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Combustion and Flame
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4.12
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10056
Papers 10228
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#1Alessandro Orchini (Technical University of Berlin)H-Index: 5
#2Camilo F. Silva (TUM: Technische Universität München)H-Index: 6
Last.Jonas P. Moeck (NTNU: Norwegian University of Science and Technology)H-Index: 10
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Abstract We propose a general classification of all the modes of a given thermoacoustic system into two sets: one of acoustic origin and one of intrinsic thermoacoustic (ITA) origin. To do this, the definition of intrinsic modes, traditionally based on anechoic boundary conditions, is reformulated in terms of the gain n of the Flame Transfer Function (FTF). As a consequence of this classification, we show how theoretical results for the estimation of all thermoacoustic modes can be derived in th...
#1Giuseppe D'Alessio (Polytechnic University of Milan)
#2Alessandro Parente (ULB: Université libre de Bruxelles)H-Index: 17
Last.Alberto Cuoci (Polytechnic University of Milan)H-Index: 27
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Abstract Numerical simulations of multi-dimensional laminar flames with complex kinetic mechanisms are computationally very demanding, because of the large number of species and the strong non-linearity and stiffness of governing equations. In this work, we present and apply a novel adaptive chemistry methodology for mitigating the computational cost of such simulations, based on machine-learning algorithms which automatically classify the composition space via a priori defined classifiers. The ...
#1Yan ZhangH-Index: 4
#2Bowen MeiH-Index: 1
Last.Yuyang LiH-Index: 24
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Abstract This work reports the investigation on pyrolysis and laminar flame propagation of sec-butylbenzene. The pyrolysis experiments were performed in a flow reactor using synchrotron vacuum ultraviolet photoionization mass spectrometry from 780 to 1166 K at 0.04 and 1 atm. The pyrolysis products were identified and their mole fraction profiles versus the heating temperature were evaluated. The laminar burning velocities of sec-butylbenzene/air mixtures were measured at the initial temperature...
#1Lin Li (SEU: Southeast University)H-Index: 1
#2Lunbo Duan (SEU: Southeast University)H-Index: 22
Last.Changsui Zhao (SEU: Southeast University)H-Index: 30
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Abstract Pressurized oxy-fuel combustion (POFC) is recognized as the second generation of oxy-fuel combustion for the reduction of CO2 emissions, which has gradually gained more and more attention recently. In this work, the influence of pressure on the combustion characteristics (i.e., ignition, volatiles combustion, char combustion) of a single lignite particle was investigated in a pressurized visualized fluidized bed combustor under O2/N2 and O2/CO2 atmospheres. The combustion process was re...
#1Miles Rehwoldt (UMD: University of Maryland, College Park)H-Index: 2
#2Haiyang Wang (UCR: University of California, Riverside)H-Index: 9
Last.Michael R. Zachariah (UCR: University of California, Riverside)H-Index: 56
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Abstract Metallized energetic composite films incorporating high mass loadings of aluminum nanoparticle fuels and metal oxide oxidizers (thermite) within a polyvinylidene fluoride (PVDF) polymer matrix were constructed via repeatable direct write additive manufacturing (3-D Printing). High speed videography, Temperature-Jump/Time of Flight Mass Spectrometry (T-Jump/TOFMS), and 2D spaciotemporal temperature mapping were used to analyze the role of composition and particle loading with respect to ...
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