Results 131 to 140 of about 4,026,469 (178)
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1981
Formation of soot can take place in all kinds of practical combustion systems, especially in systems which operate on a diffusion flame concept. The influence of macroscopic system parameters on the amount of soot formed is rather well investigated for different systems.
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Formation of soot can take place in all kinds of practical combustion systems, especially in systems which operate on a diffusion flame concept. The influence of macroscopic system parameters on the amount of soot formed is rather well investigated for different systems.
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2000
Under ideal conditions the combustion of hydrocarbons leads to mainly carbon dioxide and water. Ideal conditions may be specified by stoichiometric composition of the combustible mixture, i.e. the oxygen content of the mixture everywhere is sufficient to convert the fuel completely according to the formal chemical equation $$ C_m H_n + \left( {m + \
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Under ideal conditions the combustion of hydrocarbons leads to mainly carbon dioxide and water. Ideal conditions may be specified by stoichiometric composition of the combustible mixture, i.e. the oxygen content of the mixture everywhere is sufficient to convert the fuel completely according to the formal chemical equation $$ C_m H_n + \left( {m + \
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Combustion Science and Technology, 1972
Abstract In most of the studies and theories about soot formation, the starting point of the discussion is the acetylene, disregarding the previous phase which covers the decomposition of the higher hydrocarbons to acetylene In our opinion the primary reaction step of soot formation in diffusion flames is this decomposition by a thermal cracking ...
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Abstract In most of the studies and theories about soot formation, the starting point of the discussion is the acetylene, disregarding the previous phase which covers the decomposition of the higher hydrocarbons to acetylene In our opinion the primary reaction step of soot formation in diffusion flames is this decomposition by a thermal cracking ...
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1993
In this chapter topics relevant to soot formation during combustion are given, as well as the results of recent research centered around these. Sooting in flames has long been studied not only from scientific viewpoint but also for practical purposes, such as promotion of radiative heat transfer in boilers and furnaces and reduction of soot emitted as ...
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In this chapter topics relevant to soot formation during combustion are given, as well as the results of recent research centered around these. Sooting in flames has long been studied not only from scientific viewpoint but also for practical purposes, such as promotion of radiative heat transfer in boilers and furnaces and reduction of soot emitted as ...
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The role of ions in soot formation
Pure and Applied Chemistry, 1990Abstract
H. F. Calcote, D. G. Keil
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On the mechanism of soot particle formation
Kinetics and Catalysis, 2000The results of experiments on the isothermic pyrolysis of acetylene, benzene, and diacetylene in a flow reactor near a low-temperature threshold of soot formation are presented. Diacetylene showed a much higher ability to form soot, coke, and tar than the other hydrocarbons. The threshold temperature of soot formation from diacetylene (800 K) was found
A. V. Krestinin +4 more
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Models of soot formation and oxidation
Progress in Energy and Combustion Science, 1997Advances in modeling soot formation and burnout in combustion systems are surveyed. The types of models are divided up into three classes: empirical, semi-empirical and detailed. Empirical models use correlations of experimental data to predict trends in soot loadings.
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Critical Temperatures of Soot Formation
1994A review of critical temperatures for soot formation considering new experimental results from Princeton University and other sources is given. From this the conclusion is drawn that incipient particle formation controls the total mass of soot formed in any process.
Irvin Glassman +2 more
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Soot formation in combustion processes
Symposium (International) on Combustion, 1989Sooting tendencies of fuels are analyzed with respect to the type of experimental configuration used—per-mixed flames, normal and inverse co-annular, Wolfhard-Parker and counter-flowing diffusion flames, or shock tubes. The important effect of temperature in each type of experiment is examined.
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Ionic Mechanisms of Soot Formation
1983In a recent review1 of soot nucleation mechanisms it was demonstrated that mechanisms based upon neutral free radical species are inadequate to explain soot formation in flames. Either rates are too slow to account for the rapid rate of soot formation or there are difficulties in accounting for the large numbers of polycyclic rings observed in soot ...
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