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Journal articles on the topic 'Theory of Combustion'

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Published: 4 June 2021
Last updated: 29 January 2023

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1

Brzustowski, T. A. "Combustion theory." Combustion and Flame 67, no. 3 (March 1987): 273–75. http://dx.doi.org/10.1016/0010-2180(87)90105-2.

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2

Morgans, Aimee S., and Ignacio Duran. "Entropy noise: A review of theory, progress and challenges." International Journal of Spray and Combustion Dynamics 8, no. 4 (September 18, 2016): 285–98. http://dx.doi.org/10.1177/1756827716651791.

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Combustion noise comprises two components: direct combustion noise and indirect combustion noise. The latter is the lesser studied, with entropy noise believed to be its main component. Entropy noise is generated via a sequence involving diverse flow physics. It has enjoyed a resurgence of interest over recent years, because of its increasing importance to aero-engine exhaust noise and a recognition that it can affect gas turbine combustion instabilities. Entropy noise occurs when unsteady heat release rate generates temperature fluctuations (entropy waves), and these subsequently undergo acceleration. Five stages of flow physics have been identified as being important, these being (a) generation of entropy waves by unsteady heat release rate; (b) advection of entropy waves through the combustor; (c) acceleration of entropy waves through either a nozzle or blade row, to generate entropy noise; (d) passage of entropy noise through a succession of turbine blade rows to appear at the turbine exit; and (e) reflection of entropy noise back into the combustor, where it may further perturb the flame, influencing the combustor thermoacoustics. This article reviews the underlying theory, recent progress and outstanding challenges pertaining to each of these stages.
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3

Buckmaster, J., P. Clavin, A. Liñán, M. Matalon, N. Peters, G. Sivashinsky, and F. A. Williams. "Combustion theory and modeling." Proceedings of the Combustion Institute 30, no. 1 (January 2005): 1–19. http://dx.doi.org/10.1016/j.proci.2004.08.280.

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4

Williams, A. "Combustion Theory, SEcond Edition." Chemical Engineering Science 42, no. 9 (1987): 2223. http://dx.doi.org/10.1016/0009-2509(87)85045-5.

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5

Chiu, Huei-Huang, C. L. Lin, and T. S. Li. "ANOMALOUS GROUP COMBUSTION THEORY: TRANSIENT DUALITY IN GROUP COMBUSTION." International Journal of Energetic Materials and Chemical Propulsion 4, no. 1-6 (1997): 1026–34. http://dx.doi.org/10.1615/intjenergeticmaterialschemprop..v4.i1-6.950.

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6

Shkadinskii, K. G. "Quasiisobaric approximation in combustion theory." Russian Journal of Physical Chemistry B 8, no. 3 (May 2014): 356–60. http://dx.doi.org/10.1134/s1990793114030257.

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7

Yarin, L. P., and G. S. Sukhov. "On Filtration Combustion Reactor Theory." Combustion Science and Technology 84, no. 1 (July 1, 1992): 15–32. http://dx.doi.org/10.1080/00102209208951842.

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8

BLINDERMAN, M., and A. KLIMENKO. "Theory of reverse combustion linking." Combustion and Flame 150, no. 3 (August 2007): 232–45. http://dx.doi.org/10.1016/j.combustflame.2006.12.021.

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9

Ellzey, Janet L., Preston S. Wilson, and Thomas G. Muir. "The combustive sound source: Combustion and bubble dynamics theory and experiment." Journal of the Acoustical Society of America 96, no. 5 (November 1994): 3333. http://dx.doi.org/10.1121/1.410682.

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10

Ruiz, Francisco. "Regenerative internal combustion engine. I - Theory." Journal of Propulsion and Power 6, no. 2 (March 1990): 203–8. http://dx.doi.org/10.2514/3.23245.

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11

Miller, James A. "Theory and modeling in combustion chemistry." Symposium (International) on Combustion 26, no. 1 (January 1996): 461–80. http://dx.doi.org/10.1016/s0082-0784(96)80249-9.

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12

Novozhilov, B. V. "The theory of surface spin combustion." Pure and Applied Chemistry 65, no. 2 (January 1, 1993): 309–16. http://dx.doi.org/10.1351/pac199365020309.

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13

Likhachev, V. N., G. S. Sukhov, and L. P. Yarin. "The theory of bubble combustion reactors." Combustion, Explosion, and Shock Waves 27, no. 2 (1991): 191–99. http://dx.doi.org/10.1007/bf00789399.

