Search Results - "Bray, K.N.C."

Scalar and its dissipation in the near field of turbulent lifted jet flame by Ruan, S., Swaminathan, N., Bray, K.N.C., Mizobuchi, Y., Takeno, T.

“…In this study various scalar dissipation rates and their modelling in the context of partially premixed flame are investigated. A DNS dataset of the near field…”
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PDF transport equations for two-phase reactive flows and sprays by Zhu, M., Bray, K.N.C., Rumberg, O., Rogg, B.

“…For two-phase flows, single-point and single-time (probability) density functions of jointly all liquid-phase and gas-phase dependent variables are defined…”
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Experimental study of premixed turbulent combustion in opposed streams. Part III—spatial structure of flames by Kostiuk, L.W, Shepherd, I.G, Bray, K.N.C

“…The local scalar statistics of premixed flames in turbulent opposed streams has been studied by sheet laser tomography. The statistics collected on these flame…”
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Effect of dilatation on scalar dissipation in turbulent premixed flames by Swaminathan, N., Bray, K.N.C.

“…The scalar dissipation rate signifies the local mixing rate and thus plays a vital role in the modeling of reaction rate in turbulent flames. The local mixing…”
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Paradigms in turbulent combustion research by Bilger, R.W., Pope, S.B., Bray, K.N.C., Driscoll, J.F.

“…The development of the basic conceptual viewpoints, or paradigms, for turbulent combustion in gases over the last 50 years is reviewed. Significant progress…”
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Finite rate chemistry and presumed PDF models for premixed turbulent combustion by Bray, K.N.C., Champion, M., Libby, P.A., Swaminathan, N.

“…The sensitivity of the prediction of mean reaction rates in turbulent premixed flames to presumed PDF shape is studied. Three different presumed PDF shapes are…”
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Partially premixed flames in stagnating turbulence: the merging of planar triple flame by Bray, K.N.C., Champion, M., Libbay, P.A

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Systematically reduced rate mechanisms and presumed PDF models for premixed turbulent combustion by Bray, Ken, Champion, Michel, Libby, Paul A.

“…The use of reduced kinetic mechanisms in models for turbulent premixed flames, at large but finite Damköhler numbers, is described. Taking as examples the two…”
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Premixed flames in stagnating turbulence Part VI. Predicting the mean density and the permitted rates of strain for impinging reactant streams by BRAY, Ken, CHAMPION, Michel, LIBBY, Paul A

“…A RANS analysis of a jet of premixed reactants impinging on a wall is presented. Unlike previous related studies by the same authors, in which the mean density…”
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Assessment of the applicability of conditional moment closure to a lifted turbulent flame: first order model by Devaud, C.B., Bray, K.N.C.

“…This paper presents the results of a detailed study of Conditional Moment Closure (CMC) applied to a lifted turbulent flame. The objectives are to find out how…”
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Vorticity and scalar transport in premixed turbulent combustion by Louch, D.S., Bray, K.N.C.

“…Results from a simulation of a vortex ring-flame interaction experiment previously reported in the literature are presented. Direct simulation is then used to…”
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Velocity and scalar statistics for premixed turbulent stagnation flames using PIV by Stevens, E.J., Bray, K.N.C., Lecordier, B.

“…Particle Image Velocimetry (PIV) has been used to study premixed turbulent methane-air flames in a stagnation plate configuration. The PIV images were recorded…”
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Characterization of impinging jet flames by Zhang, Y., Bray, K.N.C.

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Premixed flames in stagnating turbulence part IV: a new theory for the Reynolds stresses and Reynolds fluxes applied to impinging flows by Bray, K.N.C., Champion, Michel, Libby, Paul A.

“…We extend an earlier asymptotic analysis to calculate the Reynolds stresses and fluxes in a turbulent premixed reactant stream impinging on a wall. A critical…”
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Laminar flamelet expressions for pressure fluctuation terms in second moment models of premixed turbulent combustion by Domingo, P., Bray, K.N.C.

“…New reacting flow models are proposed and tested for all pressure fluctuation covariances that are known to play a crucial role in the second moment closure of…”
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Pre-mixed flames in stagnating turbulence by Bray, K.N.C., Champion, Michel, Libby, Paul A.

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Experimental and numerical studies of a triple flame by Kı̃oni, P.N., Bray, K.N.C., Greenhalgh, D.A., Rogg, B.

“…The structure of a laminar triple flame is investigated both experimentally and numerically. The distribution of OH radicals in the flame is mapped using Laser…”
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Vorticity in unsteady premixed flames: vortex pair–premixed flame interactions under imposed body forces and various degrees of heat release and laminar flame thickness by Louch, D.S., Bray, K.N.C.

“…The dynamics of vortical structures are investigated when a vortex pair propagates into a premixed flame under different imposed body forces in the direction…”
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Reply to “comments on the paper: premixed flames in stagnating turbulence part V—evaluation of models for the chemical source term” by A. N. Lipatnikov by Bray, K.N.C., Champion, M., Libby, P.A.

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Premixed flames in stagnating turbulence part II. The mean velocities and pressure and the Damköhler number by Bray, K.N.C., Champion, Michel, Libby, Paul A.

“…We extend to premixed flames an earlier asymptotic analysis of constant density stagnating turbulence by introducing a specified distribution of mean density,…”
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