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Journal Articles

Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing

Papa Aye N. Aye-Addo, Guillermo Paniagua, David G. Cuadrado, Lakshya Bhatnagar, Antonio Castillo Sauca, James Braun, Mateo Gomez, Terrence Meyer, Matthew Bloxham
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051005.
Paper No: TURBO-21-1156
DOI: https://doi.org/10.1115/1.4052739
Published Online: January 13, 2022
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Topics: Pressure, Lasers, Paints, Calibration
Proceedings Papers

Aero-Thermal Characterization of Accelerating and Diffusing Passages Downstream of Rotating Detonation Combustors

James Braun, Guillermo Paniagua, Donald Ferguson
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A005, June 7–11, 2021
Paper No: GT2021-59111
DOI: https://doi.org/10.1115/GT2021-59111
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Topics: Combustion chambers, Engines, Explosions
Proceedings Papers

Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing

Papa Aye N. Aye-Addo, Guillermo Paniagua, David G. Cuadrado, Lakshya Bhatnagar, Antonio Castillo Sauca, James Braun, Mateo Gomez-Gomez, Terrence Meyer, Matthew Bloxham
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A014, June 7–11, 2021
Paper No: GT2021-59886
DOI: https://doi.org/10.1115/GT2021-59886
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Topics: High pressure (Physics), Paints, Pressure, Testing, Lasers, Turbines, Calibration, Flow (Dynamics), Uncertainty, Wind
Journal Articles

Aerothermal Optimization of Bladeless Turbines

James Braun, Guillermo Paniagua, Francois Falempin
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031023.
Paper No: GTP-20-1497
DOI: https://doi.org/10.1115/1.4049355
Published Online: March 1, 2021
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Topics: Flow (Dynamics), Heat flux, Optimization, Pressure, Skin friction (Fluid dynamics), Turbines, Geometry, Design
Proceedings Papers

Aero-Thermal Optimization of Bladeless Turbines

James Braun, Guillermo Paniagua, Francois Falempin
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A024, September 21–25, 2020
Paper No: GT2020-15551
DOI: https://doi.org/10.1115/GT2020-15551
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Topics: Optimization, Turbines, Pressure, Geometry, Heat, Heat flux, Turbulence, Blades, Flux (Metallurgy), Mesh generation
Journal Articles

Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows

James Braun, Guillermo Paniagua, Francois Falempin, Bruno Le Naour
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041024.
Paper No: GTP-19-1583
DOI: https://doi.org/10.1115/1.4045359
Published Online: February 14, 2020
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Topics: Pressure, Turbines, Flow (Dynamics), Design, Torque
Journal Articles

Design, Optimization, and Analysis of Supersonic Radial Turbines

Lukas Benjamin Inhestern, James Braun, Guillermo Paniagua, José Ramón Serrano Cruz
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031023.
Paper No: GTP-19-1453
DOI: https://doi.org/10.1115/1.4044972
Published Online: February 10, 2020
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Topics: Blades, Design, Flow (Dynamics), Geometry, Inflow, Optimization, Pressure, Turbines, Mach number, Shock (Mechanics)
Proceedings Papers

Design, Optimization and Analysis of Supersonic Radial Turbines

Lukas Benjamin Inhestern, James Braun, Guillermo Paniagua, José Ramón Serrano Cruz
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A026, June 17–21, 2019
Paper No: GT2019-91756
DOI: https://doi.org/10.1115/GT2019-91756
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Topics: Design, Optimization, Turbines, Flow (Dynamics), Geometry, Reynolds-averaged Navier–Stokes equations, Simulation, Airfoils, Architecture, Blades
Proceedings Papers

Unsteady Heat Transfer Assessment of Supersonic Turbines Downstream of a Rotating Detonation Combustor

Zhe Liu, Lukas Benjamin Inhestern, James Braun, Guillermo Paniagua
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A019, June 17–21, 2019
Paper No: GT2019-91460
DOI: https://doi.org/10.1115/GT2019-91460
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Topics: Combustion chambers, Explosions, Heat transfer, Turbines, Convection, Engineering simulation, Fluctuations (Physics), Heat flux, Simulation, Boundary-value problems
Proceedings Papers

Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows

James Braun, Guillermo Paniagua, Francois Falempin, Bruno Le Naour
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A008, June 17–21, 2019
Paper No: GT2019-91047
DOI: https://doi.org/10.1115/GT2019-91047
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Topics: Design, Supersonic flow, Turbines, Flow (Dynamics), Engineering simulation, Experimental characterization, Inflow, Maintenance, Matlab, Reynolds-averaged Navier–Stokes equations
Journal Articles

Aerothermal Optimization of Fully Cooled Turbine Blade Tips

Valeria Andreoli, James Braun, Guillermo Paniagua, Cis De Maesschalck, Matthew Bloxham, William Cummings, Lawrence Langford
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2019, 141(6): 061007.
Paper No: TURBO-18-1299
DOI: https://doi.org/10.1115/1.4041961
Published Online: January 21, 2019
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Topics: Blades, Flow (Dynamics), Geometry, Heat flux, Optimization, Pressure, Rotors, Turbines, Cooling, Coolants
Proceedings Papers

Characterization of a Supersonic Turbine Downstream of a Rotating Detonation Combustor

Zhe Liu, James Braun, Guillermo Paniagua
Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A021, June 11–15, 2018
Paper No: GT2018-76798
DOI: https://doi.org/10.1115/GT2018-76798
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Topics: Combustion chambers, Explosions, Turbines, Pressure, Flow (Dynamics), Fluctuations (Physics), Nozzles, Simulation, Shock (Mechanics), Stators
Proceedings Papers

Development of High Frequency Virtual Thermocouples

James Braun, Shengqi Lu, Guillermo Paniagua
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A026, June 26–30, 2017
Paper No: GT2017-64669
DOI: https://doi.org/10.1115/GT2017-64669
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Topics: Thermocouples, Wire, Junctions, Frequency response, Probes, Temperature, Transients (Dynamics), Diluents, Engineering simulation, Flow (Dynamics)