAy, Su, et Liu Ying-Chieh. « Enhancements of impinging flame by pulsation ». Journal of Thermal Science 9, no 3 (septembre 2000) : 271–75. http://dx.doi.org/10.1007/s11630-000-0062-6.
Texte intégralJiang, Xi, Hua Zhao et Kai H. Luo. « Direct Numerical Simulation of a Non-Premixed Impinging Jet Flame ». Journal of Heat Transfer 129, no 8 (20 septembre 2006) : 951–57. http://dx.doi.org/10.1115/1.2737480.
Texte intégralUppatam, Nuttamas, Wongsathon Boonyopas, Chattawat Aroonrujiphan, Natthaporn Kaewchoothong, Somchai Sae-ung et Chayut Nuntadusit. « Heat Transfer Characteristic for Premixed Flame Jet from Swirl Chamber ». Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 77, no 2 (14 novembre 2020) : 33–46. http://dx.doi.org/10.37934/arfmts.77.2.3346.
Texte intégralChen, Yiran, Tong Yao, Qian Wang et Kai Hong Luo. « Large eddy simulation of impinging flames : Unsteady ignition and flame propagation ». Fuel 255 (novembre 2019) : 115734. http://dx.doi.org/10.1016/j.fuel.2019.115734.
Texte intégral., Shankar Badiger. « FLAME SHAPES AND HEAT TRANSFER CHARACTERISTICS OF AN IMPINGING FLAME JET ». International Journal of Research in Engineering and Technology 05, no 25 (25 septembre 2016) : 115–18. http://dx.doi.org/10.15623/ijret.2016.0525020.
Texte intégralSun, Meng, Jieyu Jiang, Yongzhe Yu, Canxing He, Kun Liu et Bin Zhang. « The impinging wall effect on flame dynamics and heat transfer in non-premixed jet flames ». Thermal Science, no 00 (2022) : 76. http://dx.doi.org/10.2298/tsci220126076s.
Texte intégralThèses sur le sujet "Impinging flame"
Wang, Aijuan. « Experimental and numerical investigation of the confinement effect on the impinging flame in a compartment ». Electronic Thesis or Diss., Bourges, INSA Centre Val de Loire, 2021. http://www.theses.fr/2021ISAB0002.
Texte intégralThe phenomenon of diffusion impinging flame is common in industrials, leading to disas-trous consequences in terms of life and property. When impinging flame occurs in a compart-ment, it may enhance the risk of fire propagation and pose a greater threat to trapped people. Lots of studies dealt with flame impinging an unconfined or confined ceiling while little work focused on the impinging flame in a confined compartment. With the objective of providing understanding related to the confinement effect on the impinging flame in a compartment, both experimental and numerical studies carried out to build up the framework of this thesis. A compartment model representing a reduced scale (1:10) student compartment was uti-lized based on the scaling law such that a test bench with suitable instrumentations for carrying out measurements was developed. Configurations of five confinement levels were constructed by the condition of windows and door in the compartment and heat release rate (HRR) was var-ied between 0.5 kW and 18.6 kW. Through series of experiments, the confinement effect on the dynamics of flame impinging a ceiling was addressed with physicochemical parameters, such as flame extension, flame oscillation, temperature distribution and gas analysis. In addition, on account of the numerical modeling of flame impinging a ceiling using the CFD code: Fire Dynamics Simulator (FDS), it was possible to provide additional elements in the analysis of reactive flows associated with the flame-wall interaction as a function of the confinement level. The choice of numerical models was made on the basis of a preliminary study aimed at justifying the reliability and precision of the numerical modelling in reproducing the experimental data as well as the empirical correlations obtained in the literatures. From the analyzes in this study, it is possible to provide guidance for fire safety engineering in the field of fire risk assessment and fire protection design of buildings
Asgyer, Abulkasem A. « Turbulent premixed impinging flames ». Thesis, University of Manchester, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488202.
Texte intégralAbdullatif, Tawfik A. « Turbulent diffusion impinging flames ». Thesis, University of Manchester, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488402.
Texte intégralChien, Yu-Chien. « Electrical Aspects of Impinging Flames ». Thesis, University of California, Irvine, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3682710.
