Search Results - "Roy, Somesh P."

Modeling Thermal Radiation in Combustion Environments: Progress and Challenges by Mazumder, Sandip, Roy, Somesh P.

“…Modeling thermal radiation in combustion environments can be extremely challenging for two main reasons. First, the radiative transfer equation (RTE), which is…”
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A Systematic Comparison of Detailed Soot Models and Gas-Phase Chemical Mechanisms in Laminar Premixed Flames by Roy, Somesh P., Haworth, Daniel C.

“…This research is part of an ongoing assessment to identify the most promising soot models for applications to laboratory turbulent flames, and ultimately to…”
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Detailed modeling of a small-scale turbulent pool fire by Wu, Bifen, Roy, Somesh P., Zhao, Xinyu

“…Turbulent pool fires have been studied as a canonical configuration in fire science with wide interest. A numerical study of a small-scale turbulent heptane…”
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The coalescence of incipient soot clusters by Sharma, Akaash, Mukut, Khaled Mosharraf, Roy, Somesh P., Goudeli, Eirini

“…Reactive molecular dynamics (MD) simulations are employed to investigate the coalescence of incipient soot clusters. Initially, one thousand acetylene…”
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Internal Structure of Incipient Soot from Acetylene Pyrolysis Obtained via Molecular Dynamics Simulations by Mukut, Khaled Mosharraf, Ganguly, Anindya, Goudeli, Eirini, Kelesidis, Georgios A., Roy, Somesh P.

“…A series of reactive molecular dynamics simulations is used to study the internal structure of incipient soot particles obtained from acetylene pyrolysis. The…”
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Effect of multiphase radiation on coal combustion in a pulverized coal jet flame by Wu, Bifen, Roy, Somesh P., Zhao, Xinyu, Modest, Michael F.

“…The accurate modeling of coal combustion requires detailed radiative heat transfer models for both gaseous combustion products and solid coal particles. A…”
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Development of a multiphase photon Monte Carlo method for spray combustion and its application in high-pressure conditions by Roy, Somesh P., Cai, Jian, Modest, Michael F.

“…•A multiphase Monte Carlo radiation solver is developed for combustion simulations.•The solver can handle both Eulerian & Lagrangian descriptions of the…”
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A new line-by-line methodology based on the spectral contributions of the bands by Coelho, Felipe R., Ziemniczak, Aline, Roy, Somesh P., França, Francis H.R.

“…•A new methodology for the spectral integration of the RTE is presented, the SRI.•The SRI is based on the spectral contributions of the bands to increase…”
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Emphasizing Self-Regulation in Teaching: Reducing Disruption to Students' Learning during Unplanned Instructional Mode Transition by Roy, Somesh P., Young-Brice, Amber, Lassila, Jenna, Johnson, Brandon Kyle

“…In Spring 2020, engineering faculty transitioned to emergency remote instruction due to COVID-19. This mixed-methods study was done to understand the…”
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Impact of traffic on air pollution in a mid-sized urban city during COVID-19 lockdowns by Hay, Nathan, Onwuzurike, Otito, Roy, Somesh P., McNamara, Patrick, McNamara, Margaret L., McDonald, Walter

“…In this study, we evaluated the changes in air pollutant concentrations around Milwaukee, WI, during and after lockdown due to the COVID-19 pandemic for a…”
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Effect of O2 concentration in ambient mixture and multiphase radiation on pollutant formation in ECN spray-A by Mukut, Khaled Mosharraf, Roy, Somesh P.

“…This study investigates the formation and evolution of soot and NO X in a high-pressure constant-volume combustion chamber. This work focuses on the effect of…”
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Direct numerical simulations of non-premixed ethylene–air flames: Local flame extinction criterion by Lecoustre, Vivien R., Arias, Paul G., Roy, Somesh P., Luo, Zhaoyu, Haworth, Dan C., Im, Hong G., Lu, Tianfeng F., Trouvé, Arnaud

“…Direct Numerical Simulations (DNS) of ethylene/air diffusion flame extinctions in decaying two-dimensional turbulence were performed. A Damköhler-number-based…”
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Physical, chemical and morphological evolution of incipient soot obtained from molecular dynamics simulation of acetylene pyrolysis by Mukut, Khaled Mosharraf, Ganguly, Anindya, Goudeli, Eirini, Kelesidis, Georgios A., Roy, Somesh P.

“…Incipient soot particles obtained from a series of reactive molecular dynamics simulations were studied to understand the evolution of physical, chemical, and…”
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Comparison of spherical harmonics method and discrete ordinates method for radiative transfer in a turbulent jet flame by Ge, Wenjun, David, Chloe, Modest, Michael F., Sankaran, Ramanan, Roy, Somesh P.

“…•Radiation-coupled simulation of a turbulent jet is reported focusing on the performances of PN and DOM.•PN is tested up to the order of 7; DOM is tested up to…”
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Comparison of spherical harmonics method and discrete ordinates method for radiative transfer in a turbulent jet flame by Ge, Wenjun, David, Chloe, Modest, Michael F., Sankaran, Ramanan, Roy, Somesh P.

“…Here, in this study, we systematically compared the accuracy and computational cost of two popular solution methods for the radiative transfer equation (RTE):…”
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Development of high-order PN models for radiative heat transfer in special geometries and boundary conditions by Ge, Wenjun, Modest, Michael F., Roy, Somesh P.

“…The high-order spherical harmonics (PN) method for 2-D Cartesian domains is extracted from the 3-D formulation. The number of equations and intensity…”
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Effect of O 2 concentration in ambient mixture and multiphase radiation on pollutant formation in ECN spray-A by Mukut, Khaled Mosharraf, Roy, Somesh P.

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Development of high-order P models for radiative heat transfer in special geometries and boundary conditions by Ge, Wenjun, Modest, Michael F., Roy, Somesh P.

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Development of high-order P sub(N) models for radiative heat transfer in special geometries and boundary conditions by Ge, Wenjun, Modest, Michael F, Roy, Somesh P

“…The high-order spherical harmonics (P sub(N)) method for 2-D Cartesian domains is extracted from the 3-D formulation. The number of equations and intensity…”
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Physical, chemical and morphological evolution of incipient soot obtained from molecular dynamics simulation of acetylene pyrolysis by Mukut, Khaled Mosharraf, Ganguly, Anindya, Goudeli, Eirini, Kelesidis, Georgios A, Roy, Somesh P

“…Incipient soot particles obtained from a series of reactive molecular dynamics simulations were studied to understand the evolution of physical, chemical, and…”
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