Search Results - "Grout, Ray"

Experimental and numerical investigation of the Advanced Fuel Ignition Delay Analyzer (AFIDA) constant-volume combustion chamber as a research platform for fuel chemical kinetic mechanism validation by Luecke, Jon, Rahimi, Mohammad J., Zigler, Bradley T., Grout, Ray W.

“…•Constant volume combustion chamber performs fuel ignition delay measurements.•Developed CFD model accounts for physical mixing and chemical kinetic process…”
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Deep learning for presumed probability density function models by T. Henry de Frahan, Marc, Yellapantula, Shashank, King, Ryan, S. Day, Marc, W. Grout, Ray

“…In this work, we use machine learning (ML) techniques to develop presumed probability density function (PDF) models for large eddy simulations (LES) of…”
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A Bayesian approach to calibrating hydrogen flame kinetics using many experiments and parameters by Bell, John, Day, Marcus, Goodman, Jonathan, Grout, Ray, Morzfeld, Matthias

“…First-principles Markov Chain Monte Carlo sampling is used to investigate uncertainty quantification and uncertainty propagation in parameters describing…”
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Mechanisms of flame stabilization and blowout in a reacting turbulent hydrogen jet in cross-flow by Kolla, Hemanth, Grout, Ray W., Gruber, Andrea, Chen, Jacqueline H.

“…The mechanisms contributing to flame stabilization and blowout in a nitrogen-diluted hydrogen transverse jet in a turbulent boundary layer cross-flow (JICF)…”
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Effect of fuel composition and differential diffusion on flame stabilization in reacting syngas jets in turbulent cross-flow by Minamoto, Yuki, Kolla, Hemanth, Grout, Ray W., Gruber, Andrea, Chen, Jacqueline H.

“…Three-dimensional direct numerical simulation results of a transverse syngas fuel jet in turbulent cross-flow of air are analyzed to study the influence of…”
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PeleC: An adaptive mesh refinement solver for compressible reacting flows by Henry de Frahan, Marc T, Rood, Jon S, Day, Marc S, Sitaraman, Hariswaran, Yellapantula, Shashank, Perry, Bruce A, Grout, Ray W, Almgren, Ann, Zhang, Weiqun, Bell, John B, Chen, Jacqueline H

“…Reacting flow simulations for combustion applications require extensive computing capabilities. Leveraging the AMReX library, the Pele suite of combustion…”
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Screening Fuels for Autoignition with Small-Volume Experiments and Gaussian Process Classification by Lunderman, Spencer, Fioroni, Gina M, McCormick, Robert L, Nimlos, Mark R, Rahimi, Mohammad J, Grout, Ray W

“…Partially reacting candidate fuels under highly dilute conditions across a range of temperatures provides a means to classify the candidates based on…”
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Feature-Based Statistical Analysis of Combustion Simulation Data by Bennett, Janine C., Krishnamoorthy, Vaidyanathan, Shusen Liu, Grout, Ray W., Hawkes, Evatt R., Chen, Jacqueline H., Shepherd, Jason, Pascucci, Valerio, Bremer, Peer-Timo

“…We present a new framework for feature-based statistical analysis of large-scale scientific data and demonstrate its effectiveness by analyzing features from…”
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A moving embedded boundary approach for the compressible Navier-Stokes equations in a block-structured adaptive refinement framework by Natarajan, Mahesh, Grout, Ray, Zhang, Weiqun, Day, Marc

“…•An unsplit, adaptive mesh, moving embedded boundary approach for the compressible Navier-Stokes equations is developed.•A least-squares estimation is used at…”
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Deep learning-based model for progress variable dissipation rate in turbulent premixed flames by Yellapantula, Shashank, Perry, Bruce A., Grout, Ray W.

“…A deep neural network (DNN) based large eddy simulation (LES) model for progress variable dissipation rate in turbulent premixed flames is presented. The DNN…”
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Combining in-situ and in-transit processing to enable extreme-scale scientific analysis by Bennett, J. C., Abbasi, H., Bremer, P-T, Grout, R., Gyulassy, A., Tong Jin, Klasky, S., Kolla, H., Parashar, M., Pascucci, V., Pebay, P., Thompson, D., Hongfeng Yu, Fan Zhang, Chen, J.

“…With the onset of extreme-scale computing, I/O constraints make it increasingly difficult for scientists to save a sufficient amount of raw simulation data to…”
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A moving embedded boundary approach for the compressible Navier-Stokes equations in a block-structured adaptive refinement framework by Natarajan, Mahesh, Grout, Ray, Zhang, Weiqun, Day, Marc

“…We report a computational technique has been developed to perform compressible flow simulations involving moving boundaries using an embedded boundary approach…”
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Balancing conflicting requirements for grid and particle decomposition in continuum-Lagrangian solvers by Sitaraman, Hariswaran, Grout, Ray

“…•Load balancing strategies for particle/grid interactions are studied in this work•Particle spatial decomposition strategy is compared with equal sharing among…”
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Deep learning-based model for progress variable dissipation rate in turbulent premixed flames by Yellapantula, Shashank, Perry, Bruce A., Grout, Ray W.

“…A deep neural network (DNN) based large eddy simulation (LES) model for progress variable dissipation rate in turbulent premixed flames is presented. The DNN…”
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Balancing conflicting requirements for grid and particle decomposition in continuum-Lagrangian solvers by Sitaraman, Hariswaran, Grout, Ray

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Adaptive mesh based combustion simulations of direct fuel injection effects in a supersonic cavity flame-holder by Sitaraman, Hariswaran, Yellapantula, Shashank, Henry de Frahan, Marc T., Perry, Bruce, Rood, Jon, Grout, Ray, Day, Marc

“…We present high-fidelity reacting simulations of a supersonic cavity flame-holder configuration. The focus of this work is on flame stabilization brought about…”
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An error-controlled adaptive time-stepping method for particle advancement in coupled CFD-DEM simulations by Sitaraman, Hariswaran, Vaidhynathan, Deepthi, Grout, Ray, Hauser, Thomas, Hrenya, Christine M., Musser, Jordan

“…Coupled Computational-Fluid-Dynamics (CFD) and Discrete-Element-Method (DEM) models provide an accurate description of multiphase physical systems where a…”
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A Bayesian approach to calibrating hydrogen flame kinetics using many experiments and parameters by Bell, John, Day, Marcus, Goodman, Jonathan, Grout, Ray, Morzfeld, Matthias

“…First-principles Markov Chain Monte Carlo sampling is used to investigate uncertainty quantification and uncertainty propagation in parameters describing…”
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Memory access optimization for particle operations in computational fluid dynamics-discrete element method simulations by Vaidhynathan, Deepthi, Sitaraman, Hariswaran, Grout, Ray, Hauser, Thomas, Hrenya, Christine M., Musser, Jordan

“…Computational Fluid Dynamics – Discrete Element Method is used to model gas-solid systems in several applications in energy, pharmaceutical and petrochemical…”
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Experimental and numerical investigation of the Advanced Fuel Ignition Delay Analyzer (AFIDA) constant-volume combustion chamber as a research platform for fuel chemical kinetic mechanism validation by Luecke, Jon, Rahimi, Mohammad J., Zigler, Bradley T., Grout, Ray W.

Get full text