Thematische Bibliographien / Combustion chambre

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „Combustion chambre“

Autor: Grafiati
Veröffentlicht am 28. Juni 2021
Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "Combustion chambre"

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Vernocchi, Virginia, Marco Brunoldi, Silvia G. Danelli, Franco Parodi, Paolo Prati, and Dario Massabò. "Characterization of soot produced by the mini inverted soot generator with an atmospheric simulation chamber." Atmospheric Measurement Techniques 15, no. 7 (2022): 2159–75. http://dx.doi.org/10.5194/amt-15-2159-2022.

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Abstract. The performance of a mini inverted soot generator (MISG) has been investigated at ChAMBRe (Chamber for Aerosol Modelling and Bio-aerosol Research) by studying the properties of soot particles generated by ethylene and propane combustion. This work deepens and expands the existing characterization of the MISG, which also exploits an atmospheric simulation chamber (ASC). Different from previous works, MISG performance has been also tested at different fuel flows and higher global equivalence ratios. MISG exhausts were investigated after their injection inside the atmospheric simulation
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Léger, Bruno, Patrick André, Guy Grienche, and Gérard Schott. "Contrôle thermique de parois de chambre de combustion. Banc d'essai du laboratoire aquitain de recherche en aérothermique." Revue Générale de Thermique 35, no. 417 (1996): 625–30. http://dx.doi.org/10.1016/s0035-3159(96)80025-0.

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Kashdan, Julian. "Visualisation du mélange gazeux au sein de la chambre de combustion des moteurs par la fluorescence induite par laser." Photoniques, no. 52 (March 2011): 34–36. http://dx.doi.org/10.1051/photon/20115234.

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Evita Leninda Fahriza Ayuni, Andinusa Rahmandhika, Daryono, et al. "The Effect of Insulation Thickness on Heat Transfer Characteristics and Flammability in Tube Mesoscale Combustors." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 116, no. 2 (2024): 157–71. http://dx.doi.org/10.37934/arfmts.116.2.157171.

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Micropower generator is a micro-scale energy source that has two main components, namely a micro/mesoscale combustor and thermophotovoltaics (TPV). The micro-scale combustor is one part that functions as a combustion chamber that produces heat in micropower plants. Heptane is used as fuel, while the combustor combustion chamber with a diameter of 3.5 mm is made from duraluminium-quart glass tube. Combustion stability in the combustion chamber is influenced by several factors, such as temperature, geometry, and combustion chamber design. In order to maintain flame stability, mesh is added to th
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Łapinski, Damian, and Janusz Piechna. "Improvements in the turbo-engine by replacement of conventional combustion chamber by a pulse combustion chamber." Archive of Mechanical Engineering 60, no. 4 (2013): 481–94. http://dx.doi.org/10.2478/meceng-2013-0029.

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Abstract This paper comprises description of the turbo engine and evaluation of its analytical model. The analytical model was created to establish a benchmark for further evaluation of a wave rotor combustor (at constant volume). The wave rotor combustor concept was presented and discussed. Advantages of combustion at constant volume were described as well as the basic turbo engine updates required to reflect pulse combustor application. The calculation results for analytical model of a basic engine, and that equipped with pulse combustor are included in this paper. The paper describes the re
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Hery Soegiharto, Achmad Fauzan, Ali Mokhtar, Sudarman, and Satworo Adiwidodo. "Role of Flue Gas Inhibitor on Stabilizing Heptane Flame in Meso Scale Combustor." Journal of Energy, Mechanical, Material, and Manufacturing Engineering 6, no. 2 (2021): 111–18. https://doi.org/10.22219/jemmme.v6i2.19458.

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Mesoscale combustor is one of the components that serves to generate heat on a micro power generator. As one of the components of a micro power generator, meso scale combustor serves to supply heat through the combustion process. The stability of the flame in the combustion chamber meso scale combustor is influenced by the temperature of the combustion chamber. One way to maintain a high temperature in the combustion chamber is to insert a flue gas stainless steel mesh resistor.. This research aims to prove the role of flue gas mesh resistors in stabilizing the flame on the meso scale combusto
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Ding, Shibin, Qingzhi Wang, and Weizhuo Hua. "Intelligent control chamber for plasma-enhanced combustion." Journal of Physics: Conference Series 2483, no. 1 (2023): 012066. http://dx.doi.org/10.1088/1742-6596/2483/1/012066.

