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Relevant bibliographies by topics / Kinetic of combustion

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Journal articles

Academic literature on the topic 'Kinetic of combustion'

Author: Grafiati

Published: 16 May 2023

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Journal articles on the topic "Kinetic of combustion"

1

Qin, Yuelin, Qingfeng Ling, Wenchao He, Jinglan Hu, and Xin Li. "Metallurgical Coke Combustion with Different Reactivity under Nonisothermal Conditions: A Kinetic Study." Materials 15, no. 3 (2022): 987. http://dx.doi.org/10.3390/ma15030987.

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The combustion characteristics and kinetics of high- and low-reactivity metallurgical cokes in an air atmosphere were studied by thermogravimetric instrument. The Coats–Redfern, FWO, and Vyazovkin integral methods were used to analyze the kinetics of the cokes, and the kinetic parameters of high- and low-reactivity metallurgical cokes were compared. The results show that the heating rate affected the comprehensive combustion index and combustion reaction temperature range of the cokes. The ignition temperature, burnout temperature, combustion characteristics, and maximum weight-loss rate of lo

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2

Zhang, Yong Feng, Xiang Yun Chen, Quan Zhou, Qian Cheng Zhang, and Chun Ping Li. "Combustion Kinetic Analysis of Lignite in Different Oxygen Concentration." Advanced Materials Research 884-885 (January 2014): 37–40. http://dx.doi.org/10.4028/www.scientific.net/amr.884-885.37.

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Combustion behavior of indigenous lignite in oxygen-enriched conditions was investigated by using thermogravimetric analyzer (TGA). Combustion tests were carried out in different oxygen concentration (21%O2/79%N2, 30%O2/70%N2, 40%O2/60%N2, 50%O2/50%N2, 60%O2/40%N2, 70%O2/30%N2). Then get the characteristic temperatures. . The model-fitting mathematical approach was used to evaluated the kinetic triplet (f (α),E,A) through Gorbatchev method. The combustion stages were divided into the early combustion stage and the later combustion stage. The calculation showed that the kinetics parameters high

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3

Oo, Chit Wityi, Masahiro Shioji, Hiroshi Kawanabe, Susan A. Roces, and Nathaniel P. Dugos. "A Skeletal Kinetic Model For Biodiesel Fuels Surrogate Blend Under Diesel-Engine Conditions." ASEAN Journal of Chemical Engineering 15, no. 1 (2015): 52. http://dx.doi.org/10.22146/ajche.49693.

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The biodiesel surrogate fuels are realistic kinetic tools to study the combustion of actual biodiesel fuels in diesel engines. The knowledge of fuel chemistry aids in the development of combustion modeling. In order to numerically simulate the diesel combustion, it is necessary to construct a compact reaction model for describing the chemical reaction. This study developed a skeletal kinetic model of methyl decanoate (MD) and n-heptane as a biodiesel surrogate blend for the chemical combustion reactions. The skeletal kinetic model is simply composed of 45 chemical species and 74 reactions base

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4

Zhu, Zhouyuan, Canhua Liu, Yajing Chen, Yuning Gong, Yang Song, and Junshi Tang. "In-situ Combustion Simulation from Laboratory to Field Scale." Geofluids 2021 (December 14, 2021): 1–12. http://dx.doi.org/10.1155/2021/8153583.

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In-situ combustion simulation from laboratory to field scale has always been challenging, due to difficulties in deciding the reaction model and Arrhenius kinetics parameters, together with erroneous results observed in simulations when using large-sized grid blocks. We present a workflow of successful simulation of heavy oil in-situ combustion process from laboratory to field scale. We choose the ongoing PetroChina Liaohe D block in-situ combustion project as a case of study. First, we conduct kinetic cell (ramped temperature oxidation) experiments, establish a suitable kinetic reaction model

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5

Sun, Minmin, Jianliang Zhang, Kejiang Li, Guangwei Wang, Haiyang Wang, and Qi Wang. "Thermal and kinetic analysis on the co-combustion behaviors of anthracite and PVC." Metallurgical Research & Technology 115, no. 4 (2018): 411. http://dx.doi.org/10.1051/metal/2018064.