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14

Krishnan, Abin, R. I. Sujith, Norbert Marwan, and Jürgen Kurths. "On the emergence of large clusters of acoustic power sources at the onset of thermoacoustic instability in a turbulent combustor." Journal of Fluid Mechanics 874 (July 9, 2019): 455–82. http://dx.doi.org/10.1017/jfm.2019.429.

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In turbulent combustors, the transition from stable combustion (i.e. combustion noise) to thermoacoustic instability occurs via intermittency. During stable combustion, the acoustic power production happens in a spatially incoherent manner. In contrast, during thermoacoustic instability, the acoustic power production happens in a spatially coherent manner. In the present study, we investigate the spatiotemporal dynamics of acoustic power sources during the intermittency route to thermoacoustic instability using complex network theory. To that end, we perform simultaneous acoustic pressure measurement, high-speed chemiluminescence imaging and particle image velocimetry in a backward-facing step combustor with a bluff body stabilized flame at different equivalence ratios. We examine the spatiotemporal dynamics of acoustic power sources by constructing time-varying spatial networks during the different dynamical states of combustor operation. We show that as the turbulent combustor transits from combustion noise to thermoacoustic instability via intermittency, small fragments of acoustic power sources, observed during combustion noise, nucleate, coalesce and grow in size to form large clusters at the onset of thermoacoustic instability. This nucleation, coalescence and growth of small clusters of acoustic power sources occurs during the growth of pressure oscillations during intermittency. In contrast, during the decay of pressure oscillations during intermittency, these large clusters of acoustic power sources disintegrate into small ones. We use network measures such as the link density, the number of components and the size of the largest component to quantify the spatiotemporal dynamics of acoustic power sources as the turbulent combustor transits from combustion noise to thermoacoustic instability via intermittency.
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15

Kapila, A. K. "Book Review: Mathematical problems from combustion theory." Bulletin of the American Mathematical Society 23, no. 2 (October 1, 1990): 559–63. http://dx.doi.org/10.1090/s0273-0979-1990-15981-6.

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16

Lapshin, O. V., and V. K. Smolyakov. "Theory of combustion of thin film structures." Combustion, Explosion, and Shock Waves 49, no. 6 (November 2013): 662–67. http://dx.doi.org/10.1134/s001050821306004x.

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17

Margolis, Stephen B. "An Asymptotic Theory of Heterogeneous Condensed Combustion." Combustion Science and Technology 43, no. 3-4 (July 1985): 197–215. http://dx.doi.org/10.1080/00102208508947004.

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18

WILLIAMS, F. A. "The Next 25 Years of Combustion Theory." Combustion Science and Technology 98, no. 4-6 (July 1994): 361–66. http://dx.doi.org/10.1080/00102209408935421.

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19

Clarke, J. F., and N. Riley. "Combustion theory: a report on Euromech 203." Journal of Fluid Mechanics 167, no. -1 (June 1986): 409. http://dx.doi.org/10.1017/s0022112086002872.

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20

Williams, F. A. "The role of theory in combustion science." Symposium (International) on Combustion 24, no. 1 (January 1992): 1–17. http://dx.doi.org/10.1016/s0082-0784(06)80006-8.

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21

Novozhilov, Boris V. "Theory of spin and spiral gasless combustion." Symposium (International) on Combustion 25, no. 1 (January 1994): 1677–83. http://dx.doi.org/10.1016/s0082-0784(06)80815-5.

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22

Wang, Ji-ren, Yan-qiu Sun, Qing-fu Zhao, Cun-bao Deng, and Han-zhong Deng. "Basic theory research of coal spontaneous combustion." Journal of Coal Science and Engineering (China) 14, no. 2 (June 2008): 239–43. http://dx.doi.org/10.1007/s12404-008-0050-0.

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23

Merzhanov, A. G., and B. I. Khaikin. "Theory of combustion waves in homogeneous media." Progress in Energy and Combustion Science 14, no. 1 (January 1988): 1–98. http://dx.doi.org/10.1016/0360-1285(88)90006-8.

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24

Sukhov, G. S., and L. P. Yarin. "Combustion-reactor theory: The dynamic-balance method." Combustion, Explosion, and Shock Waves 24, no. 1 (1988): 1–6. http://dx.doi.org/10.1007/bf00749061.

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25

Deutschmann, Olaf. "Turbulence and chaotic dynamics in combustion theory." Acta Astronautica 28 (August 1992): 419–24. http://dx.doi.org/10.1016/0094-5765(92)90046-l.