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Abstract At present, there are some problems with aero-engine, such as insufficient high-altitude point/flameout boundary, smoke in large conditions, and easy flameout in slow trains with poor oil, which seriously threaten flight safety. Aiming at the problem of insufficient high altitude stable combustion range, an intelligent control combustor of plasma-enhanced combustion is proposed in this paper. The sliding arc exciter is perfectly combined with the combustor head and the pre-burning sliding arc jet igniter is used as the technical basis of the enhanced combustion. Based on the working e
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Naeemi, Saeed, and Seyed Abdolmehdi Hashemi. "Numerical investigations on the liftoff velocity of H2-air premixed combustion in a micro-cylindrical combustor with gradually changed section area." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 17 (2020): 3497–508. http://dx.doi.org/10.1177/0954406220914925.

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Sustaining and stabilizing flames are crucial issues in micro-combustion. In some micro-electro-mechanical systems such as the micro-thermophotovoltaic system, the flame should be formed in the combustion chamber, not outside it (combustion without liftoff). So, study of the liftoff phenomenon is important and vital in these systems. The aim of this study is to evaluate effect of changing combustor section area on the critical liftoff velocity in a micro-cylindrical combustor. For this purpose, the critical liftoff velocities are numerically identified for four combustor configurations (conver
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Qian, Yu Fen, Yan Ying Xu, and Ti Hai Xu. "Combustion Characteristics of a Helmholtz-Type Valveless Self-Excited Pulse Combustor." Applied Mechanics and Materials 291-294 (February 2013): 1719–22. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.1719.

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Combustion characteristics of a Helmholtz-type valveless self-excited pulse combustor with continuous supply of gas and air were studied. The physical and mathematical models are established based on the actual pulse combustor, and the combustion characteristics are simulated with CFD. The results show that the possible re-ignition sources for the pulse combustion may be three. The first source may be the hot remnant gas near gas/air mixture. The second re-ignition source may be the high-temperature combustion chamber wall. The third ignition source is the unburned mixture. The pressure, tempe
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Kuang, Hui, Xianpu Zhong, Junhao Wei, Fei Xing, and Zhenyin Hai. "Research on Dynamic Temperature at Outlet of Centrally Staged Combustor Based on TDLAS Technology." Sensors 25, no. 7 (2025): 2256. https://doi.org/10.3390/s25072256.

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High-frequency oscillations occur in the centrally staged combustor during operation. To effectively suppress them, real-time monitoring of the combustor exit temperature is critical. However, traditional contact temperature measurement methods are inadequate for accurately capturing temperature variations in the turbulent flow field. Tunable Diode Laser Absorption Spectroscopy (TDLAS) with a high acquisition frequency is employed to measure the temperature of the centrally staged combustor, utilizing a non-contact sensing method. The influence of various combustion parameters on the uniformit
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Dissertationen zum Thema "Combustion chambre"

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Philip, Maxime. "Dynamique de l’allumage circulaire dans les foyers annulaires multi-injecteurs." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLC034/document.

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L’allumage constitue une phase critique dans de nombreuses applications de combustion et plus particulièrement dans celles qui sont liées à la propulsion aéronautique et spatiale. Un des défis actuels a été de développer des simulations aux grandes échelles de ce phénomène transitoire dans des configurations réalistes comme celles trouvées dans les moteurs aéronautiques. A cet égard, le travail pionnier de Boileau et al. (2008)a indiqué que des calculs complets de ce processus pouvaient être réalisés dans des géométries complètes de chambre de combustion annulaire et que ces calculs pouvaient
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Prieur, Kevin. "Dynamique de la combustion dans un foyer annulaire multi-injecteurs diphasique." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLC070/document.