Texte intégralThis dissertation examines the use of electric fields as one mechanism for controlling combustion as flames are partially extinguished when impinging on nearby surfaces. Electrical aspects of flames, specifically, the production of chemi-ions in hydrocarbon flames and the use of convective flows driven by these ions, have been investigated in a wide range of applications in prior work but despite this fairly comprehensive effort to study electrical aspects of combustion, relatively little research has focused on electrical phenomena near flame extinguishment, nor for flames near impingement surfaces. Electrical impinging flames have complex properties under global influences of ion-driven winds and flow field disturbances from the impingement surface. Challenges of measurements when an electric field is applied in the system have limited an understanding of changes to the flame behavior and species concentrations caused by the field. This research initially characterizes the ability of high voltage power supplies to respond on sufficiently short time scales to permit real time electrical flame actuation. The study then characterizes the influence of an electric field on the impinging flame shape, ion current and flow field of the thermal plume associated with the flame. The more significant further examinations can be separated into two parts: 1) the potential for using electric fields to control the release of carbon monoxide (CO) from surface-impinging flames, and 2) an investigation of controlling electrically the heat transfer to a plate on which the flame impinges. Carbon monoxide (CO) results from the incomplete oxidation of hydrocarbon fuels and, while CO can be desirable in some syngas processes, it is usually a dangerous emission from forest fires, gas heaters, gas stoves, or furnaces where insufficient oxygen in the core reaction does not fully oxidize the fuel to carbon dioxide and water. Determining how carbon monoxide is released and how heat transfer from the flame to the plate can be controlled using the electric field are the two main goals of this research. Multiple diagnostic techniques are employed such as OH chemiluminescence to identify the reaction zone, OH PLIF to characterize the location of this radical species, CO released from the flame, IR imaging and OH PLIF thermometry to understand the surface and gas temperature distribution, respectively. The principal finding is that carbon monoxide release from an impinging diffusion flame results from the escape of carbon monoxide created on the fuel side of the flame along the boundary layer near the surface where it avoids oxidation by OH, which sits to the air side of the reaction sheet interface. In addition, the plate proximity to the flame has a stronger influence on the emission of toxic carbon monoxide than does the electric field strength. There is, however, a narrow region of burner to surface distance where the electric field is most effective. The results also show that heat transfer can be spatially concentrated effectively using an electric field driven ion wind, particularly at some burner to surface distances.
Virk, Akashdeep Singh. « Heat Transfer Characterization in Jet Flames Impinging on Flat Plates ». Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/52985.
Texte intégralMaster of Science
Bergthorson, Jeffrey Myles Dimotakis Paul E. « Experiments and modeling of impinging jets and premixed hydrocarbon stagnation flames / ». Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-05242005-165713.
Texte intégralWasson, Rachel Ann. « Separation of the Heat Transfer Components for Diffusion Flames Impinging onto Ceilings ». Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50588.
Texte intégralMaster of Science
McDaid, Chloe. « Developing and implementing advanced optical diagnostics for the investigation of fuel and flow effects on impinging jet flames ». Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/5166/.
Texte intégralWen, Ming-Houng, et 溫明晃. « A study on Jet Impinging Flame ». Thesis, 1999. http://ndltd.ncl.edu.tw/handle/06516648712659137193.
Texte intégral元智大學
機械工程研究所
87
The structures of the jet impinging flame are observed under different impinging angles, Renolds number and fuel dilution. The impinging flame of methane fuel is therefore constructed at the stagnation plane. This simple mechanism may reduce the combustion length and the combustion efficiency. But there is a high temperature flashback in the root of flame. When the Renolds number increase, the temperature of impinging flame reduce at the stagnation point and the combustion efficiency increase. Along with the ration of volume nitrogen and volume methane, the combustion length is reduced and the blue proportion of flame is increased. The temperature distribution of flame is uniform, too. Along with the impinging angle is increased, the area of flashback in the root of flame obvious more and more.
Shu, Ke-Neng, et 徐可能. « A Study on Impinging Angle Effect on Jet-to-Jet Impinging Pulsation Flame ». Thesis, 2001. http://ndltd.ncl.edu.tw/handle/04022024674672860663.
