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作者:... J. Koch , P. Soltic , K. Boulouchos
来源:[J].International Journal of Hydrogen Energy(IF 3.548), 2019, Vol.44 (49), pp.27107-27122Elsevier
摘要:Abstract(#br)The temporal evolution of the kinematic properties of hydrogen enriched, lean premixed methane-air flames was studied experimentally in a rapid compression expansion machine (RCEM) during transient operation. Schlieren imaging was used to capture the flame front prop...
作者:... C.E. Frouzakis , A.G. Tomboulides , K. Boulouchos
来源:[J].Proceedings of the Combustion Institute(IF 2.374), 2013, Vol.34 (1), pp.1109-1115Elsevier
摘要:Abstract(#br)The wrinkling of premixed flame fronts propagating in gravity-free, quiescent, diffusionally imbalanced mixtures results from the combined influence of hydrodynamic and thermodiffusive instabilities. In this paper, the evolution of expanding, lean (equivalence r...
作者:K. Boulouchos , P.F. Fischer
来源:[J].International Journal of Heat and Fluid Flow(IF 1.581), 2017, Vol.68, pp.257-268Elsevier
摘要:Abstract(#br)The incompressible flow in the intake pipe of a laboratory-scale internal combustion engine at Reynolds numbers corresponding to realistic operating conditions was studied with the help of direct numerical simulations. The mass flow through the curved pipe remained c...
作者:... P. Jansohn , J. Mantzaras , K. Boulouchos
来源:[J].Proceedings of the Combustion Institute(IF 2.374), 2010, Vol.33 (2), pp.2937-2944Elsevier
摘要:Abstract(#br)Modifications of conventional natural-gas-fired burners for operation with syngas fuels using lean premixed combustion is challenging due to the different physicochemical properties of the two fuels. A key differentiating parameter is the turbulent flame velocit...
作者:... J. Lee , K. Boulouchos , A.A. Alonso
来源:[J].Proceedings of the Combustion Institute(IF 2.374), 2000, Vol.28 (1), pp.75-81Elsevier
摘要:In this paper, direct numerical simulation (DNS) data of an opposed-jet hydrogen/air diffusion flame are, in a postprocessing step, analyzed using the proper orthogonal decomposition (POD) technique. The aim of this work is twofold. The first goal is to compute a small numbe...
作者:J. Lee , C.E. Frouzakis , K. Boulouchos
来源:[J].Proceedings of the Combustion Institute(IF 2.374), 2000, Vol.28 (1), pp.801-806Elsevier
摘要:In an opposed-jet diffusion flame experiment, under certain conditions, after the extinction of the diffusion flame, an edge flame can be obtained. This ring-shaped edge flame was first reported in 1959 by Potter and Butler but received little attention. It was reported again rec...
作者:... B. von Rotz , K. Herrmann , K. Boulouchos
来源:[J].Fuel(IF 3.357), 2019, Vol.236, pp.912-927Elsevier
摘要:Abstract(#br)This experimental study focuses on the characteristics of water-in-fuel-emulsions (WFE) with low water mass fractions ( ⩽ 10 wt % ) on injection, spray combustion and soot in regard to direct-injection (DI) diesel fuel engines. Inves...
作者:... B. von Rotz , K. Herrmann , K. Boulouchos
来源:[J].Fuel(IF 3.357), 2019, Vol.248, pp.104-116Elsevier
摘要:Abstract(#br)The application of water-in-fuel (n-dodecane) emulsions (WFE) with a fixed water mass fraction of 10 wt% has been investigated in an optically accessible constant volume combustion chamber (CVCC) at varying low ambient temperatures conditions ( T gas = 760 – 800...
作者:... R.M. Rais , P.A. Monkewitz , K. Boulouchos
来源:[J].Proceedings of the Combustion Institute(IF 2.374), 2004, Vol.30 (1), pp.185-192Elsevier
摘要:Abstract(#br)Recent experimental investigations have demonstrated that the appearance of particular cellular states in circular non-premixed jet flames significantly depends on a number of parameters, including the initial mixture strength, reactant Lewis numbers, and proxim...
作者:... A.G. Tomboulides , S.G. Kerkemeier , K. Boulouchos
来源:[J].Proceedings of the Combustion Institute(IF 2.374), 2011, Vol.33 (1), pp.1261-1268Elsevier
摘要:Abstract(#br)Lean premixed hydrogen/air flames are characterized by subunity Lewis numbers and the strong influence of thermal-diffusive instability in addition to the omnipresent hydrodynamic instability caused by thermal expansion. Such intrinsically unstable flames acquir...

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