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Ces dernières décennies ont vu apparaître de nombreuses innovations dans le domaine de la combustion afin de réduire la consommation et les émissions polluantes. De nouveaux types d'injecteur, de type LPP - Lean Premixed Prevaporized, ont été mis au point permettant de diminuer le rapport combustible/air et visent à pré-vaporiser le carburant en amont de la combustion afin de mieux le mélanger à l'air issu du compresseur. Cette architecture permet une amélioration de la consommation et des émissions polluantes, mais rend les foyers annulaires plus sensibles à des phénomènes instationnaires qui
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Cuif, Sjöstrand Marianne. "Simulations Numériques Directes d’une méso-chambre de combustion : Mise en oeuvre et analyses." Thesis, Rouen, INSA, 2012. http://www.theses.fr/2012ISAM0022/document.

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La méso-combustion est le régime de combustion où la taille caractéristique du domaine est juste supérieure à la distance de coincement de la flamme , typiquement de l'ordre du centimètre. La difficile réalisation de systèmes de combustion fonctionnant en ce régime de flamme particulier suscite l'intérêt : il devient alors possible de tirer parti de la haute densité énergétique des hydrocarbures pour concevoir des systèmes de production d'énergie plus compacts. Nous nous intéressons à la réalisation de calculs DNS compressibles d'une chambre de combustion cubique de 8 x 10 x 8 mm3. Ce travail
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Moreau, Denis. "Etude de mélange de jets gazeux dans une chambre de combustion." Rouen, 1988. http://www.theses.fr/1988ROUES043.

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Etude expérimentale du mélange de plusieurs jets ronds gazeux dans différents types de configuration (doublet, triplet, quintriplet, multitriplet). Emploi de deux méthodes de diagnostic: visualisation par tomographie flash (étude qualitative de la structure des jets avant et après l'interaction) et méthode thermique (évolution du mélange par la mesure des caractéristiques du champ de température)
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Kechabia, Rachid Alexandre. "Etude experimentale et numerique d'une chambre de combustion de laser chimique." Paris 6, 1992. http://www.theses.fr/1992PA066195.

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Des instabilites basse frequence perturbent le fonctionnement des lasers chimiques ayant probablement leur origine dans la chambre de combustion. Il a donc ete decide d'entreprendre une etude detaillee, a la fois numerique et experimentale, de l'ecoulement dans une telle chambre. Dans le premier chapitre on etudie experimentalement les phenomenes de melange et d'interaction de jets issus de divers types d'injecteurs. Un certain nombre de visualisations par tomographie laser et de phenomenes originaux sont montres. L'interet de cette partie reside dans la possibilite de mieux definir a la fois
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Moreau, Denis. "Etude de mélange de jets gazeux dans une chambre de combustion." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37616639q.

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Courtois, Raphaël. "Simulation aux grandes échelles de l'écoulement dans un chambre de combustion en forme de marche descendante." Châtenay-Malabry, Ecole centrale de Paris, 2005. http://www.theses.fr/2005ECAP1004.

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Cette thèse est consacrée à la simulation aux grandes échelles (SGE) de l’écoulement dans une chambre de combustion en forme de marche descendante. Cette technique de simulation rend possible l’étude des phénomènes instationnaires et permet en particulier d’analyses le couplage entre la dynamique du front de flamme et l’écoulement. Dans le cadre de cette thèse, la chambre d’expérimentale en forme de marche descendante appelée chambre A3C a été choisie comme cas test. Cette chambre a en effet été l’objet, au laboratoire LAERTE de l’ONERA, de nombreuses mesures qui ont permis d’établir une base
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Fortier-Topping, Hugo. "Conception d'une chambre de combustion pour la microturbine à gaz SRGT-2." Mémoire, Université de Sherbrooke, 2014. http://hdl.handle.net/11143/5417.

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Dans un contexte mondial où les ressources énergétiques commencent à se faire rares, beaucoup de recherches se font sur l’amélioration de l’efficacité thermique et de la densité de puissance des sources d’énergie existantes. Ainsi, un projet de développement d’une microturbine à gaz avec une architecture de nouveau genre permettant d’augmenter la densité de puissance tout en réduisant les coûts a vu le jour. La recherche proposée dans le présent document se concentre sur la conception et la caractérisation d’une chambre de combustion et d’un banc d’essai pour la turbine SRGT-2. Une chamb
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Erchiqui, Fouad. "Modelisation mathematique d'une chambre de combustion par la methode des plans imaginaires." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1987. http://theses.uqac.ca.