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26

Hastings, S. P., and A. B. Poore. "Liñán’s Problem from Combustion Theory, Part II." SIAM Journal on Mathematical Analysis 16, no. 2 (March 1985): 331–40. http://dx.doi.org/10.1137/0516024.

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27

Buckmaster, J. "The Mathematical Theory of Combustion and Explosions." Combustion and Flame 67, no. 2 (February 1987): 185. http://dx.doi.org/10.1016/0010-2180(87)90152-0.

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28

Wagner, Albert F. "The challenges of combustion for chemical theory." Proceedings of the Combustion Institute 29, no. 1 (January 2002): 1173–200. http://dx.doi.org/10.1016/s1540-7489(02)80148-1.

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29

Nekrasov, E. A., A. M. Timokhin, and A. T. Pak. "Theory of gasless combustion with phase transformations." Combustion, Explosion, and Shock Waves 26, no. 5 (1991): 568–73. http://dx.doi.org/10.1007/bf00843131.

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30

Margolis, Stephen B. "The asymptotic theory of gasless combustion synthesis." Metallurgical Transactions A 23, no. 1 (January 1992): 15–22. http://dx.doi.org/10.1007/bf02660846.

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31

Gladkov, S. O. "Microscopic theory of combustion of solid fuel." Physics Letters A 148, no. 5 (August 1990): 253–57. http://dx.doi.org/10.1016/0375-9601(90)90985-w.

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32

Mingazov, B. G. "Simulation of processes in combustion chambers based on the theory of turbulent combustion." Russian Aeronautics (Iz VUZ) 58, no. 3 (July 2015): 299–303. http://dx.doi.org/10.3103/s1068799815030083.

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33

Zelina, J., and D. R. Ballal. "Combustor Stability and Emissions Research Using a Well-Stirred Reactor." Journal of Engineering for Gas Turbines and Power 119, no. 1 (January 1, 1997): 70–75. http://dx.doi.org/10.1115/1.2815564.

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The design and development of low-emissions, lean premixed aero or industrial gas turbine combustors is very challenging because it entails many compromises. To satisfy the projected CO and NOx emissions regulations without relaxing the conflicting requirements of combustion stability, efficiency, pattern factor, relight (for aero combustor), or off-peak loading (for industrial combustor) capability demands great design ingenuity. The well-stirred reactor (WSR) provides a laboratory idealization of an efficient and highly compact advanced combustion system of the future that is capable of yielding global kinetics of value to the combustor designers. In this paper, we have studied the combustion performance and emissions using a toroidal WSR. It was found that the toroidal WSR was capable of peak loading almost twice as high as that for a spherical WSR and also yielded a better fuel-lean performance. A simple analysis based upon WSR theory provided good predictions of the WSR lean blowout limits. The WSR combustion efficiency was 99 percent over a wide range of mixture ratios and reactor loading. CO emissions reached a minimum at a flame temperature of 1600 K and NOx increased rapidly with an increase in flame temperature, moderately with increasing residence time, and peaked at or slightly on the fuel-lean side of the stoichiometric equivalence ratio. Finally, emissions maps of different combustors were plotted and showed that the WSR has the characteristics of an idealized high-efficiency, low-emissions combustor of the future.
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34

Grigoriev, A. V., A. A. Kosmatov, О. A. Rudakov, and A. V. Solovieva. "Theory of gas turbine engine optimal gas generator." VESTNIK of Samara University. Aerospace and Mechanical Engineering 18, no. 2 (July 2, 2019): 52–61. http://dx.doi.org/10.18287/2541-7533-2019-18-2-52-61.

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The article substantiates the necessity of designing an optimal gas generator of a gas turbine engine. The generator is to provide coordinated joint operation of its units: compressor, combustion chamber and compressor turbine with the purpose of reducing the period of development of new products, improving their fuel efficiency, providing operability of the blades of a high-temperature cooled compressor turbine and meeting all operational requirements related to the operation of the optimal combustion chamber including a wide range of stable combustion modes, high-altitude start at subzero air and fuel temperature conditions and prevention of the atmosphere pollution by toxic emissions. Methods of optimizing the parameters of coordinated joint operation of gas generator units are developed. These parameters include superficial flow velocities in the boundary interface cross sections between the compressor and the combustion chamber, as well as between the combustion chamber and the compressor turbine. The effective efficiency of the engine thermodynamic cycle is the optimization target function. The required depth of the turbine blades cooling is a functional constraint evaluated with account for calculations of irregularity and instability of the gas temperature field and the actual flow turbulence intensity at the blades’ inlet. We carried out theoretical analysis of the influence of various factors on the gas flow that causes changes in the flow total pressure in the channels of the gas generator gas dynamic model, i.e. changes in the efficiencies of its units. It is shown that the long period (about five years) of the engine final development time, is due to the necessity to perform expensive full-scale tests of prototypes, in particular, it is connected with an incoordinate assignment in designing the values of the flow superficial velocities in the boundary sections between the gas generator units. Designing of an optimal gas generator is only possible on the basis of an integral mathematical model of an optimal combustion chamber.
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35

