1-20 of 23
James Braun
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance

Ignacio Lasala, Aubrey McKelvy, James Braun, Guillermo Paniagua, Etienne Choquet, Thierry Andre, Francois Falempin
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081007.
Paper No: TURBO-24-1297
https://doi.org/10.1115/1.4067379
Published Online: January 13, 2025
View Article titled, Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance
Open the PDF for Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance in another window
Topics: Cooling, Flow (Dynamics), Lasers, Pressure, Probes, Shock (Mechanics), Coolants, Shapes, High temperature, Shock waves
Journal Articles

Large-Eddy Simulation Study of Flow and Combustion Dynamics in a Full-Scale Hydrogen–Air Rotating Detonation Combustor-Stator Integrated System

Pinaki Pal, James Braun, Yiqing Wang, Venkat Athmanathan, Guillermo Paniagua, Terrence R. Meyer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031002.
Paper No: GTP-24-1423
https://doi.org/10.1115/1.4066365
Published Online: October 3, 2024
View Article titled, Large-Eddy Simulation Study of Flow and Combustion Dynamics in a Full-Scale Hydrogen–Air Rotating Detonation Combustor-Stator Integrated System
Open the PDF for Large-Eddy Simulation Study of Flow and Combustion Dynamics in a Full-Scale Hydrogen–Air Rotating Detonation Combustor-Stator Integrated System in another window
Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Explosions, Flow (Dynamics), Hydrogen, Nozzle guide vanes, Pressure, Stators, Temperature
Proceedings Papers

A Modal Analysis of Spray Structures From a Transversely Injected Liquid Jet in Subsonic and Supersonic Crossflows

Aubrey J. McKelvy, James Braun, Guillermo Paniagua, Etienne Choquet, Thierry Andre, Francois Falempin
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A049, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125052
https://doi.org/10.1115/GT2024-125052
View Paper titled, A Modal Analysis of Spray Structures From a Transversely Injected Liquid Jet in Subsonic and Supersonic Crossflows
Open the PDF for A Modal Analysis of Spray Structures From a Transversely Injected Liquid Jet in Subsonic and Supersonic Crossflows in another window
Topics: Modal analysis, Sprays, Supersonic flow
Proceedings Papers

Numerical Study of Flow and Combustion Dynamics in a Hydrogen-Air Rotating Detonation Combustor-Stator Integrated System

Pinaki Pal, James Braun, Yiqing Wang, Venkat Athmanathan, Guillermo Paniagua, Terrence R. Meyer
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A059, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129058
https://doi.org/10.1115/GT2024-129058
View Paper titled, Numerical Study of Flow and Combustion Dynamics in a Hydrogen-Air Rotating Detonation Combustor-Stator Integrated System
Open the PDF for Numerical Study of Flow and Combustion Dynamics in a Hydrogen-Air Rotating Detonation Combustor-Stator Integrated System in another window
Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Explosions, Flow (Dynamics), Hydrogen, Integrated systems, Stators, Waves, Nozzle guide vanes
Proceedings Papers

Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance

Ignacio Lasala, Aubrey McKelvy, James Braun, Guillermo Paniagua, Etienne Choquet, Thierry André, Francois Falempin
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A049, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129207
https://doi.org/10.1115/GT2024-129207
View Paper titled, Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance
Open the PDF for Numerical Assessment of an Aerodynamic Probe to Enable Short Focal Length Laser Diagnostics in High Temperature Supersonic Flows Based on Flow Disturbance in another window
Topics: Flow (Dynamics), High temperature, Lasers, Probes, Reynolds-averaged Navier–Stokes equations, Shock (Mechanics), Supersonic flow
Journal Articles

Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow

Aubrey J. McKelvy, James Braun, Guillermo Paniagua, Thierry Andre, Etienne Choquet, Francois Falempin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061014.
Paper No: GTP-23-1458
https://doi.org/10.1115/1.4063887
Published Online: January 4, 2024
View Article titled, Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow
Open the PDF for Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow in another window
Topics: Ejectors, Sprays
Journal Articles

Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing

Logan Tuite, James Braun, Guillermo Paniagua
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061017.
Paper No: GTP-23-1463
https://doi.org/10.1115/1.4063956
Published Online: January 4, 2024
View Article titled, Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing
Open the PDF for Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing in another window
Topics: Blades, Design, Optimization, Supercritical carbon dioxide, Flow (Dynamics), Testing, Pressure, High pressure (Physics)
eBook Chapter

Effect of Chromium Content on the On-Cooling Phase Transformations and Induced Prior-β Zr Mechanical Hardening and Failure Mode (in Relation to Enhanced Accident-Tolerant Fuel Chromium-Coated Zirconium-Based Cladding Behavior upon and after High-Temperature Transients)