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Memoire (Sc. A.) --Universite du Quebec a Chicoutimi, 1987.<br>En tete du titre: Memoire presente a l'Universite du Queec a Chicoutimi comme exigence partielle pour l'obtention du grade de maitre es sciences appliquees. CaQCU Bibliogr.: ff. 60-61. Document électronique également accessible en format PDF. CaQCU
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Alizon, Franck Pascal. "Transferts de chaleur convectifs dans la chambre de combustion des moteurs à combustion interne : Influence de l'aérodynamique interne." Paris 6, 2005. http://www.theses.fr/2005PA066116.

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Bücher zum Thema "Combustion chambre"

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Council, Coordinating Research, Coordinating Research Council. Performance Committee., and CRC Deposit Group. Combustion Chamber Deposit Program Panel., eds. Combustion chamber deposit research tool development. Coordinating Research Council, 2002.

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J, Przekwas A., and United States. National Aeronautics and Space Administration., eds. Combustion chamber analysis code: Final report. CFD Research Corp., 1993.

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Center, Lewis Research, ed. Fluids and combustion facility--combustion integrated rack. National Aeronautics and Space Administration, Lewis Research Center, 1998.

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Grigorʹev, A. V. Teorii︠a︡ kamery sgoranii︠a︡. Nauka, 2010.

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Quentmeyer, Richard J. Rocket combustion chamber life-enhancing design concepts. National Aeronautics and Space Administration, Lewis Research Center, 1990.

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Moon, H. J. Soot generation in a diesel combustion chamber. UMIST, 1996.

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Hu, Tin Cheung John. An experimental and computational investigation of an annular reverse-flow combustor. University of Toronto, 1991.

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Tamaru, Takashi. Hydrogen fueled subsonic-ram-combustor model tests for an air-turbo-ram engine. National Aerospace Laboratory, 1990.

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Shyy, W. A numerical study of flow in gas-turbine combustor. AIAA, 1987.

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Gafurov, R. A. Diagnostika vnutrikamernykh prot͡s︡essov v ėnergeticheskikh ustanovkakh. "Mashinostroenie", 1991.

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Buchteile zum Thema "Combustion chambre"

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Seitz, Timo, Ansgar Lechtenberg, and Peter Gerlinger. "Rocket Combustion Chamber Simulations Using High-Order Methods." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_24.

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Abstract High-order spatial discretizations significantly improve the accuracy of flow simulations. In this work, a multi-dimensional limiting process with low diffusion (MLP$$^\text {ld}$$) and up to fifth order accuracy is employed. The advantage of MLP is that all surrounding volumes of a specific volume may be used to obtain cell interface values. This prevents oscillations at oblique discontinuities and improves convergence. This numerical scheme is utilized to investigate three different rocket combustors, namely a seven injector methane/oxygen combustion chamber, the widely simulated Pe
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El Hefni, Baligh, and Daniel Bouskela. "Combustion Chamber Modeling." In Modeling and Simulation of Thermal Power Plants with ThermoSysPro. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05105-1_8.

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Armbruster, Wolfgang, Justin S. Hardi, and Michael Oschwald. "Experimental Investigation of Injection-Coupled High-Frequency Combustion Instabilities." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_16.

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Abstract Self-excited high-frequency combustion instabilities were investigated in a 42-injector cryogenic rocket combustor under representative conditions. In previous research it was found that the instabilities are connected to acoustic resonance of the shear-coaxial injectors. In order to gain a better understanding of the flame dynamics during instabilities, an optical access window was realised in the research combustor. This allowed 2D visualisation of supercritical flame response to acoustics under conditions similar to those found in European launcher engines. Through the window, high
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Dunayevska, Nataliya, Taras Shchudlo, Ihor Beztsennyi, Dmytro Bondzyk, and Yevhen Miroshnychenko. "Scientific and technical solutions for the implementation of biomass burning at coal-fired thermal power plants of Ukraine." In ENERGY SYSTEMS AND RESOURCES: OPTIMISATION AND RATIONAL USE. TECHNOLOGY CENTER PC, 2024. https://doi.org/10.15587/978-617-8360-02-3.ch5.

