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Upendra Singh Rohatgi
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Journal Articles

Ultrahigh-Temperature Continuous Reactors Based on Electrothermal Fluidized Bed Concept

Sergiy S. Fedorov, Upendra Singh Rohatgi, Igor V. Barsukov, Mykhailo V. Gubynskyi, Michelle G. Barsukov, Brian S. Wells, Mykola V. Livitan, Oleksiy G. Gogotsi
Journal: Journal of Fluids Engineering
Article Type: Technical Briefs
J. Fluids Eng. April 2016, 138(4): 044502.
Paper No: FE-14-1770
DOI: https://doi.org/10.1115/1.4031689
Published Online: December 8, 2015
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Topics: Fluidized beds, Graphite, Particulate matter, Temperature, Furnaces
Proceedings Papers

Modeling the Operation Regimes in Ultra-High Temperature Continuous Reactors

Sergey S. Fedorov, Mykhailo V. Gubynskyi, Igor V. Barsukov, Mykola V. Livitan, Oleksiy G. Gogotsi, Upendra Singh Rohatgi
Proc. ASME. FEDSM2014, Volume 1C, Symposia: Fundamental Issues and Perspectives in Fluid Mechanics; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Gas-Solid Flows: Dedicated to the Memory of Professor Clayton T. Crowe; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT18A012, August 3–7, 2014
Paper No: FEDSM2014-22161
DOI: https://doi.org/10.1115/FEDSM2014-22161
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Topics: Modeling, Temperature, Furnaces, Current density, Design, Heat, Electrodes, Fluidization, Fluidized beds, Graphite
Proceedings Papers

Numerical Procedure for Assessment of Centrifugal Pump Cavitation Erosion

Sergey F. Timushev, Vladimir A. Knyazev, Sergey S. Panaiotti, Vladimir A. Soldatov, Upendra Singh Rohatgi
Proc. ASME. IMECE2008, Volume 14: New Developments in Simulation Methods and Software for Engineering Applications, 73-78, October 31–November 6, 2008
Paper No: IMECE2008-67177
DOI: https://doi.org/10.1115/IMECE2008-67177
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Topics: Cavitation erosion, Centrifugal pumps, Bubbles, Impellers, Blades, Damage, Flow (Dynamics), Modeling, Pressure, Algorithms
Proceedings Papers

Evolution of a Cavitating Bubble in a Nonuniform Pressure Field

Vladimir A. Knyazev, Vladimir A. Soldatov, Upendra Singh Rohatgi
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 849-859, July 30–August 2, 2007
Paper No: FEDSM2007-37405
DOI: https://doi.org/10.1115/FEDSM2007-37405
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Topics: Bubbles, Cavitation erosion, Computer simulation, Damage, Design, Erosion, Flow (Dynamics), Modeling, Pressing, Pressure
Proceedings Papers

CFD Study of Prospective 1st Stage Centrifugal Impeller Design

Sergey S. Panaiotti, Upendra Singh Rohatgi, Sergey F. Timuchev, Vladimir A. Soldatov, Boris N. Chumachenko
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 861-866, July 30–August 2, 2007
Paper No: FEDSM2007-37406
DOI: https://doi.org/10.1115/FEDSM2007-37406
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Topics: Computational fluid dynamics, Design, Impellers, Flow (Dynamics), Geometry, Pressure, Blades, Cantilevers, Cascades (Fluid dynamics), Cavitation erosion