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Guillermo Paniagua
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Journal Articles

EFFECT OF GEOMETRY AND HEAT FLUX ON TURBINE OVER-TIP FLOW POWER EXTRACTION

Open Access
Accepted Manuscript
Lukas Benjamin Inhestern, Dieter Peitsch, Guillermo Paniagua
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1207
https://doi.org/10.1115/1.4068688
Published Online: May 15, 2025
View Articletitled, EFFECT OF GEOMETRY AND HEAT FLUX ON TURBINE OVER-TIP FLOW POWER EXTRACTION
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Topics: Cavities, Computational fluid dynamics, Film cooling, Flow (Dynamics), Geometry, Heat flux, Heat transfer, Leakage flows, Turbines, Turbochargers
Journal Articles

ANALYSIS ON THE EFFECT OF CAVITY FLOWS ON THE AEROTHERMAL PERFORMANCE OF A HIGH-PRESSURE TURBINE STAGE

Available to Purchase
Accepted Manuscript
Teodosio Nacci, Nicola Rosafio, Simone Salvadori, Daniela Misul, Guillermo Paniagua
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1370
https://doi.org/10.1115/1.4068656
Published Online: May 12, 2025
View Articletitled, ANALYSIS ON THE EFFECT OF CAVITY FLOWS ON THE AEROTHERMAL PERFORMANCE OF A HIGH-PRESSURE TURBINE STAGE
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Topics: Cavities, Cavity flows, Fluid dynamics, High pressure (Physics), Turbines, Turbochargers, Flow (Dynamics), Blades, Computational fluid dynamics, Engineering simulation
Journal Articles

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

Available to Purchase
Steffen Hammer, James Twaddle, Jens Fridh, Guillermo Paniagua
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2025, 147(8): 081014.
Paper No: TURBO-24-1118
https://doi.org/10.1115/1.4067459
Published Online: January 30, 2025
View Articletitled, Acoustic Modes in an Open Box Cavity With Variable Depth Using Two Distinct Wind Tunnels
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Topics: Cavities, Wind tunnels, Flow (Dynamics), Mach number, Acoustics, Pressure
Journal Articles

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

Open Access
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 Articletitled, 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: Cooling, Flow (Dynamics), Lasers, Pressure, Probes, Shock (Mechanics), Coolants, Shapes, High temperature, Shock waves
Journal Articles

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

Open Access
Antonio Castillo Sauca, Lakshya Bhatnagar, Lukas Benjamin Inhestern, Guillermo Paniagua Perez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071001.
Paper No: GTP-24-1567
https://doi.org/10.1115/1.4067019
Published Online: December 23, 2024
View Articletitled, Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud
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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Heat flux, Pressure, Signals, Turbines
Journal Articles

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

Open Access
Diego Sánchez de la Rosa, Guillermo Paniagua
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051006.
Paper No: TURBO-24-1262
https://doi.org/10.1115/1.4066964
Published Online: November 12, 2024
View Articletitled, Enhancing Total Temperature Measurement Accuracy: Calibration Procedures and Novel Two-Wire Probes
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Topics: Calibration, Errors, Heat conduction, Probes, Temperature, Thermocouples, Wire, Flow (Dynamics), Temperature measurement
Journal Articles

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

Available to Purchase
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 Articletitled, 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

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

Available to Purchase

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

Available to Purchase

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

Available to Purchase

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

Available to Purchase

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

Available to Purchase

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
Open the PDF for Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud in another window
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

Available to Purchase

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
Proceedings Papers

The Purdue High-Speed Small Core Turbine Facility

Available to Purchase

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

Available to Purchase

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

Available to Purchase

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
Proceedings Papers

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

Available to Purchase

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
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Topics: Flow (Dynamics), Geometry, Heat flux, Heat transfer, Leakage flows, Turbines, Design, Leakage, Turbulence, Vortices
Journal Articles

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

Available to Purchase
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 Articletitled, 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

Open Access
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 Articletitled, 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

Open Access
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 Articletitled, 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