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2023
https://doi.org/10.1520/STP164520220028
ISBN: 978-0-8031-7737-6
Open the PDF for Effect of Chromium Content on the On-Cooling Phase Transformations and Induced Prior-β Zr Mechanical Hardening and Failure Mode (in Relation to Enhanced Accident-Tolerant Fuel Chromium-Coated Zirconium-Based Cladding Behavior upon and after High-Temperature Transients) in another window
Topics: Accidents, Cladding systems (Building), Cooling, Failure mechanisms, Fuels, Hardening, High temperature, Phase transitions, Transients (Dynamics), Zirconium
Proceedings Papers

Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow

Aubrey J. McKelvy, James Braun, Guillermo Paniagua, Thierry Andre, Etienne Choquet, Francois Falempin
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102536
https://doi.org/10.1115/GT2023-102536
View Paper titled, Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow
Open the PDF for Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow in another window
Topics: Electromagnetic scattering, Jets, Sprays
Proceedings Papers

Optimization of an HPT Blade and Sector-Based Annular Rig Design for Supercritical CO2 Power Cycle Representative Testing

Logan Tuite, James Braun, Guillermo Paniagua
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101722
https://doi.org/10.1115/GT2023-101722
View Paper titled, Optimization of an HPT Blade and Sector-Based Annular Rig Design for Supercritical CO2 Power Cycle Representative Testing
Open the PDF for Optimization of an HPT Blade and Sector-Based Annular Rig Design for Supercritical CO2 Power Cycle Representative Testing in another window
Topics: Blades, Design, High pressure (Physics), Optimization, Supercritical carbon dioxide, Testing, Thermodynamic power cycles, Turbines
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2022, 144(5): 051005.
Paper No: TURBO-21-1156
https://doi.org/10.1115/1.4052739
Published Online: January 13, 2022
View Article titled, Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing
Open the PDF for Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing in another window
Topics: Pressure, Lasers, Paints, Calibration
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59886
https://doi.org/10.1115/GT2021-59886
View Paper titled, Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing
Open the PDF for Development of a Lifetime Pressure Sensitive Paint Procedure for High-Pressure Vane Testing in another window
Topics: High pressure (Physics), Paints, Pressure, Testing, Lasers, Turbines, Calibration, Flow (Dynamics), Uncertainty, Wind
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59111
https://doi.org/10.1115/GT2021-59111
View Paper titled, Aero-Thermal Characterization of Accelerating and Diffusing Passages Downstream of Rotating Detonation Combustors
Open the PDF for Aero-Thermal Characterization of Accelerating and Diffusing Passages Downstream of Rotating Detonation Combustors in another window
Topics: Combustion chambers, Engines, Explosions
Journal Articles

Aerothermal Optimization of Bladeless Turbines

James Braun, Guillermo Paniagua, Francois Falempin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031023.
Paper No: GTP-20-1497
https://doi.org/10.1115/1.4049355
Published Online: March 1, 2021
View Article titled, Aerothermal Optimization of Bladeless Turbines
Open the PDF for Aerothermal Optimization of Bladeless Turbines in another window
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15551
https://doi.org/10.1115/GT2020-15551
View Paper titled, Aero-Thermal Optimization of Bladeless Turbines
Open the PDF for Aero-Thermal Optimization of Bladeless Turbines in another window
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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041024.
Paper No: GTP-19-1583
https://doi.org/10.1115/1.4045359
Published Online: February 14, 2020
View Article titled, Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows
Open the PDF for Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows in another window
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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031023.
Paper No: GTP-19-1453
https://doi.org/10.1115/1.4044972
Published Online: February 10, 2020
View Article titled, Design, Optimization, and Analysis of Supersonic Radial Turbines
Open the PDF for Design, Optimization, and Analysis of Supersonic Radial Turbines in another window
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91756
https://doi.org/10.1115/GT2019-91756
View Paper titled, Design, Optimization and Analysis of Supersonic Radial Turbines
Open the PDF for Design, Optimization and Analysis of Supersonic Radial Turbines in another window
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91460
https://doi.org/10.1115/GT2019-91460
View Paper titled, Unsteady Heat Transfer Assessment of Supersonic Turbines Downstream of a Rotating Detonation Combustor
Open the PDF for Unsteady Heat Transfer Assessment of Supersonic Turbines Downstream of a Rotating Detonation Combustor in another window
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91047
https://doi.org/10.1115/GT2019-91047
View Paper titled, Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows
Open the PDF for Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows in another window
Topics: Design, Supersonic flow, Turbines, Flow (Dynamics), Engineering simulation, Experimental characterization, Inflow, Maintenance, Matlab, Reynolds-averaged Navier–Stokes equations