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The purpose of the study is to develop a technology for co-combustion of coal and biomass that will reduce CO2, SO2, NOx, and dust emissions, as well as diversify fuel sources for TPPs in order to meet the standards for reducing pollutant emissions and solve problems with coal supply to power plants, and improve the conditions for coal ignition in the combustion chamber. The article provides an overview of biomass combustion and gasification technologies and their application for co-combustion with coal, and the possibility of their use in boiler units of thermal power plants in Ukraine. The c
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Haidn, Oskar J., Nikolaus A. Adams, Rolf Radespiel, et al. "Collaborative Research for Future Space Transportation Systems." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_1.

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Abstract This chapter book summarizes the major achievements of the five topical focus areas, Structural Cooling, Aft-Body Flows, Combustion Chamber, Thrust Nozzle, and Thrust-Chamber Assembly of the Collaborative Research Center (Sonderforschungsbereich) Transregio 40. Obviously, only sample highlights of each of the more than twenty individual projects can be given here and thus the interested reader is invited to read their reports which again are only a summary of the entire achievements and much more information can be found in the referenced publications. The structural cooling focus are
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Olmeda, R., P. Breda, C. Stemmer, and M. Pfitzner. "Large-Eddy Simulations for the Wall Heat Flux Prediction of a Film-Cooled Single-Element Combustion Chamber." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_14.

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Abstract In order for modern launcher engines to work at their optimum, film cooling can be used to preserve the structural integrity of the combustion chamber. The analysis of this cooling system by means of CFD is complex due to the extreme physical conditions and effects like turbulent fluctuations damping and recombination processes in the boundary layer which locally change the transport properties of the fluid. The combustion phenomena are modeled by means of Flamelet tables taking into account the enthalpy loss in the proximity of the chamber walls. In this work, Large-Eddy Simulations
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Pfeifer, Christian, Jonas P. Moeck, C. Oliver Paschereit, and Lars Enghardt. "Localization of Sound Sources in Combustion Chambers." In Combustion Noise. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02038-4_10.

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Huang, Minchao, Yuqiang Cheng, Jia Dai, and Jian Li. "Analysis of the Response Characteristics of the Tank Pressurization System and a Single Thruster." In Performance Analysis of a Liquid/Gel Rocket Engine During Operation. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-6485-3_3.

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AbstractBased on the mathematical models of the operation of the space propulsion system components established in Chap. 2 and the Modelica programs for the startup, steady-state and shutdown processes of the components, the thruster simulation system for each type of thrust can be conveniently assembled. By inputting known parameters of the thruster, such as the gas cylinder and pressure-reducing valve structural parameters, propellant density, pipeline diameter and length, and thrust chamber structural parameters, into the simulation system, the response of a single thruster can be analyzed
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Fiedler, Torben, Joachim Rösler, Martin Bäker, et al. "Mechanical Integrity of Thermal Barrier Coatings: Coating Development and Micromechanics." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_19.

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Abstract To protect the copper liners of liquid-fuel rocket combustion chambers, a thermal barrier coating can be applied. Previously, a new metallic coating system was developed, consisting of a NiCuCrAl bond-coat and a Rene 80 top-coat, applied with high velocity oxyfuel spray (HVOF). The coatings are tested in laser cycling experiments to develop a detailed failure model, and critical loads for coating failure were defined. In this work, a coating system is designed for a generic engine to demonstrate the benefits of TBCs in rocket engines, and the mechanical loads and possible coating fail
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Ignatidis, Panagiotis, Henrik von der Haar, Christoph Hennecke, and Friedrich Dinkelacker. "Impact of Mixing on the Signature of Combustor Defects." In Regeneration of Complex Capital Goods. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-51395-4_6.

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AbstractDefects in the combustion chamber can negatively influence the performance of an aircraft engine and increase component stress in the turbine. One aim of the Collaborative Research Center 871 is to provide early prediction about the condition of the engine by analysing the signature of the exhaust gas jet. This includes the usage of machine learning techniques and helps to optimise maintenance times and to reduce costs. This topic is linked to the question, how defects in the combustion chamber affect the flow field and how the defect signature is mixed out in the hot gas path. Example
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Konferenzberichte zum Thema "Combustion chambre"

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Mikhalchenko, Elena, Valeriy Nikitin, Veronika Tyurenkova, Fang Chen, and Yu Meng. "Simulation of a Detonation Combustion Chamber." In IAF Microgravity Sciences and Processes Symposium, Held at the 75th International Astronautical Congress (IAC 2024). International Astronautical Federation (IAF), 2024. https://doi.org/10.52202/078356-0025.

