Search Results - "Emerson, D. R."

All-Optical GeV Electron Bunch Generation in a Laser-Plasma Accelerator via Truncated-Channel Injection by Picksley, A, Chappell, J, Archer, E, Bourgeois, N, Cowley, J, Emerson, D R, Feder, L, Gu, X J, Jakobsson, O, Ross, A J, Wang, W, Walczak, R, Hooker, S M

“…We describe a simple scheme, truncated-channel injection, to inject electrons directly into the wakefield driven by a high-intensity laser pulse guided in an…”
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A computational strategy for the regularized 13 moment equations with enhanced wall-boundary conditions by Gu, X.J., Emerson, D.R.

“…The challenge of modeling low-speed rarefied gas flow in the transition regime is well known. In this paper, we propose a numerical solution procedure for the…”
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Numerical assessment of subgrid scale models for scalar transport in large-eddy simulations of hydrogen-enriched fuels by MARTINEZ, D. Mira, JIANG, X, MOULINEC, C, EMERSON, D. R

“…A comparison of two different models addressing the scalar transport in large-eddy simulations is conducted for a non-reacting jet and an experimental flame. A…”
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Modes of reaction front propagation from hot spots by Gu, X.J., Emerson, D.R., Bradley, D.

“…The results of computations with detailed chemical kinetic schemes for the autoignition of stoichiometric H 2-CO-air and H 2-air mixtures at high pressure and…”
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Lattice Boltzmann modelling Knudsen layer effect in non-equilibrium flows by Tang, G. H, Zhang, Y. H, Gu, X. J, Emerson, D. R

“…Due to its intrinsically kinetic nature, lattice Boltzmann (LB) approach to simulating non-equilibrium gas flows has recently attracted significant research…”
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Numerical investigation of the effects of fuel variability on the dynamics of syngas impinging jet flames by Mira Martinez, D., Jiang, X., Moulinec, C., Emerson, D.R.

“…Numerical simulations using the Large-eddy simulation technique is presented to study the effects of fuel variability on the dynamics of hydrogen and syngas…”
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Numerical and experimental study of a droplet-based PCR chip by Mohr, S., Zhang, Y.-H., Macaskill, A., Day, P. J. R., Barber, R. W., Goddard, N. J., Emerson, D. R., Fielden, P. R.

“…A two-temperature continuous-flow polymerase chain reaction (PCR) polymer chip has been constructed that takes advantage of droplet technology to avoid sample…”
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Gas flow in microchannels : A lattice Boltzmann method approach by ZHANG, Y. H, QIN, R. S, SUN, Y. H, BARBER, R. W, EMERSON, D. R

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Numerical simulations of turbulent jet flames with non-premixed combustion of hydrogen-enriched fuels by Mira Martinez, D., Jiang, X., Moulinec, C., Emerson, D.R.

“…Large-eddy simulation is conducted to study the turbulent combustion processes of hydrogen and syngas flames. The subgrid scale momentum transport is performed…”
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TELEMAC: An efficient hydrodynamics suite for massively parallel architectures by Moulinec, C., Denis, C., Pham, C.-T., Rougé, D., Hervouet, J.-M., Razafindrakoto, E., Barber, R.W., Emerson, D.R., Gu, X.-J.

“…This paper investigates the use of TELEMAC (a Finite Element-based hydrodynamics suite) on massively parallel computer architectures. The performance of…”
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Modelling thermal flow in the transition regime using a lattice Boltzmann approach by Zhang, Y.-H, Gu, X. J, Barber, R. W, Emerson, D. R

“…Lattice Boltzmann models are already able to capture important rarefied flow phenomena, such as velocity-slip and temperature jump, provided the effects of the…”
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An improved parallel compact scheme for domain‐decoupled simulation of turbulence by Fang, J., Gao, F., Moulinec, C., Emerson, D.R.

“…Summary An improved domain‐decoupled compact scheme for first and second spatial derivatives is proposed for domain‐decomposition‐based parallel computational…”
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A practical approach for extracting mechanical properties of microcapsules using a hybrid numerical model by Rahmat, A., Meng, J., Emerson, D. R., Wu, Chuan-Yu, Barigou, M., Alexiadis, A.

“…In this paper, the deformation of compliant microcapsules is studied in narrow constrictions using a hybrid particle-based model. The model combines the…”
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An unstructured adaptive mesh refinement approach for computational fluid dynamics of reacting flows by Cant, R.S., Ahmed, U., Fang, J., Chakarborty, N., Nivarti, G., Moulinec, C., Emerson, D.R.

“…A new Direct Numerical Simulation (DNS) code HAMISH with Adaptive Mesh Refinement (AMR) has been developed to simulate compressible reacting flow in a…”
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Computational framework for the regularized 20-moment equations for non-equilibrium gas flows by Mizzi, S., Gu, X. J., Emerson, D. R., Barber, R. W., Reese, J. M.

“…This paper presents a framework for solving the regularized 20‐moment equations consisting of a set of transport‐like governing equations, the required…”
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Coupling Molecular Dynamics and Direct Simulation Monte Carlo using a general and high-performance code coupling library by Longshaw, S.M., Pillai, R., Gibelli, L., Emerson, D.R., Lockerby, D.A.

“…•Direct coupling of Molecular Dynamics to Direct Simulation Monte Carlo for HPC.•Developed in open-source software OpenFOAM and the Multiscale Universal…”
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Resonant excitation of plasma waves in a plasma channel by Ross, A. J., Chappell, J., van de Wetering, J. J., Cowley, J., Archer, E., Bourgeois, N., Corner, L., Emerson, D. R., Feder, L., Gu, X. J., Jakobsson, O., Jones, H., Picksley, A., Reid, L., Wang, W., Walczak, R., Hooker, S. M.

“…We demonstrate resonant excitation of a plasma wave by a train of short laser pulses guided in a preformed plasma channel, for parameters relevant to a…”
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Anisotropic, isothermal, turbulent swirling flow in a complex combustor geometry by Jones, L. N., Gaskell, P. H., Thompson, H. M., Gu, X. J., Emerson, D. R.

“…The performance of popular second moment closure (LRR, SSG) turbulence models is assessed and compared against experimental data for anisotropic swirling flow…”
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Fabrication and Characterization of a Low-Cost, Wafer-Scale Radial Microchannel Cooling Plate by Desmulliez, M.P.Y., Pang, A.J., Leonard, M., Dhariwal, R.S., Yu, W., Abraham, E., Bognar, G., Poppe, A., Horvath, G., Kohari, Z., Rencz, M., Emerson, D.R., Barber, R.W., Slattery, O., Waldron, F., Cordero, N.

“…The modeling, simulation, fabrication, and testing of a microchannel cooling plate for microelectronic packaging applications are described in this paper. The…”
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An optimal migration algorithm for dynamic load balancing by HU, Y. F., BLAKE, R. J., EMERSON, D. R.

“…The problem of redistributing the work load on parallel computers is considered. An optimal redistribution algorithm, which minimises the Euclidean norm of the…”
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