Texte intégral元智大學
機械工程研究所
89
Experimental investigations on the pulsating jet-impinging diffusion flame were executed. A solenoid valve was aligned upstream of the jet orifice and the methane fuel and the outlet-field condition were controlled in open-closed cycles from 2 Hz to 17 Hz. By changing some parameters such as impinging angle, outlet fuel Renault Number and fuel supplying pulsation frequencies, to confer the changing of the temperature contours of a impinging jet diffusion flame. Results show that a solenoid which is the impinging jet flame source supplying a regular disturbing fountainhead to increase the turbulence flow strength can get better flame stability; the flame length between 13 Hz to 15 Hz was lower than that without pulsating, and the impinging angle at 54 degree with more obviously shorting phenomenon can improve the designed length of the burning room; observing temperature contour plane, a solenoid as a fuel supplying source can burn the fuel more completely because the reacting fuel molecules in the flame increase as a result of sucking more air by interrupted frequency. We can get a better burning efficiency when the operating frequency at about 13 Hz in flame temperature contours. Results show that the best operating frequency is at about 13 Hz, and if the frequency were below 10 Hz, it would result an uncontinuous burning and decrease the stability of the flame.
Chapitres de livres sur le sujet "Impinging flame"
Lim, S., Y. Yoon, C. Lee et I. S. Jeung. « Effect of strain rate on NOx emission in opposed impinging jet flame combustor ». Dans Laser Techniques for Fluid Mechanics, 527–39. Berlin, Heidelberg : Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-08263-8_32.
Texte intégralKo, H. S., S. S. Ahn, S. H. Baek et T. Kim. « Development of Combined Optical System for Thermal Analysis of Impinging Flames ». Dans Experimental Mechanics in Nano and Biotechnology, 71–74. Stafa : Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-415-4.71.
Texte intégral« Modeling Impinging Flame Jets ». Dans Computational Fluid Dynamics in Industrial Combustion, 471–512. CRC Press, 2000. http://dx.doi.org/10.1201/9781482274363-21.
Texte intégralMahmud, Rizal, et Iis Rohmawati. « Effect of Injection Pressure on Local Temperature and Soot Emission Distribution of Flat-Wall Impinging Diesel Flame under Diesel Engine like-Condition ». Dans Diesel Engines [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102867.
Texte intégralActes de conférences sur le sujet "Impinging flame"
Dong, Mingchun, et David G. Lilley. « Impinging Flame Prediction for CVD Diamond Synthesis ». Dans ASME 1993 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/cie1993-0056.
Texte intégralChander, Subhash, et Anjan Ray. « Investigation of Flame Structure for Laminar Methane/Air Flame Impinging on a Flat Surface ». Dans ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88195.
Texte intégralKaushal, Arun, Gurpreet Singh, Subhash Chander et Anjan Ray. « Heat Transfer Characteristics of Low Reynolds Number Turbulent Swirling LPG/Air Flame Impinging on a Flat Surface ». Dans 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22366.
Texte intégralAhmed, Ikram, et Ildar Sabirov. « Inverse Calculation of Flame Impingement Heat Transfer ». Dans ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98450.
Texte intégralFan, Luming, Bruno Savard, Benoît Fond, Antoine Durocher, Jeffrey Bergthorson, Spencer Carlyle et Patrizio Vena. « Mechanisms Leading to Stabilization and Incomplete Combustion in Lean CH4/H2 Swirling Wall-Impinging Flames ». Dans ASME Turbo Expo 2023 : Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-104140.
Texte intégralHuang, X. Q., C. W. Leung et C. K. Chan. « Effect of Swirl Intensity on the Heat Performance of a Premixed Circular Impinging Flame Jet With Swirl Induced ». Dans ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72750.
Texte intégralGomez-Ramirez, David, Srinath V. Ekkad, Brian Y. Lattimer, Hee-Koo Moon, Yong Kim et Ram Srinivasan. « Separation of Radiative and Convective Wall Heat Fluxes Using Thermal Infrared Measurements Applied to Flame Impingement ». Dans ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52322.
Texte intégralSingh, Gurpreet, et Subhash Chander. « Effect of Swirl Intensity on Heat Transfer Characteristics of Swirling Flame Impinging on a Flat Surface ». Dans ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64178.
Texte intégralPalies, Paul, Daniel Durox, Thierry Schuller et Se´bastien Candel. « Swirling Flame Instability Analysis Based on the Flame Describing Function Methodology ». Dans ASME Turbo Expo 2010 : Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22294.
Texte intégralKreuder, John, Xinfeng Gao et Allan Kirkpatrick. « Computation of Heat Transfer from an Impinging Flame Jet to a Plane Surface ». Dans 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-605.
Texte intégralRapports d'organisations sur le sujet "Impinging flame"
Kokkala, M. A., et W. J. Rinkinen. Some observations on the shape impinging diffusion flames. Gaithersburg, MD : National Bureau of Standards, 1987. http://dx.doi.org/10.6028/nbs.ir.87-3505.
Texte intégral