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Sakurai, Takashi, and Shunsuke Nakamura. "Performance and Operating Characteristics of Micro Gas Turbine Driven by Pulse, Pressure Gain Combustor." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15000.

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Abstract This paper presents the experimental results of a micro gas turbine driven by pulse, pressure gain combustor. The aim of this study is to demonstrate the improvement of the engine performance by applying the pressure gain combustion. The micro gas turbine is composed of a combustor having two combustion chambers and an automotive turbocharger which is used as a compressor and a turbine. The outlets of two combustion chambers are joined by a confluence part to connect with the turbine. By changing the combustion methods of each combustion chamber, the gas turbine was operated in three
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Tamaru, T., K. Shimodaira, Y. Kurosawa, and T. Kuyama. "Combustion Instability of a Gas Turbine Combustor up to 50-Atmosphere Condition." In ASME 1986 International Gas Turbine Conference and Exhibit. American Society of Mechanical Engineers, 1986. http://dx.doi.org/10.1115/86-gt-175.

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Combustion instabilities or blow-off phenomena at high pressure conditions were investigated on practical can-type combustion chambers. An air loading parameter, ma/VP2 at constant inlet temperature, was used to evaluate the allowable air flow rate in the combustion chamber. It was found that the pressure dependency of the parameter was not adequate for the high pressure conditions. It is revealed that the blow-off velocity in the flame holding region is related to the maximum laminar burning velocity corresponding to the pressure and temperature and that the velocity in the primary zone must
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Sakurai, Takashi, Takehiro Sekiguchi, and Sora Inoue. "Evaluation of Pressure Gain and Turbine Inlet Conditions in a Pulse Combustion Gas Turbine." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-83528.

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Abstract This study investigates the pressure gain and its improvement on the gas turbine performance. The combustor is comprised from two combustion chambers. One chamber A conducts pulse combustion and the other chamber B conducts continuous, constant-pressure combustion. The burned gases of each chamber are mixed and enter the turbine. The detail time variation of chamber pressure as well as turbine inlet and compressor outlet under the pulse combustion mode were experimentally investigated. The pulse combustion in the chamber A generated the pressure wave that propagated not only downstrea
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Aghakashi, V., M. H. Saidi, A. Ghafourian, and A. A. Mozafari. "Analysis of Temperature Distribution Over a Gas Turbine Shaft Exposed to a Swirl Combustor Flue." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22628.

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Gas turbine shaft is generally exposed to high temperature gases and may seriously be affected and overheated due to temperature fluctuations in the combustion chamber. Considering vortex flow in the combustion chamber, it may increase the heat release rate and combustion efficiency and also control location of energy release. However, this may result in excess temperature on the combustor equipments and gas turbine shaft. Vortex flow in the vortex engine which is created by the geometry of combustion chamber and conditions of flow field is a bidirectional swirl flow that maintains the chamber
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Liu, Zhigang, Xiaopo Wei, Yan Xiong, et al. "Effect of Head-End Fuel Staging on Combustion Characteristics in a Multi-Nozzle Array Combustor." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-127382.

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Abstract Due to the need for enhanced gas turbine efficiency, the outlet temperature of the combustion chamber is increasing. Micromixed combustion (MMC) technology has been widely adopted in gas turbine combustion chambers to achieve low NOx emissions. In order to improve the performance of load regulation and inhibit thermoacoustic oscillations, this study investigates the effect of head-end fuel staging on the combustion characteristics of a multi-nozzle array model combustor through numerical simulations and experiments. The results demonstrate that employing different nozzle spacings effe
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Tsuji, Yoshifumi, Bennett Sprague, David Walther, Albert Pisano, Carlos Fernandez-Pello, and Carlos Fernandez-Pello. "Effect of Chamber Width on Flame Characteristics in Small Combustion Chambers." In 43rd AIAA Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-943.

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Liu, Chengke, and G. A. Karim. "3D-CFD Simulation of Diesel and Dual Fuel Engine Combustion." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1621.

