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Combustion Chamber Deposit Flaking
SAE Technical Paper Series, 2000<div class="htmlview paragraph">There is increasing concern that small flakes of combustion chamber deposits (CCD) can break lose and get trapped between the exhaust valve and the seat resulting in difficulties in starting, rough running and increase in hydrocarbon emissions. In this paper we describe experimental observations which might explain
G. T. Kalghatgi, R. J. Price
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Journal of Fluids Engineering, 1946
Abstract A description is given of the “elbow” combustion chamber, developed for use in the gas-turbine power plant designed and built for the United States Navy by the Elliott Company. This type provides extremely high heat-release rates which is an essential characteristic for gas-turbine applications. The fuel-oil-burning system which
M. A. Mayers, W. W. Carter
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Abstract A description is given of the “elbow” combustion chamber, developed for use in the gas-turbine power plant designed and built for the United States Navy by the Elliott Company. This type provides extremely high heat-release rates which is an essential characteristic for gas-turbine applications. The fuel-oil-burning system which
M. A. Mayers, W. W. Carter
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Gasoline Engine Combustion — The Nebula Combustion Chamber
SAE Technical Paper Series, 1988<div class="htmlview paragraph">In view of the impending exhaust emission and fuel quality legislation in Europe, the motor industry is faced with developing engines giving low levels of HC and NO<sub>x</sub> emissions while operating on unleaded gasoline and retaining good fuel economy.</div> <div class="htmlview paragraph ...
C. D. de Boer, D. W. Grigg
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SAE Technical Paper Series, 1993
<div class="htmlview paragraph">This study investigated the relationship between the average molecular structures of combustion chamber deposits (CCD), the quantity of deposit formed and the aromatic content of the fuel. Solid-state <sup>13</sup>C nuclear magnetic resonance (NMR) techniques developed for the study of coal were applied
Peter J. Choate, John C. Edwards
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<div class="htmlview paragraph">This study investigated the relationship between the average molecular structures of combustion chamber deposits (CCD), the quantity of deposit formed and the aromatic content of the fuel. Solid-state <sup>13</sup>C nuclear magnetic resonance (NMR) techniques developed for the study of coal were applied
Peter J. Choate, John C. Edwards
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Feedback control of combustion oscillations in combustion chambers
Communications in Nonlinear Science and Numerical Simulation, 2010Abstract Model-based algorithms are generally employed in active control of combustion oscillations. Since practical combustion processes consist of complex thermal and acoustic couplings, their accurate models and parameters may not be obtained in advance economically, a model free controller is necessary for the control of thermoacoustic ...
Wei Wei +4 more
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Bipropellant combustion in a liquid rocket combustion chamber
Journal of Propulsion and Power, 1992A comprehensive computer simulation code is developed for the combustion-flow analysis of a bipropellant liquid rocket engine combustor. A bipropellant group combustion model is built in the computer code to facilitate the determination of various combustion modes, including the combustion of oxidizer droplets, fuel droplets and gas mixture.
Tsung Leo Jiang, Huei-Huang Chiu
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Combustion oscillations in industrial combustion chambers
Symposium (International) on Combustion, 1969Combustion roar is a “white” noise radiated from small regions in the flame which suddenly burn. Single frequency oscillations of the simple acoustic type in the combustion chamber (“screaming”) have a frequency 500 cps upwards; Helmholtz resonator oscillations have a frequency of the order of 10 times lower and occur fairly frequently in oil- and gas ...
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Gasoline Engine Combustion—Turbulence and the Combustion Chamber
SAE Technical Paper Series, 1981<div class="htmlview paragraph">A research programme has been carried out to investigate the effects of operating gasoline engines with different combustion systems. The results showed that at high compression ratios (13:1) compact combustion chambers allowed an increase in compression ratio of between 1 and 2½ numbers for a given fuel quality ...
M. T. Overington, R. H. Thring
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Effects of Combustion Chamber Geometry on Diesel Combustion
SAE Technical Paper Series, 1986<div class="htmlview paragraph">A study has been made of an automotive direct-injection diesel engine in order to identify the effects of the combustion chamber geometry on combustion, with special emphasis focused on a re-entrant combustion chamber.</div> <div class="htmlview paragraph">Conventional combustion chambers and a re ...
Takeshi Saito +3 more
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Combustion-Chamber Progress Correlated
SAE Technical Paper Series, 1930<div class="htmlview paragraph"><b>P</b>REVIOUS papers on Combustion-Chamber Design by three leading authorities on the subject showed enough points of real or apparent disagreement to leave the designing engineer in doubt on many of the details of design which they discussed.
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