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Combustion and Flame
IF
4.12
Papers
10056
Papers 10131
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Published in Combustion and Flame 4.12
Dong-Xu Tian1
Estimated H-index: 1
(CAS: Chinese Academy of Sciences),
Yue-Xi Liu6
Estimated H-index: 6
(CAS: Chinese Academy of Sciences)
+ -3 AuthorsZhen-Yu Tian21
Estimated H-index: 21
(CAS: Chinese Academy of Sciences)
Abstract Pyrolysis study of iso-propylbenzene (IPB) at 30 and 760 torr was carried out by using synchrotron photoionization and molecular beam mass spectrometry techniques. 0.5%IPB was diluted by helium and heated to 798–1148 K in a flow tube. Styrene was the most abundant aromatic intermediate at both pressures. Several polycyclic aromatics were only observed at 760 torr, such as 2-ethenyl-1, 4-dimethyl-benzene, fluorene, anthracene, phenanthrene, 2-methyl-anthracene and pyrene, while fulvene, ...
Published in Combustion and Flame 4.12
Rekha Sangtyani1
Estimated H-index: 1
(High Energy Materials Research Laboratory),
Himadri S. Saha (High Energy Materials Research Laboratory)+ -3 AuthorsPrakash V. Chavan
Abstract Modification in burn rate of composite solid propellant has become a necessity of a mission. Burn rate can be modified by various mean viz. (i) tailoring the ammonium perchlorate (AP) particle size, (ii) use of nano-sized particles and (iii) incorporating burn rate modifiers. Literature discusses about various burn rate modifiers. Out of these, Iron oxide (Fe2O3)/IO is the well known burn rate enhancer. Here a systematic study was carried out by undertaking experiments at varying levels...
Published in Combustion and Flame 4.12
Nimal Naser7
Estimated H-index: 7
,
Abdul Gani Abdul Jameel3
Estimated H-index: 3
+ -3 AuthorsS.M. Sarathy26
Estimated H-index: 26
Yuqi Hu1
Estimated H-index: 1
,
Eirik Christensen + -3 AuthorsGuillermo Rein31
Estimated H-index: 31
Peat fires are a global-scale source of carbon emissions and a leading cause of regional air quality deterioration, especially in Southeast Asia. The ignition and spread of peat fires are strongly affected by moisture, which acts as an energy sink. However, moisture effects on peat fire emissions are poorly understood in the literature. Here we present the first experimental work to investigate transient gas and particle emissions for a wide range of peat moisture contents (MCs). We include dryi...
Published in Combustion and Flame 4.12
Peng Liu6
Estimated H-index: 6
(KAUST: King Abdullah University of Science and Technology),
Bingjie Chen6
Estimated H-index: 6
(KAUST: King Abdullah University of Science and Technology)
+ -3 AuthorsWilliam L. Roberts41
Estimated H-index: 41
(KAUST: King Abdullah University of Science and Technology)
Abstract Oxygenated polycyclic aromatic hydrocarbons (OPAH) have received increasing attention due to their toxic effect on human health. This study comprehensively investigates the evolution of OPAH chemistry at flame temperatures. Jet-stirred reactor (JSR) experiments with benzene/phenol/C2H2/N2 and benzene/C2H2/O2/N2 revealed that OPAH with oxygenated heterocycle can be formed by the addition of C2H2 at 1400 K. To further clarify the evolution of OPAH chemistry in soot systems, OPAH formation...
Published in Combustion and Flame 4.12
Peng Zhao10
Estimated H-index: 10
(UR: University of Rochester),
S.H. Lam1
Estimated H-index: 1
(Princeton University)
Abstract The theory of Computational Singular Perturbation (CSP) has been widely used in the chemical kinetics and combustion community to understand complex chemistry, reduce chemical kinetic models and perform computational diagnostics in reacting flow simulations. Useful as it is, the application of CSP is nevertheless subject to computationally expensive eigen-decomposition of the chemical Jacobian matrix, especially for mechanisms involving a large number of species. In 2016–2017, a new CSP...
Published in Combustion and Flame 4.12
Agnieszka Wawrzak1
Estimated H-index: 1
(Częstochowa University of Technology),
Artur Tyliszczak10
Estimated H-index: 10
(Częstochowa University of Technology)
Abstract The paper presents the numerical studies on spark ignition in a turbulent mixing layer formed between a fuel stream (H2/N2) and air flowing in the opposite directions. Compared to an ignition mechanism observed in stationary mixing layers or in premixed homogeneous mixtures studied previously by many authors, the present results show a significantly different flame formation process. At an early stage of the ignition process, the flame kernel, which is initially spherical, is strongly t...
Published in Combustion and Flame 4.12
Jia Cheng1
Estimated H-index: 1
(HUST: Huazhong University of Science and Technology),
Chun Zou11
Estimated H-index: 11
(HUST: Huazhong University of Science and Technology)
+ -3 AuthorsYang Liu8
Estimated H-index: 8
(HUST: Huazhong University of Science and Technology)
Abstract Pentanone has three types of isomers: 3-methyl-2-butanone (methyl isopropyl ketone, MIPK), 3-pentanone (diethyl ketone, DEK) and 2-pentanone (methyl propyl ketone, MPK). Since MIPK is the smallest branched ketone and a promising biofuel, it is important to fully understand its combustion kinetics. In this work, the ignition delay times were measured in the temperature range from 1150 to 1600 K at pressures from 1 to 5 bar and for the equivalence ratios of 0.5, 1.0 and 1.5 (Mixes 1–9). A...
Published in Combustion and Flame 4.12
Ki Sung Jung1
Estimated H-index: 1
(UNIST: Ulsan National Institute of Science and Technology),
Ba Reum Jung (UNIST: Ulsan National Institute of Science and Technology)+ -3 AuthorsChun Sang Yoo18
Estimated H-index: 18
(UNIST: Ulsan National Institute of Science and Technology)
Abstract The liftoff, autoignition, and stabilization characteristics of autoignited laminar lifted dimethyl ether (DME) jet flames in heated coflow air are numerically investigated by varying the fuel jet velocity, U0. The detailed numerical simulations are performed using the laminarSMOKE code with a 55-species detailed kinetic mechanism of DME oxidation. An unusual U-shaped liftoff height, HL, behavior under MILD combustion condition is observed from the simulations, which is qualitatively co...
Published in Combustion and Flame 4.12
Jeffrey Santner (California State University, Los Angeles), S. Scott Goldsborough8
Estimated H-index: 8
(Argonne National Laboratory)
Abstract Mild ignition is a ‘non-ideal’ autoignition process observed at some conditions in rapid compression machine, shock tube and flow reactor experiments where flames and/or reaction fronts initiate due to non-uniformities within the test mixture. These flames/fronts can consume the entire mixture, or compression-heat the unburned gas, causing bulk ignition at times earlier than in homogeneous environments. This study numerically investigates mild ignition features using computational fluid...
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