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A 3D-CFD model with a reduced detailed chemical kinetics of the combustion of diesel and methane fuels is developed while considering turbulence during combustion to simulate the mixture flow, formation and combustion processes within diesel and diesel/methane dual fuel engines having swirl chambers. The combustion characteristics of the pilot injection into a small pre-chamber are also investigated and compared with those within a swirl chamber. Modeling results were validated by a group of corresponding experimental data. The spatial and temporal distributions of the mixture temperature, pre
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Hessel, Randy P., Ettore Musu, Salvador M. Aceves, and Daniel L. Flowers. "A General Rezoning Technique for KIVA3V Internal Combustion Engines CFD Simulations." In ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/icef2010-35147.

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A computational mesh is required when performing CFD-combustion modeling of internal combustion engines. For combustion chambers with moving pistons and valves, like those in typical cars and trucks, the combustion chamber shape changes continually in response to piston and valve motion. The combustion chamber mesh must then also change at each time step to reflect that change in geometry. The method of changing the mesh from one computational time step to the next is called rezoning. This paper introduces a new method of mesh rezoning for the KIVA3V CFD-combustion program. The standard KIVA3V
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Jahangirian, S., M. Abarham, A. Ghafourian, and M. H. Saidi. "Effect of Vortex Flow on Heat Transfer to Combustion Chamber Wall." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59550.

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A new experimental facility was designed, fabricated and tested to model and study the effect of bidirectional swirl flow on the rate of heat transfer to combustion chamber walls in many applications. Heat transfer to combustion chamber walls is an unwanted phenomenon. Reduction of this heat transfer can result in time and cost saving methods in design and fabrication of combustion chambers. The experimental study was performed by using propane and air with oxygen as fuel and oxidizer respectively. The location of injection ports and geometry of combustion chamber are flexible and could be var
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Berichte der Organisationen zum Thema "Combustion chambre"

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Vieira, Greg, and Daniel Olsen. PR179-23204-R01 Design and Testing of a Multi-Nozzle PCC on a GMV4 LB NG Engine. Pipeline Research Council International, Inc. (PRCI), 2025. https://doi.org/10.55274/r0000114.

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Methane slip from large-bore, two-stroke, natural gas engines contribute significantly to green-house gas emissions. Optimizing the design and functionality of pre-combustion chambers is one potential solution to reducing these emissions. The objective of the study was to optimize a pre-combustion chamber to improve combustion efficiency and reduce methane emissions from a Cooper Bessemer GMV-4TF. Computational fluid dynamic simulations were used to investigate the effects of varying pre-combustion chamber design parameters, including nozzle angle, flow area, and volume. The most effective des
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Beurlot, Kyle, and Timothy Jacobs. PR457-242002-R01 Hydrogen and Natural Gas Mixtures in 2 Stroke Engines for Methane Reductions. Pipeline Research Council International, Inc. (PRCI), 2025. https://doi.org/10.55274/r0000108.

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Large-bore natural gas two-stroke engines with lean-burn technology have been integral to the North American pipeline network for many years and will remain crucial for future gas transportation. As research focuses on achieving lower lean ignition limits, pre-combustion chambers have gained attention as a promising method to enhance combustion stability and engine reliability. However, retrofitting existing platforms with pre-combustion chambers may not always be financially viable, which calls for further exploration of alternative technologies that could reduce methane emissions from two-st
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Beurlot, Kyle, Greg Vieira, Taylor Ritchie, Jacob Nowlin, Daniel Olsen, and Timothy Jacobs. PR457-21204-R01 Evaluation of New Ignition Concepts on Large Bore NG Engines for Methane Emissions. Pipeline Research Council International, Inc. (PRCI), 2023. https://doi.org/10.55274/r0012251.

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Pre-combustion chambers are frequently used in large-bore natural gas engines to improve ignition repeatability and combustion quality while simultaneously enabling substantial engine emission reductions. Specifically, prechambers reduce the carbon footprint of natural gas pipeline engines, and by extension, reduce greenhouse gas emissions from pipeline compressor stations. A study to provide an initial screening of a number of new ignition techniques in a Cooper-Bessemer GMV two-stroke lean burn natural gas engine was conducted using Converge CFD software in order to guide original equipment
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Beurlot, Kyle, Mark Patterson, and Timothy Jacobs. PR-457-22210-R01 Effects of Inlet Port Geometry on MCC Mixing Sensitivity Study. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000061.

