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Proceedings Papers

Experimental Analysis and Material Characterization of Ultra High Temperature Composites

Anindya Ghoshal, Michael J. Walock, Andy Nieto, Muthuvel Murugan, Clara Hofmeister-Mock, Marc Pepi, Luis Bravo, Andrew Wright, Jian Luo
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A010, June 7–11, 2021
Paper No: GT2021-60384
DOI: https://doi.org/10.1115/GT2021-60384
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Topics: Composite materials, Experimental analysis, High temperature, Oxidation, Fracture toughness, Ablation (Vaporization technology), US Department of Defense, Zirconium, Army, Ball milling
Journal Articles

A Critical Review of Physical Models in High Temperature Multiphase Fluid Dynamics: Turbulent Transport and Particle-Wall Interactions

Nishan Jain, Alexandra Le Moine, Geoffroy Chaussonnet, Alison Flatau, Luis Bravo, Anindya Ghoshal, Michael J. Walock, Muthuvel Murugan, Prashant Khare
Journal: Applied Mechanics Reviews
Article Type: Review Articles
Appl. Mech. Rev. July 2021, 73(4): 040801.
Paper No: AMR-20-1075
DOI: https://doi.org/10.1115/1.4051503
Published Online: July 28, 2021
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Topics: Particulate matter, Drops, Flow (Dynamics)
Proceedings Papers

Investigation of Atomization Behaviors of Liquid Monopropellants in Pintle Injectors

Jacob Gamertsfelder, Prashant Khare, Luis Bravo
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A059, September 21–25, 2020
Paper No: GT2020-15047
DOI: https://doi.org/10.1115/GT2020-15047
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Topics: Ejectors, Fluids
Proceedings Papers

Towards Large Eddy Simulation of Rotating Turbomachinery for Variable Speed Gas Turbine Engine Operation

Nishan Jain, Luis Bravo, Dokyun Kim, Muthuvel Murugan, Anindya Ghoshal, Frank Ham, Alison Flatau
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A024, June 17–21, 2019
Paper No: GT2019-91592
DOI: https://doi.org/10.1115/GT2019-91592
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Topics: Gas turbines, Large eddy simulation, Turbomachinery, Design, Flow (Dynamics), Rotors, Engines, Simulation, Army, Combustion chambers
Proceedings Papers

Governing Parameters Influencing CMAS Adhesion and Infiltration Into Environmental/Thermal Barrier Coatings in Gas Turbine Engines

Anindya Ghoshal, Michael J. Walock, Muthuvel Murugan, Clara Mock, Luis Bravo, Marc Pepi, Andy Nieto, Andrew Wright, Jian Luo, Nishan Jain, Alison Flatau, Larry Fehrenbacher
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A016, June 17–21, 2019
Paper No: GT2019-92000
DOI: https://doi.org/10.1115/GT2019-92000
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Topics: Adhesion, Gas turbines, Thermal barrier coatings, Coating processes, Sands, Temperature, Aircraft, Army, Aviation, Boundary layers
Proceedings Papers

Computational Study of Unsteady Cavitating Flows and Erosion in a Fuel Nozzle

Javad Hosseinpour, Luis Bravo, Omid Samimi-Abianeh
Proc. ASME. ICEF2018, Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, V002T06A006, November 4–7, 2018
Paper No: ICEF2018-9553
DOI: https://doi.org/10.1115/ICEF2018-9553
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Topics: Erosion, Flow (Dynamics), Fuels, Nozzles, Cavitation, Computational fluid dynamics, Damage, Reynolds-averaged Navier–Stokes equations, Turbulence, Ejectors
Proceedings Papers

On Predictions of Fuel Effects on Lean Blow Off Limits in a Realistic Gas Turbine Combustor Using Finite Rate Chemistry

Joshua Piehl, Luis Bravo, Waldo Acosta, Gaurav Kumar, Scott Drennan, Omid Samimi-Abianeh
Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A049, June 11–15, 2018
Paper No: GT2018-77070
DOI: https://doi.org/10.1115/GT2018-77070
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Topics: Chemistry, Combustion chambers, Fuels, Gas turbines, Flames, Simulation, Aviation, Chemical processes, Chemical reactions, Combustion
Proceedings Papers

