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Proceedings Papers

The Impact of Multi-Scale Ceramic Matrix Composite Roughness on Heat Transfer and Boundary Layer Behavior

Peter H. Wilkins, Stephen P. Lynch, Karen A. Thole
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A004, June 26–30, 2023
Paper No: GT2023-102031
https://doi.org/10.1115/GT2023-102031
View Paper titled, The Impact of Multi-Scale Ceramic Matrix Composite Roughness on Heat Transfer and Boundary Layer Behavior
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Topics: Boundary layers, Ceramic matrix composites, Heat transfer, Surface roughness, Turbines, Convection, Satin, Twill, Cycles, Density
Proceedings Papers

Experimental Evaluation of Phi-Scaling Validity for Local Temperature Predictions of Turbine Components Under Real Engine Conditions

Thomas Wimmer, York Mick
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A007, June 26–30, 2023
Paper No: GT2023-102200
https://doi.org/10.1115/GT2023-102200
View Paper titled, Experimental Evaluation of Phi-Scaling Validity for Local Temperature Predictions of Turbine Components Under Real Engine Conditions
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Topics: Engines, Temperature, Turbine components, Metals, Uncertainty, Gas turbines, Sensors, Signals, Steady state, Testing
Proceedings Papers

Influence of Air/Hydrogen Momentum Ratio, Equivalence Ratio and Dilution Hole Geometry on the Performance of a Micromix Combustor for a 100 kWe mGT

Cedric Devriese, Sander Derks, Jasper Kole, Yarne Schlösser, Ward De Paepe, Rob Bastiaans
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A009, June 26–30, 2023
Paper No: GT2023-102592
https://doi.org/10.1115/GT2023-102592
View Paper titled, Influence of Air/Hydrogen Momentum Ratio, Equivalence Ratio and Dilution Hole Geometry on the Performance of a Micromix Combustor for a 100 kWe mGT
Open the PDF for Influence of Air/Hydrogen Momentum Ratio, Equivalence Ratio and Dilution Hole Geometry on the Performance of a Micromix Combustor for a 100 kWe mGT in another window
Topics: Combustion chambers, Geometry, Hydrogen, Momentum, Design, Optimization, Nitrogen oxides, Flow (Dynamics), Temperature, Computational fluid dynamics
Proceedings Papers

Reduced-Order Model of Aero-Thermal-Mechanical Interactions in Ultra High-Speed Micro Gas Turbines

Aniwat Tiralap, Choon S. Tan
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A005, June 26–30, 2023
Paper No: GT2023-101838
https://doi.org/10.1115/GT2023-101838
View Paper titled, Reduced-Order Model of Aero-Thermal-Mechanical Interactions in Ultra High-Speed Micro Gas Turbines
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Topics: Micro gas turbines, Engines, Bearings, Clearances (Engineering), Thermal expansion, Cooling, Design, Flow (Dynamics), Computation, Deformation
Proceedings Papers

Operational Strategies of 2-Spool Micro Gas Turbine With Alternative Fuels: A Performance Assessment

Aggelos Gaitanis, Ravi Nath Tiwari, Ward De Paepe, Mario Luigi Ferrari, Francesco Contino, Peter Breuhaus
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A019, June 26–30, 2023
Paper No: GT2023-102667
https://doi.org/10.1115/GT2023-102667
View Paper titled, Operational Strategies of 2-Spool Micro Gas Turbine With Alternative Fuels: A Performance Assessment
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Topics: Fuels, Hydrogen, Micro gas turbines, Stress, Syngas, Compressors, Combined heat and power, Electrical efficiency, Nitrogen, Heat
Proceedings Papers

Partially Cracked Ammonia for Micro-Gas Turbine Application

Daria Bellotti, Chiara Anfosso, Loredana Magistri, Aristide Fausto Massardo
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A032, June 26–30, 2023
Paper No: GT2023-105386
https://doi.org/10.1115/GT2023-105386
View Paper titled, Partially Cracked Ammonia for Micro-Gas Turbine Application
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Topics: Carbon dioxide, Fuels, Hydrogen, Turbines, Emissions, Energy generation, Temperature, Carbon, Climate change, Cracking (Materials)
Proceedings Papers

Performance Characterization of a Small-Scale Pumped Thermal Energy Storage System

Natalie R. Smith, Joshua Just, Jeremy Johnson, Fernando Karg-Bulnes
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A012, June 26–30, 2023
Paper No: GT2023-104232
https://doi.org/10.1115/GT2023-104232
View Paper titled, Performance Characterization of a Small-Scale Pumped Thermal Energy Storage System
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Topics: Energy storage, Heat, Performance characterization, Thermal energy storage, Steady state, Transients (Dynamics), Cycles, Heat engines, Heat exchangers, Heat losses
Proceedings Papers

Development of a Custom Mesh Generation Tool for Low Solidity Axial Flow Fans

Gideon A. Stephan, Sybrand J. Van der Spuy, Chris Meyer
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A005, June 26–30, 2023
Paper No: GT2023-102862
https://doi.org/10.1115/GT2023-102862
View Paper titled, Development of a Custom Mesh Generation Tool for Low Solidity Axial Flow Fans
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Topics: Axial flow, Fans, Mesh generation, Airfoils, Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Splines
Proceedings Papers

Comparison Between Gradient-Free and Gradient-Based Optimizations of the SRV2 Radial Compressor