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Lean burning large bore natural gas two-stroke engines have remained critical components of the North American natural gas pipeline ecosystem for decades and will continue to persist as vital means of natural gas transportation well into the coming years. As increasing lean ignition limits are explored, Pre-Combustion Chambers (PCCs) serve as pathway to increased stability and repeatability of combustion as well as substantial engine emissions reduction. This study aims to further research the interaction between PCCs and the main combustion chamber (MCC) by investigating the sensitivity of in
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Beshouri and Huschenbett. PR-309-06201-R01 Pre-Production and Production Ion Sense Hardware and Cylinder Level Sensing. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010544.

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In 2001, the Compressor and Pump Station Technical Committee (CAPSTC) recognized the importance of cylinder level sensing and control to minimize NOx emissions while maintaining optimum engine performance, therefore, a CAPSTC member brought the concept of ion sense to the committee as an alternative to fiber optic pressure sensors for continuous combustion performance monitoring. Derived from automotive technology, ion sense utilizes post ignition ionization measurements from a standard spark plug to monitor the combustions process. Based on successful feasibility tests at Colorado State Unive
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Bothwell, Susan, John Millott, and Jeff Chini. PR-309-14209-R01 Field Demo of Integrated Expert Level Continuous Performance Monitoring. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011513.

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Prior PRCI funded projects identified the ability of a continuous engine performance monitor (CEPM) to fulfill the likelihood of industry acceptance as a Performance Monitoring alternative to a Continuous Emission Monitoring System CEMS in future monitoring requirements for typical pipeline engines. This current project investigated an integrated and expert level monitoring system on a pipeline engine equipped with a CEPM system and assessed the ability of this expert system to detect ignition and combustion related problems. The system demonstrated the ability to detect combustion faults down
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Beshouri, Huschenbett, and Bothwell. PR-360-08207-R01 Cylinder Level Sensing and Control on Typical Pipeline Engines. Pipeline Research Council International, Inc. (PRCI), 2016. http://dx.doi.org/10.55274/r0010693.

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Further reductions in NOx emissions while maintaining optimum engine performance can only be obtained by improving engine combustion control at the cylinder level. This requires cylinder level sensors capable of continuously monitoring combustion performance in both the main combustion chamber (MCC) and the pre-combustion chamber (PCC) and electronically actuated valves that can respond to those measurements. Until recently, in-PCC combustion measurements on spark ignited engines were only possible in the laboratory using very expensive pressure sensors with extremely short lives. Ion Sense of
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Simpson and Olsen. L52358 Experimental Evaluation of a New Prechamber Design on the GMV-4TF Natural Gas Engine. Pipeline Research Council International, Inc. (PRCI), 2012. http://dx.doi.org/10.55274/r0010255.

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Banji, Titilope, and Daniel Olsen. PR-179-22207-R01 Improved In-Cylinder Mixing Injection Pressure Sensitivity. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000063.

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Large-bore, natural gas-fueled engines are used for gas compression at over 1700 compression stations across the US, and methane emissions have presented a challenge to their optimization over the years. A significant root of this problem has been linked to the level of air-fuel mixing in the main combustion chamber of these engines as poor mixing results in low combustion efficiency. High-pressure fuel injection is believed to be a significant way to improve air-fuel mixing in natural gas engine combustion chambers. The purpose of this present study is to determine the sensitivity of in-cylin
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Jacobs, Timothy, and Jacob Hedrick. PR-457-14201-R03 Variable NG Composition Effects in LB 2S Compressor Engines - Prediction Enhancement. Pipeline Research Council International, Inc. (PRCI), 2017. http://dx.doi.org/10.55274/r0011406.

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Phase II of the project has focused on improving the initial analysis performed in the first phase by enhancing the various aspects of predictive combustion for lean burn spark ignition natural gas engines under variable composition fueling. These enhancements have incorporated validation data from a Cooper-Bessemer GMVH-10C3 engine located in New Jersey, which improves upon the lack of field data to bound the scope of composition variation. In simulation related endeavors, effort was made to improve the fundamental combustion physics related parameters, namely laminar flame speed, by developi
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