Search Results - "Dinkelacker, F."

Modelling and simulation of lean premixed turbulent methane/hydrogen/air flames with an effective Lewis number approach by Dinkelacker, F., Manickam, B., Muppala, S.P.R.

“…Recent work on reaction modelling of turbulent lean premixed combustion has shown a significant influence of the Lewis number even at high turbulence…”
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Numerical modelling of unburned hydrocarbon emissions in gas engines with varied fuels by Kuppa, K., Nguyen, H.D., Goldmann, A., Korb, B., Wachtmeister, G., Dinkelacker, F.

“…A numerical model is developed for the prediction of unburned hydrocarbons (UHC) emissions in gas engines. Local UHC sources in the engine combustion chamber…”
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Pressure influence on the flame front curvature of turbulent premixed flames: comparison between experiment and theory by Soika, A., Dinkelacker, F., Leipertz, A.

“…In gas turbines, lean premixed combustion is executed in strongly turbulent flow fields and under high-pressure to allow large thermal loads within small-size…”
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The influence of pressure on the control of premixed turbulent flames using an electric field by Sakhrieh, A., Lins, G., Dinkelacker, F., Hammer, T., Leipertz, A., Branston, D.W.

“…Previous investigations of the effects of electric fields on flames have shown the potential for stabilizing flames and reducing emissions with comparatively…”
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Large-Eddy Simulation of Lean Premixed Turbulent Flames of Three Different Combustion Configurations using a Novel Reaction Closure by Aluri, N. K., Muppala, S., Dinkelacker, F.

“…This large eddy simulation (LES) study is applied to three different premixed turbulent flames under lean conditions at atmospheric pressure. The hierarchy of…”
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Investigation of a Turbulent Flame Speed Closure Approach for Premixed Flame Calculations by DINKELACKER, F., HÖLZLER, S.

“…A computational model for turbulent premixed gaseous combustion is investigated, where the combustion process is modelled in terms of a single transport…”
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Experimental Determination of the Sub-grid Scale Scalar Flux in a Non-Reacting Jet-Flow by Löffler, M., Pfadler, S., Beyrau, F., Leipertz, A., Dinkelacker, F., Huai, Y., Sadiki, A.

“…This work presents an experimental approach to the direct determination of the sub-grid scale scalar flux used in Large Eddy Simulation (LES). Two non-reacting…”
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DETAILED 2-D NUMERICAL SIMULATIONS OF RICH, PREMIXED LAMINAR METHANE FLAMES FOR CO CONCENTRATIONS AND TEMPERATURE by MUPPALA, S. P. REDDY, SANNALA, S. K. R., ALURI, N. K., DINKELACKER, F., BEYRAU, F., LEIPERTZ, A.

“…In this numerical work, two-dimensional rich premixed laminar methane-air flames are calculated in detail. Emphasis is laid on the comparative analysis of…”
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A numerical study promoting algebraic models for the lewis number effect in atmospheric turbulent premixed bunsen flames by ALURI, N. K, PANTANGI, P. K. G, MUPPALA, S. P. R, DINKELACKER, F

“…This numerical investigation carried out on turbulent lean premixed flames accounts for two algebraic - the Lindstedt-Vaos (LV) and the classic Bray-Moss-Libby…”
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A Comparative Study of Different Reaction Models for Turbulent Methane/Hydrogen/Air Combustion by Muppala, S., Manickam, B., Dinkelacker, F.

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Development of an algebraic reaction rate closure for the numerical calculation of turbulent premixed methane, ethylene, and propane/air flames for pressures up to 1.0 MPa by Muppala, S.P. Reddy, Aluri, Naresh K., Dinkelacker, Friedrich, Leipertz, Alfred

“…In this work a simplified but effective closure for the numerical simulation of turbulent premixed flames is developed, being applicable for pressures up to…”
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Determination of the third velocity component with PTA using an intensity graded light sheet by DINKELACKER, F, SCHÄFER, M, KETTERLE, W, WOLFRUM, J, STOLZ, W, KÖHLER, J

“…A new method for the determination of the velocity field with all three velocity components in a light sheet was demonstrated that combines conventional…”
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Pattern formation of powder on a vibrating disc by Dinkelacker, F., Hübler, A., Lüscher, E.

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Measurement of the instantaneous detailed flame structure in turbulent premixed combustion by Buschmann, A., Dinkelacker, F., Schäfer, T., Schäfer, M., Wolfrum, J.

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Structure of locally quenched highly turbulent lean premixed flames by Dinkelacker, F., Soika, A., Most, D., Hofmann, D., Leipertz, A., Polifke, W., Döbbeling, K.

“…The local flame structure of a premixed swirl-stabilized gas turbine burner has been investigated, where “thickened flames” or flames in the “stirred reactor…”
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Measurement of the conditioned turbulence and temperature field of a premixed Bunsen burner by planar laser Rayleigh scattering and stereo particle image velocimetry by PFADLER, Sebastian, LÖFFLER, Micha, DINKELACKER, Friedrich, LEIPERTZ, Alfred

“…The turbulence and temperature field of Bunsen-type turbulent lean methane/air flames has been investigated using planar laser Rayleigh scattering (PLRS) and…”
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Application of UV-laser-diagnostics to combustion research under zero-gravity by König, J, Dinkelacker, F, Eigenbrod, Ch, Rath, H.J, Schröder, Th, Albrecht, H, Müller, D, Triebel, W

“…The application of modern laser diagnostical measurement techniques for combustion research in earth-based laboratories has brought essential experimental…”
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Substantiating a fractal-based algebraic reaction closure of premixed turbulent combustion for high pressure and the Lewis number effects by Aluri, Naresh K., Reddy Muppala, S.P., Dinkelacker, Friedrich

“…A comprehensive set of nearly 100 atmospheric and high-pressure flame data of Kobayashi et al. are a good source for numerical analysis to address two main…”
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Direct determination of the turbulent flux by simultaneous application of filtered rayleigh scattering thermometry and particle image velocimetry by Most, Dieter, Dinkelacker, Friedrich, Leipertz, Alfred

“…In moderately and highly turbulent, premixed CH 4/air flames, two-dimensional simultaneous measurements of instantaneous velocity, temperature, and density…”
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Experimental Determination of the Sub-grid Scale Scalar Flux in a Non-Reacting Jet-Flow: International Symposium on Turbulence, Heat and Mass Transfer, THMT-06 by LIIFFLER, M, PFADLER, S, BEYRAU, F, LEIPERTZ, A, DINKELACKER, F, HUAI, Y, SADIKI, A

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