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The co-combustion characteristics of anthracite and PVC were investigated by thermogravimetric analysis to study its application in BF. First, the combustion characteristics were investigated. It was found the initial combustion temperature (Ti) of blends decreased with the increase of PVC ratio, while its decreasing rate reached maximum when 10% PVC. Aiming for further characterizing the combustion kinetics, ten gas-solid reaction mechanism functions were adopted for different groups. Results showed that Dimensional Diffusion Model is the best model to describe the combustion kinetics of anth

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6

Dinde, Prashant, A. Rajasekaran, and V. Babu. "3D numerical simulation of the supersonic combustion of H2." Aeronautical Journal 110, no. 1114 (2006): 773–82. http://dx.doi.org/10.1017/s0001924000001640.

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Results from numerical simulations of supersonic combustion of H2 are presented. The combustor has a single stage fuel injection parallel to the main flow from the base of a wedge. The simulations have been performed using FLUENT. Realisable k-ε model has been used for modelling turbulence and single step finite rate chemistry has been used for modelling the H2-Air kinetics. All the numerical solutions have been obtained on grids with average value for wall y+ less than 40. Numerically predicted profiles of static pressure, axial velocity, turbulent kinetic energy and static temperature for bo

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7

Gutierrez, Albio D., and Luis F. Alvarez. "Simulation of Plasma Assisted Supersonic Combustion over a Flat Wall." Mathematical Modelling of Engineering Problems 9, no. 4 (2022): 862–72. http://dx.doi.org/10.18280/mmep.090402.

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This work presents a simplified methodology to couple the physics of a nanosecond pulsed discharge to the process of supersonic combustion in a flat wall combustor configuration. Plasma and supersonic combustion are separately simulated and then coupled by seeding plasma-generated radicals on the combustion domain. The plasma model is built assuming spatial uniformity and considering only the kinetic effects of the nanosecond pulsed discharge. Therefore, a zero-dimensional kinetic scheme accounting for the generation of plasma species is utilized. For the combustion model, the complete set of

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8

Komarov, Ivan, Daria Kharlamova, Bulat Makhmutov, Sofia Shabalova, and Ilya Kaplanovich. "Natural Gas-Oxygen Combustion in a Super-Critical Carbon Dioxide Gas Turbine Combustor." E3S Web of Conferences 178 (2020): 01027. http://dx.doi.org/10.1051/e3sconf/202017801027.

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The paper presents results for chemical kinetics of combustion process in the combustor of oxy-fuel cycle super-critical carbon dioxide gas turbine based on the Allam thermodynamic cycle. The work shows deviation of the normal flame propagation velocity for the case of transition from the traditional natural gas combustion in the N2 diluent environment to the combustion at super-high pressure up to 300 bar in CO2 diluent. The chemical kinetics parametric study involved the Chemkin code with the GRI-Mesh 3.0 kinetic mechanism. This mechanism provides good correspondence between calculation resu

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9

Zhang, Yong-Feng, Xiang-Yun Chen, Qian-Cheng Zhang, Chun-Ping Li, and Quan Zhou. "Oxygen-enriched combustion of lignite." Thermal Science 19, no. 4 (2015): 1389–92. http://dx.doi.org/10.2298/tsci1504389z.

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The study is concerned on the oxygen-enriched combustion kinetics of lignite. Thermogravimetric experiments were carried out in a thermogravimetric analyzer under O2/N2 conditions, and operated at different heating rates ranging from 5?C per minute to 25?C per minute. Flynn-Wall-Ozawa method was used to calculate the kinetic parameter. The value of activation energy increased when the oxygen concentration varied from 21% to 70%.

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10

Várhegyi, Gábor, Zoltán Sebestyén, Zsuzsanna Czégény, Ferenc Lezsovits, and Sándor Könczöl. "Combustion Kinetics of Biomass Materials in the Kinetic Regime." Energy & Fuels 26, no. 2 (2011): 1323–35. http://dx.doi.org/10.1021/ef201497k.

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