Nemoda, Stevan, Milica Mladenovic, Milijana Paprika, Aleksandar Eric, and Borislav Grubor. "Three phase Eulerian-granular model applied on numerical simulation of non-conventional liquid fuels combustion in a bubbling fluidized bed." Thermal Science 20, suppl. 1 (2016): 133–49. http://dx.doi.org/10.2298/tsci151025196n.

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The paper presents a two-dimensional CFD model of liquid fuel combustion in bubbling fluidized bed. The numerical procedure is based on the two-fluid Euler-Euler approach, where the velocity field of the gas and particles are modeled in analogy to the kinetic gas theory. The model is taking into account also the third - liquid phase, as well as its interaction with the solid and gas phase. The proposed numerical model comprise energy equations for all three phases, as well as the transport equations of chemical components with source terms originated from the component conversion. In the frame of the proposed model, user sub-models were developed for heterogenic fluidized bed combustion of liquid fuels, with or without water. The results of the calculation were compared with experiments on a pilot-facility (power up to 100 kW), combusting, among other fuels, oil. The temperature profiles along the combustion chamber were compared for the two basic cases: combustion with or without water. On the basis of numerical experiments, influence of the fluid-dynamic characteristics of the fluidized bed on the combustion efficiency was analyzed, as well as the influence of the fuel characteristics (reactivity, water content) on the intensive combustion zone.
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36

Taira, Kazuaki. "Semilinear elliptic boundary-value problems in combustion theory." Proceedings of the Royal Society of Edinburgh: Section A Mathematics 132, no. 6 (December 2002): 1453–76. http://dx.doi.org/10.1017/s0308210500002201.

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This paper is devoted to the study of semilinear degenerate elliptic boundary-value problems arising in combustion theory that obey a general Arrhenius equation and a general Newton law of heat exchange. We prove that ignition and extinction phenomena occur in the stable steady temperature profile at some critical values of a dimensionless rate of heat production.
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37

Bacaër, Nicolas. "Minplus Spectral Theory and Travelling Fronts in Combustion." IFAC Proceedings Volumes 34, no. 13 (August 2001): 731–35. http://dx.doi.org/10.1016/s1474-6670(17)39080-8.

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38

Sohrab, S. H., Z. Y. Ye, and C. K. Law. "Theory of Interactive Combustion of Counterflow Premixed Flames." Combustion Science and Technology 45, no. 1-2 (February 1986): 27–45. http://dx.doi.org/10.1080/00102208608923840.

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39

Simon, Herbert A. "ECHO and STAHL: On the theory of combustion." Behavioral and Brain Sciences 12, no. 3 (September 1989): 487. http://dx.doi.org/10.1017/s0140525x00057277.

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40

Sirignano, William A. "Advances in droplet array combustion theory and modeling." Progress in Energy and Combustion Science 42 (June 2014): 54–86. http://dx.doi.org/10.1016/j.pecs.2014.01.002.

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41

Holt, J. B., and Z. A. Munir. "Combustion synthesis of titanium carbide: Theory and experiment." Journal of Materials Science 21, no. 1 (January 1986): 251–59. http://dx.doi.org/10.1007/bf01144729.

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42

Aslanov, S. K. "Integral formulation of the theory of vibratory combustion." Combustion, Explosion, and Shock Waves 28, no. 1 (1992): 34–40. http://dx.doi.org/10.1007/bf00754964.

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43

Pokhozhaev, S. I. "Concerning an equation in the theory of combustion." Mathematical Notes 88, no. 1-2 (August 2010): 48–56. http://dx.doi.org/10.1134/s0001434610070059.

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44

Makhviladze, G. M. "The role of combustion theory in loss prevention." Journal of Loss Prevention in the Process Industries 2, no. 1 (January 1989): 2. http://dx.doi.org/10.1016/0950-4230(89)87001-9.