Arnaud Châtel, Tom Verstraete
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A012, June 26–30, 2023
Paper No: GT2023-102387
https://doi.org/10.1115/GT2023-102387
View Paper titled, Comparison Between Gradient-Free and Gradient-Based Optimizations of the SRV2 Radial Compressor
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Topics: Compressors, Optimization, Design, Computational fluid dynamics, Fluids, Geometry, Impellers, Optimization algorithms, Reynolds-averaged Navier–Stokes equations, Steady state
Proceedings Papers

Corrosion of Rare-Earth Disilicate Environmental Barrier Coatings in Gas Turbine Environments—Part 1: Steady CFD Model

Chong M. Cha, Robert A. Golden
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T02A009, June 26–30, 2023
Paper No: GT2023-103720
https://doi.org/10.1115/GT2023-103720
View Paper titled, Corrosion of Rare-Earth Disilicate Environmental Barrier Coatings in Gas Turbine Environments—Part 1: Steady CFD Model
Open the PDF for Corrosion of Rare-Earth Disilicate Environmental Barrier Coatings in Gas Turbine Environments—Part 1: Steady CFD Model in another window
Topics: Coatings, Computational fluid dynamics, Corrosion, Gas turbines, Chemical reactions, Furnaces, High temperature steam, Mach number, Oxidation, Pressure
Proceedings Papers

Dynamic Modeling and Degradation Study of a Hybrid Electric Power System for Urban Air Mobility

Teresa Donateo, Antonio Ficarella, Ludovica Spada Chiodo
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A015, June 26–30, 2023
Paper No: GT2023-101597
https://doi.org/10.1115/GT2023-101597
View Paper titled, Dynamic Modeling and Degradation Study of a Hybrid Electric Power System for Urban Air Mobility
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Topics: Dynamic modeling, Power systems (Machinery), Rotorcraft, Urban air mobility, Dynamic response, Engines, Rotors, Aircraft, Algorithms, Batteries
Proceedings Papers

Flow Control of Turbine Vane Aerodynamics for Gas Turbine Operability

Priyank A. Dhyani, Gustaaf B. Jacobs, Dan Burnes, Tyson Ferguson
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A010, June 26–30, 2023
Paper No: GT2023-102015
https://doi.org/10.1115/GT2023-102015
View Paper titled, Flow Control of Turbine Vane Aerodynamics for Gas Turbine Operability
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Topics: Aerodynamics, Flow control, Gas turbines, Turbines, Flow (Dynamics), Nozzles, Jets, Chords (Trusses), Ejectors, Engines
Proceedings Papers

Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions

Carlos Tavera Guerrero, Nenad Glodic, Pieter Groth
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A013, June 13–17, 2022
Paper No: GT2022-81346
https://doi.org/10.1115/GT2022-81346
View Paper titled, Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions
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Topics: Aerodynamics, Cascades (Fluid dynamics), Steady state, Flow (Dynamics), Turbulence, Separation (Technology), Airfoils, Blades, Bubbles, Compressors
Proceedings Papers

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A016, June 13–17, 2022
Paper No: GT2022-81748
https://doi.org/10.1115/GT2022-81748
View Paper titled, Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design
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Topics: Blades, Design, Momentum, Clearances (Engineering), Stability, Computer simulation, Compressors, Computation, Engineering simulation, Leakage flows
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Paper No: GT2022-81890
https://doi.org/10.1115/GT2022-81890
View Paper titled, Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows

Pascal Post, Benjamin Winhart, Francesca di Mare
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A011, June 13–17, 2022
Paper No: GT2022-80960
https://doi.org/10.1115/GT2022-80960
View Paper titled, Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows
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Topics: Artificial neural networks, Internal flow, Physics, Cascades (Fluid dynamics), Computational fluid dynamics, Pressure, Blades, Boundary-value problems, Dimensions, Flow (Dynamics)
Proceedings Papers

Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver

Ryno Laubscher, Pieter Rousseau, Chris Meyer
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A020, June 13–17, 2022
Paper No: GT2022-81768
https://doi.org/10.1115/GT2022-81768
View Paper titled, Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver
Open the PDF for Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver in another window
Topics: Artificial neural networks, Computational fluid dynamics, Inviscid flow, Modeling, Partial differential equations, Physics, Shock (Mechanics), Wedges, Architecture, Equations of state
Proceedings Papers

Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor

Michael Ni, Gregorio Robles Vega, Ron Ho Ni, John Clark, Michael List
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A004, June 13–17, 2022
Paper No: GT2022-78911
https://doi.org/10.1115/GT2022-78911
View Paper titled, Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor
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Topics: Compressors, NASA, Engineering simulation, Simulation, Flow (Dynamics), Annulus, Approximation, Design, Diffusers, Numerical analysis
Proceedings Papers

Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind

Tommaso Piovesan, Zhang Wenqiang, Mehdi Vahdati, Pavlos K. Zachos
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A009, June 13–17, 2022
Paper No: GT2022-82149
https://doi.org/10.1115/GT2022-82149
View Paper titled, Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind
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Topics: Computational fluid dynamics, Ducts, Engineering simulation, Flow (Dynamics), Separation (Technology), Simulation, Stability, Steady state, Unsteady flow, Vibration
Proceedings Papers

Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity

Maria Rozman, Eric T. DeShong, Reid A. Berdanier, Karen A. Thole, Christopher Robak
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A021, June 13–17, 2022
Paper No: GT2022-82664
https://doi.org/10.1115/GT2022-82664
View Paper titled, Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity
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Topics: Cavities, Flow instability, Transients (Dynamics), Turbines, Flow (Dynamics), Aircraft engines, Cooling, Cycles, Design, Energy generation