Search Results - "Urzay, Javier"

Supersonic Combustion in Air-Breathing Propulsion Systems for Hypersonic Flight by Urzay, Javier

“…Great efforts have been dedicated during the last decades to the research and development of hypersonic aircrafts that can fly at several times the speed of…”
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Transcritical diffuse-interface hydrodynamics of propellants in high-pressure combustors of chemical propulsion systems by Jofre, Lluís, Urzay, Javier

“…Rocket engines and high-power new generations of gas-turbine jet engines and diesel engines oftentimes involve the injection of one or more reactants at…”
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HTR solver: An open-source exascale-oriented task-based multi-GPU high-order code for hypersonic aerothermodynamics by Di Renzo, Mario, Fu, Lin, Urzay, Javier

“…In this study, the open-source Hypersonics Task-based Research (HTR) solver for hypersonic aerothermodynamics is described. The physical formulation of the…”
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Transcritical diffuse-interface hydrodynamics of propellants in high-pressure combustors of chemical propulsion systems by Jofre, Lluís, Urzay, Javier

“…Rocket engines and high-power new generations of gas-turbine jet engines and diesel engines oftentimes involve the injection of one or more reactants at…”
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Navier-Stokes characteristic boundary conditions for high-enthalpy compressible flows in thermochemical non-equilibrium by Williams, Christopher, Di Renzo, Mario, Urzay, Javier, Moin, Parviz

“…This fundamental study presents Navier-Stokes characteristic boundary conditions (NSCBCs) for high-enthalpy hypersonic flows in thermochemical non-equilibrium…”
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The breakdown of self-similarity in electrified counterflow diffusion flames by Di Renzo, Mario, Pascazio, Giuseppe, Urzay, Javier

“…This work addresses the question of the validity of self-similar formulations in describing the structures of methane/air laminar counterflow diffusion flames…”
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HTR solver: An open-source exascale-oriented task-based multi-GPU high-order code for hypersonic aerothermodynamics by Di Renzo, Mario, Fu, Lin, Urzay, Javier

“…In this study, the open-source Hypersonics Task-based Research (HTR) solver for hypersonic aerothermodynamics is described. The physical formulation of the…”
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The breakdown of self-similarity in electrified counterflow diffusion flames by Di Renzo, Mario, Pascazio, Giuseppe, Urzay, Javier

“…Not provided…”
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Laser-induced indirect ignition of non-premixed turbulent shear layers by Wang, Jonathan M., Di Renzo, Mario, Iaccarino, Gianluca, Wang, Hai, Urzay, Javier

“…This study uses direct numerical simulations to investigate the forced ignition of temporally-evolving turbulent subsonic shear layers separating a gaseous…”
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The role of separation of scales in the description of spray combustion by Sánchez, Antonio L., Urzay, Javier, Liñán, Amable

“…The present paper deals with the description of the interacting multiscale processes governing spray vaporization and combustion downstream from the…”
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The cross-scale physical-space transfer of kinetic energy in turbulent premixed flames by O'Brien, Jeffrey, Towery, Colin A.Z., Hamlington, Peter E., Ihme, Matthias, Poludnenko, Alexei Y., Urzay, Javier

“…Multi-scale interactions and kinetic-energy transfer between turbulence and flames are fundamental to understanding and modeling premixed turbulent reacting…”
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A dynamic spectrally enriched subgrid-scale model for preferential concentration in particle-laden turbulence by Bassenne, Maxime, Esmaily, Mahdi, Livescu, Daniel, Moin, Parviz, Urzay, Javier

“…•A new subgrid-scale model for turbulent velocity fluctuations is proposed.•The model provides flow scales smaller than the original grid resolution, is…”
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The effects of incident electric fields on counterflow diffusion flames by Di Renzo, Mario, Urzay, Javier, De Palma, Pietro, de Tullio, Marco D., Pascazio, Giuseppe

“…Numerical simulations of counterflow laminar diffusion flames impinged by sub-breakdown DC electric fields are performed in this work using multi-component…”
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Uncertainty-quantification analysis of the effects of residual impurities on hydrogen–oxygen ignition in shock tubes by Urzay, Javier, Kseib, Nicolas, Davidson, David F., Iaccarino, Gianluca, Hanson, Ronald K.

“…This study addresses the influences of residual radical impurities on the computation and experimental determination of ignition times in H2/O2 mixtures…”
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Turbulence-induced resonance vibrations cause pollen release in wind-pollinated Plantago lanceolata L. (Plantaginaceae) by Timerman, David, Greene, David F., Urzay, Javier, Ackerman, Josef D.

“…In wind pollination, the release of pollen from anthers into airflows determines the quantity and timing of pollen available for pollination. Despite the…”
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The effects of incident electric fields on counterflow diffusion flames by Di Renzo, Mario, Urzay, Javier, De Palma, Pietro, de Tullio, Marco D., Pascazio, Giuseppe

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Regimes of Spray Vaporization and Combustion in Counterflow Configurations by Liñán, Amable, Martínez-Ruiz, Daniel, Sánchez, Antonio L., Urzay, Javier

“…This article addresses the problem of spray vaporization and combustion in axisymmetric opposed-jet configurations involving a stream of hot air counterflowing…”
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Probing the Mechanical Coupling of the Cell Membrane to the Nucleus with Vertical Nanopillar Arrays by Hanson, Lindsey, Urzay, Javier, Lin, Ziliang, Zhao, Wenting, Prakash, Manu, Cui, Bianxiao

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Theory of the propagation dynamics of spiral edges of diffusion flames in von Kármán swirling flows by Urzay, Javier, Nayagam, Vedha, Williams, Forman A.

“…This analysis addresses the propagation of spiral edge flames found in von Kármán swirling flows induced in rotating porous-disk burners. In this…”
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Diffusion-flame extinction on a rotating porous-disk burner by Urzay, Javier, Nayagam, Vedha, Williams, Forman A.

“…Flames advected by swirling flows are subject to large strain rates that may cause local extinction. In this investigation, a porous-disk burner is spun at a…”
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