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Guillermo Paniagua
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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
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Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Explosions, Flow (Dynamics), Hydrogen, Nozzle guide vanes, Pressure, Stators, Temperature
Proceedings Papers

Effect of Geometry and Heat Flux on Turbine Over-Tip Flow Power Extraction

Lukas Benjamin Inhestern, Dieter Peitsch, Guillermo Paniagua
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126598
https://doi.org/10.1115/GT2024-126598
View Paper titled, Effect of Geometry and Heat Flux on Turbine Over-Tip Flow Power Extraction
Open the PDF for Effect of Geometry and Heat Flux on Turbine Over-Tip Flow Power Extraction in another window
Topics: Flow (Dynamics), Geometry, Heat flux, Heat transfer, Leakage flows, Turbines, Design, Leakage, Turbulence, Vortices
Proceedings Papers

Analysis of NH3 Powered Turbofan Engine With sCO2 Waste Heat Recovery System

William Andress, Guillermo Paniagua, Ladislav Vesely, Marcel Otto, Jayanta Kapat
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A043, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126643
https://doi.org/10.1115/GT2024-126643
View Paper titled, Analysis of NH3 Powered Turbofan Engine With sCO2 Waste Heat Recovery System
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Topics: Engines, Heat recovery, Modeling, Turbofans
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
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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
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Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Explosions, Flow (Dynamics), Hydrogen, Integrated systems, Stators, Waves, Nozzle guide vanes
Proceedings Papers

Enhancing Total Temperature Measurement Accuracy: Calibration Procedures and Novel Two-Wire Probes

Diego Sánchez de la Rosa, Guillermo Paniagua
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A029, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126636
https://doi.org/10.1115/GT2024-126636
View Paper titled, Enhancing Total Temperature Measurement Accuracy: Calibration Procedures and Novel Two-Wire Probes
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Topics: Calibration, Errors, Flow (Dynamics), Heat conduction, Probes, Temperature measurement, Thermocouples, Thermography, Wire
Proceedings Papers

Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud

Antonio Castillo Sauca, Lakshya Bhatnagar, Lukas Benjamin Inhestern, Guillermo Paniagua
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124106
https://doi.org/10.1115/GT2024-124106
View Paper titled, Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud
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Topics: Clearances (Engineering), Heat flux, Pressure, Turbines
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
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Topics: Flow (Dynamics), High temperature, Lasers, Probes, Reynolds-averaged Navier–Stokes equations, Shock (Mechanics), Supersonic flow
Proceedings Papers

The Purdue High-Speed Small Core Turbine Facility

Lakshya Bhatnagar, Antonio Castillo Sauca, Diego Sanchez de la Rosa, Guillermo Paniagua, Eugene Clemens, Matthew Bloxham
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A051, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129316
https://doi.org/10.1115/GT2024-129316
View Paper titled, The Purdue High-Speed Small Core Turbine Facility
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Topics: Turbines, Uncertainty
Proceedings Papers

sCO2 Cycle Selection for Waste Heat Recovery From Aircraft Engine

Ladislav Vesely, William Andress, Guillermo Paniagua, Marcel Otto, Jayanta Kapat, Claire-Phonie Bury
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A050, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129456
https://doi.org/10.1115/GT2024-129456
View Paper titled, sCO2 Cycle Selection for Waste Heat Recovery From Aircraft Engine
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Topics: Aircraft engines, Cycles, Heat recovery, Waste heat, Engines, Fuels, Electricity (Physics), Flow (Dynamics), Heat, Thermodynamic power cycles
Proceedings Papers

Acoustic Modes in an Open Box Cavity With Variable Depth Using Two Distinct Wind Tunnels

Steffen Hammer, James Twaddle, Jens Fridh, Guillermo Paniagua
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129059
https://doi.org/10.1115/GT2024-129059
View Paper titled, Acoustic Modes in an Open Box Cavity With Variable Depth Using Two Distinct Wind Tunnels
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Topics: Acoustics, Cavities, Flow (Dynamics), Wind tunnels
Journal Articles

On the Development of High-Lift, High-Work Low-Pressure Turbines

John P. Clark, Guillermo Paniagua, Beni Cukurel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121011.
Paper No: TURBO-23-1298
https://doi.org/10.1115/1.4066004
Published Online: August 6, 2024
View Article titled, On the Development of High-Lift, High-Work Low-Pressure Turbines
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Topics: Airfoils, Blades, Cascades (Fluid dynamics), Design, Flow (Dynamics), Flow control, Pressure, Turbines, Reynolds number, Acoustics
Journal Articles

Design, Multi-Point Optimization, and Analysis of Diffusive Stator Vanes to Enable Turbine Integration Into Rotating Detonation Engines

Sergio Grasa, Guillermo Paniagua
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111002.
Paper No: TURBO-23-1351
https://doi.org/10.1115/1.4065424
Published Online: May 23, 2024
View Article titled, Design, Multi-Point Optimization, and Analysis of Diffusive Stator Vanes to Enable Turbine Integration Into Rotating Detonation Engines
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Topics: Design, Flow (Dynamics), Optimization, Pressure, Turbines, Mach number, Explosions
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
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Topics: Ejectors, Sprays
Journal Articles

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine

Antonio Castillo Sauca, 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): 061016.
Paper No: GTP-23-1462
https://doi.org/10.1115/1.4063886
Published Online: January 4, 2024
View Article titled, Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine
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Topics: Blades, Calibration, Capacitance, Clearances (Engineering), Probes, Signals, Heat flux, Turbines, Pressure
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
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Topics: Blades, Design, Optimization, Supercritical carbon dioxide, Flow (Dynamics), Testing, Pressure, High pressure (Physics)
Journal Articles

A Probabilistic Approach to Turbine Uncertainty

Lakshya Bhatnagar, Guillermo Paniagua, Eugene Clemens, Matthew Bloxham
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041009.
Paper No: TURBO-23-1215
https://doi.org/10.1115/1.4064187
Published Online: December 21, 2023
View Article titled, A Probabilistic Approach to Turbine Uncertainty
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Topics: Turbines, Uncertainty
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
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Topics: Blades, Design, High pressure (Physics), Optimization, Supercritical carbon dioxide, Testing, Thermodynamic power cycles, Turbines
Proceedings Papers

Development of a 300 MWe Utility Scale Oxy-Fuel sCO 2 Turbine

J. Jeffrey Moore, Josh Neveu, Jason Bensmiller, Cole Replogle, Jianliang Lin, Jeremy Fetvedt, Ian Cormier, Jayanta Kapat, Erik Fernandez, Guillermo Paniagua
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103328
https://doi.org/10.1115/GT2023-103328
View Paper titled, Development of a 300 MWe Utility Scale Oxy-Fuel sCO 2 Turbine
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Topics: Cycles, Fuels, Turbines
Proceedings Papers

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration & Demonstration in a Two-Stage High-Speed Turbine

Antonio Castillo Sauca, Guillermo Paniagua Perez
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101223
https://doi.org/10.1115/GT2023-101223
View Paper titled, Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration & Demonstration in a Two-Stage High-Speed Turbine
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Topics: Calibration, Capacitance, Clearances (Engineering), Heat flux, Pressure, Sensors, Turbines