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45

ALDUSHIN, A. "New results in the theory of filtration combustion." Combustion and Flame 94, no. 3 (August 1993): 308–20. http://dx.doi.org/10.1016/0010-2180(93)90076-f.

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46

Miller, S. A. E. "Analytical Equations for Thermoacoustic Instability Sources and Acoustic Radiation from Reacting Turbulence." International Journal of Aerospace Engineering 2020 (October 8, 2020): 1–12. http://dx.doi.org/10.1155/2020/8890360.

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We seek to ascertain and understand source terms that drive thermoacoustic instability and acoustic radiation. We present a new theory based on the decomposition of the Navier-Stokes equations coupled with the mass fraction equations. A series of solutions are presented via the method of the vector Green’s function. We identify both combustion-combustion and combustion-aerodynamic interaction source terms. Both classical combustion noise theory and classical Rayleigh criterion are recovered from the presently developed more general theory. An analytical spectral prediction method is presented, and the two-point source terms are consistent with Lord Rayleigh’s instability model. Particular correlations correspond to the source terms of Lighthill, which represent the noise from turbulence and additional terms for the noise from reacting flow.
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47

Yi, Xiao Bing. "The Research on the Ignition System of Engine Combustion Bomb." Advanced Materials Research 712-715 (June 2013): 2139–42. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.2139.

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Combustion bomb of constant volume is an important experimental tool and platform for basic research of engine combustion theory. With the engine combustion status, this paper design ignition and timing control systems for constant volume combustion bomb to provide accurate ignition parameters. And test test showed that the ignition system is feasible to meet the constant volume combustion bomb ignition and timing control requirements.
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48

Tan, Bo, Yuan Gang Jiang, Chao Nan He, Jing Chang, and Ya Qi Luo. "Numerical Simulation and Backfilling Materials Research on Coal Spontaneous Combustion of Thick Seam Large-Scale Top-Caving Region in Resources Conformity Coal Mine." Advanced Materials Research 524-527 (May 2012): 317–20. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.317.

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This paper aimed at fire control in thick seam large-scale top-carving region. On the basis of coal and oxygen compounding theory, theoretical analysis, numerical simulation and experiment are combined, and a coal spontaneous combustion process model is built according to fluid mechanics and control theory. By studying and testing on top-carving coal spontaneous combustion process, conclusion is drawn that spontaneous combustion area is the largest in partly-closed region, followed by unclosed region. A totally closed baffle leads to the smallest spontaneous combustion area and the smallest possibility of fire. With local materials in a certain condition, new, cheap backfilling materials are developed. Thus provide theoretical basis for study on the forecasting and prevention of thick seam large-scale top-carving coal spontaneous combustion.
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49

Rybakov, D., and Kh Lamazhapov. "Percolation model of combustion." MATEC Web of Conferences 209 (2018): 00024. http://dx.doi.org/10.1051/matecconf/201820900024.

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Strong dependencies in equations cause dramatic boost of reaction rates in some rare but meaningful areas of a combustion gap. That leads to intermittent behavior of some values and for these reasons averaging approaches in calculations are not relevant. We use percolation theory instead in order to explain ignition delay and completeness of combustion.
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50

Rahman, Mustafa Mutiur, Ahmed Saieed, Muhammad Fasahat Khan, and Jean-Pierre Hickey. "Group Combustion of Dispersed Spherical Core–Shell Nanothermite Particles." Thermo 2, no. 3 (August 8, 2022): 209–31. http://dx.doi.org/10.3390/thermo2030016.

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The group combustion characteristics of core–shell nanothermite particles differ from other dispersed solid or liquid fuels. In a core–shell structure, each discrete nanothermite particle can undergo an exothermic reaction as the oxygen atoms in the metal oxide shell undergo a solid state diffusion to oxidize the metal core. This feature allows the spherical core–shell nanothermites to react in the absence of gaseous oxygen, thus modifying their group combustion characteristics compared to char or liquid fuels. Using a number of simplifying assumptions, a theoretical framework was established—based on existing group combustion theory—to examine the characteristics of mass and heat diffusion in nanothermite combustion. First, a model for the quasi-steady state single-particle combustion, in quiescent air, was established. The isolated particle combustion theory serves as the basis for the combustion interaction and mass transfer in a spherical cloud of dispersed nanothermite particles. The type of group combustion is strongly dependent on the diffusion of vapour products, i.e., the interaction is more pronounced when the diffusion of vapour products is higher. The group combustion regimes in dispersed nanothermites were identified and delineated.
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