Microstructure Based Material-Sand Particulate Interactions and Assessment of Coatings for High Temperature Turbine Blades

Muthuvel Murugan, Anindya Ghoshal, Michael Walock, Andy Nieto, Luis Bravo, Blake Barnett, Marc Pepi, Jeffrey Swab, Robert Tyler Pegg, Chris Rowe, Dongming Zhu, Kevin Kerner
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT48A009, June 26–30, 2017
Paper No: GT2017-64051
DOI: https://doi.org/10.1115/GT2017-64051
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Topics: Coatings, High temperature, Particulate matter, Sands, Turbine blades, Gas turbines, Engines, Thermal barrier coatings, Aircraft, Nozzles
Journal Articles

Analytical Study of Articulating Turbine Rotor Blade Concept for Improved Off-Design Performance of Gas Turbine Engines

Muthuvel Murugan, Anindya Ghoshal, Fei Xu, Ming-Chen Hsu, Yuri Bazilevs, Luis Bravo, Kevin Kerner
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102601.
Paper No: GTP-17-1028
DOI: https://doi.org/10.1115/1.4036359
Published Online: May 2, 2017
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Topics: Blades, Computational fluid dynamics, Design, Flow (Dynamics), Gas turbines, Rotors, Stators, Turbines, Turbine blades
Proceedings Papers

Articulating Turbine Rotor Blade Concept for Improved Off-Design Performance of Gas Turbine Engines

Muthuvel Murugan, Anindya Ghoshal, Fei Xu, Ming-Chen Hsu, Yuri Bazilevs, Luis Bravo, Kevin Kerner
Proc. ASME. SMASIS2016, Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring, V001T04A004, September 28–30, 2016
Paper No: SMASIS2016-9045
DOI: https://doi.org/10.1115/SMASIS2016-9045
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Topics: Blades, Design, Gas turbines, Rotors, Turbines, Flow (Dynamics), Turbine blades, Geometry, Advanced materials, Army
Journal Articles

Large Eddy Simulation of High Reynolds Number Nonreacting and Reacting JP-8 Sprays in a Constant Pressure Flow Vessel With a Detailed Chemistry Approach

Luis Bravo, Sameera Wijeyakulasuriya, Eric Pomraning, Peter K. Senecal, Chol-Bum Kweon
Journal: Journal of Energy Resources Technology
Article Type: Research-Article
J. Energy Resour. Technol. May 2016, 138(3): 032207.
Paper No: JERT-16-1088
DOI: https://doi.org/10.1115/1.4032901
Published Online: March 24, 2016
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Topics: Sprays, Simulation, Chemistry, Nozzles, Pressure
Proceedings Papers

Large Eddy Simulation of High Reynolds Number Non-Reacting and Reacting JP8 Sprays With a Kerosene Surrogate and Detailed Chemistry

Luis Bravo, Sameera Wijeyakulasuriya, Eric Pomraning, P. K. Senecal, Chol Bum Kweon
Proc. ASME. ICEF2015, Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, V002T06A016, November 8–11, 2015
Paper No: ICEF2015-1114
DOI: https://doi.org/10.1115/ICEF2015-1114
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Topics: Chemistry, Large eddy simulation, Reynolds number, Sprays, Engineering simulation, Flow (Dynamics), Simulation, Turbulence, Army, Combustion
Proceedings Papers

Fuel Effects on Nozzle Flow and Spray Using Fully Coupled Eulerian Simulations

Luis Bravo, Qingluan Xue, Sibendu Som, Christopher Powell, Chol-Bum M. Kweon
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T03A012, June 28–July 2, 2015
Paper No: POWER2015-49554
DOI: https://doi.org/10.1115/POWER2015-49554
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Topics: Engineering simulation, Flow (Dynamics), Fuels, Nozzles, Simulation, Sprays, Dynamics (Mechanics), Density, Turbulence, X-rays