Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Rochan Upadhyay"'
3
Operating modes of a magnetized direct-current discharge in helium at pressures ∼10 Pa
Autor: Dmitry Levko, Laxminarayan L. Raja, Rochan Upadhyay
Publikováno v: Journal of Applied Physics. 129:183307
A high-pressure direct current magnetron discharge is analyzed using a self-consistent two-dimensional fluid model. This discharge has potential interest in plasma switching applications due to its ability to generate rather dense (plasma density of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43c8b2221b34db3396754494922dd261
https://doi.org/10.1063/5.0048142
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4
VizGrain: a new computational tool for particle simulations of reactive plasma discharges and rarefied flow physics
Autor: Kenta Suzuki, Victor Topalian, Anand Karpatne, Chandrasekhar Shukla, Laxminarayan L. Raja, Douglas Breden, Dmitry Levko, Rochan Upadhyay
Publikováno v: Plasma Sources Science and Technology. 30:055012
This paper presents recent progress on the development of the new multi-purpose particle modeling and simulation tool VizGrain. A unique aspect of VizGrain is that it allows computational modeling of particle dynamics in a variety of systems, includi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6b888e3de196db13d245a0478329370
https://doi.org/10.1088/1361-6595/abf47b
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6
Evaluation of the use of the Chebyshev algorithm with the quadrature method of moments for simulating aerosol dynamics
Autor: Rochan Upadhyay
Publikováno v: Journal of Aerosol Science. 44:11-23
The quadrature method of moments (QMOM) has been widely used for the simulation of the evolution of moments of the aerosol general dynamic equations. However, there are several shortcomings in a crucial component of the method, the product-difference
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ed86ef1b28d91cc43dfbbec5aa31804
https://doi.org/10.1016/j.jaerosci.2011.09.005
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7
Uncertainty quantification of a graphite nitridation experiment using a Bayesian approach
Autor: Jochen Marschall, Ofodike A. Ezekoye, Rochan Upadhyay, Kenji Miki
Publikováno v: Experimental Thermal and Fluid Science. 35:1588-1599
In this paper, a stochastic system based Bayesian approach is applied to estimate different model parameters and hence quantify the uncertainty of a graphite nitridation experiment. The Bayesian approach is robust due to its ability to characterize m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67e8f5d538683a7d259a922037e5a496
https://doi.org/10.1016/j.expthermflusci.2011.07.010
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8
Loose-Coupling Algorithm for Simulating Hypersonic Flows with Radiation and Ablation
Autor: Graham F. Carey, Roy H. Stogner, Karl Schulz, Andre Maurente, Paul T. Bauman, Rochan Upadhyay
Publikováno v: Journal of Spacecraft and Rockets. 48:72-80
Aprocedure has been developed to couple a hypersonic reacting flowmodel, a radiative heat transfermodel, and a surface ablation model to study the surface heat transfer and surface ablation rate of atmospheric reentry vehicles. The two-way loose-coup
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3d34d28aad928951118f9360d9f5353
https://doi.org/10.2514/1.50588
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9
An Architecture for an Integrated Fire Emergency Response System for the Built Environment
Autor: G. Beckett, Stephen Welch, Gavin J. Pringle, Liangxiu Han, Rochan Upadhyay, Asif Usmani, Stephen Potter, Jose L. Torero
Publikováno v: Fire Safety Science. 9:427-438
Peer-reviewed article published in the Proceedings of the 9th International Symposium on Fire Safety Science, Karlsruhe, 2008. FireGrid is a modern concept that aims to leverage a number of modern technologies to aid fire emergency response. In this
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::245d44de6f6bd9e81afa1d950ef49758
https://doi.org/10.3801/iafss.fss.9-427
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10
Treatment of size-dependent aerosol transport processes using quadrature based moment methods
Autor: Ofodike A. Ezekoye, Rochan Upadhyay
Publikováno v: Journal of Aerosol Science. 37:799-819
The use of moment methods for simulation of aerosol settling and diffusion phenomena in which the settling velocity and diffusion coefficient are functions of the size of the particles leads to difficult computational problems, especially if the mome
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da0f20798cdfd9d11643d30793685720
https://doi.org/10.1016/j.jaerosci.2005.06.002
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