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Proceedings Papers

Numerical Investigation Into the Impact of Operating Boundary Conditions on NOx Formation in Hydrogen Micromix Combustion System

Gaurav Singh, Malika Zghal, Xiaoxiao Sun, Pierre Gauthier, Vishal Sethi
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103111
https://doi.org/10.1115/GT2023-103111
View Paper titled, Numerical Investigation Into the Impact of Operating Boundary Conditions on NOx Formation in Hydrogen Micromix Combustion System
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Topics: Boundary-value problems, Combustion systems, Emissions, Hydrogen, Nitrogen oxides
Proceedings Papers

The Effect of Unsteady Boundary Conditions on Simulations of Prefilming Airblast Atomisation

Jack R. J. Wetherell, Andrew Garmory
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100731
https://doi.org/10.1115/GT2023-100731
View Paper titled, The Effect of Unsteady Boundary Conditions on Simulations of Prefilming Airblast Atomisation
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Topics: Boundary-value problems, Engineering simulation, Simulation, Sprays, Drops, Flow (Dynamics), Surface mount devices, Aviation, Combustion systems, Delays
Proceedings Papers

Efficient Pressure Mapping for the Calculation of the Dynamic Force on Reduced Order Models of Bladed Disks

Abdelhakim Bouras, Luigi Carassale
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101958
https://doi.org/10.1115/GT2023-101958
View Paper titled, Efficient Pressure Mapping for the Calculation of the Dynamic Force on Reduced Order Models of Bladed Disks
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Topics: Bladed disks, Finite element analysis, Fluid structure interaction, Pressure, Blades, Computational fluid dynamics, Fluids, Stress, Boundary-value problems, Deformation
Proceedings Papers

Tuning Modal Behaviour of Additively Manufactured Lattice Structures

Marco Beghini, Tommaso Grossi, Giuseppe Macoretta, Bernardo Disma Monelli, Ivan Senegaglia, Paolo del Turco, Andrea Fardelli, Francesco Morante
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT23A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103586
https://doi.org/10.1115/GT2023-103586
View Paper titled, Tuning Modal Behaviour of Additively Manufactured Lattice Structures
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Topics: Additive manufacturing, Design, Finite element analysis, Modeling, Lasers, Shapes, Stiffness, Boundary-value problems, Finite element methods, Finite element model
Proceedings Papers

The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes: A Numerical Study Using Scale-Resolving Simulations

Jonathan Gründler, Knut Lehmann, Heinz-Peter Schiffer
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100884
https://doi.org/10.1115/GT2023-100884
View Paper titled, The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes: A Numerical Study Using Scale-Resolving Simulations
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Topics: Boundary-value problems, Combustion chambers, High pressure (Physics), Simulation, Turbines
Proceedings Papers

Experimental Investigation of Acoustic Characteristics of Boundary Condition for a Combustor

Melvin Ikwubuo, Jong Guen Lee
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A066, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104089
https://doi.org/10.1115/GT2023-104089
View Paper titled, Experimental Investigation of Acoustic Characteristics of Boundary Condition for a Combustor
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Topics: Acoustics, Boundary-value problems, Combustion chambers, Modeling
Proceedings Papers

One Dimensional Model to Predict the Total Pressure Loss of Volute for Inward Flow Radial Supercritical CO2 Turbines

Syed Jiaul Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103179
https://doi.org/10.1115/GT2023-103179
View Paper titled, One Dimensional Model to Predict the Total Pressure Loss of Volute for Inward Flow Radial Supercritical CO2 Turbines
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Topics: Flow (Dynamics), Pressure, Supercritical carbon dioxide, Turbines, Computational fluid dynamics, Errors, Boundary layers, Boundary-value problems, Computer software, Cross section (Physics)
Proceedings Papers

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field and Performance for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Kazutaka Fuchigami, Takashi Yamane, Nozomi Tanaka, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101849
https://doi.org/10.1115/GT2023-101849
View Paper titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field and Performance for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Flow (Dynamics), High pressure (Physics), Turbines, Coolants, Rotors, Airfoils, Disks, Testing, Vortices
Proceedings Papers

Best-Practice Guidelines for High-Fidelity Simulations Based on Detailed Analysis of a Highly-Loaded Low-Pressure Turbine Cascade

Marco Rosenzweig, Simone Giaccherini, Lorenzo Pinelli, Melissa Kozul, Richard Sandberg, Michele Marconcini, Roberto Pacciani
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102697
https://doi.org/10.1115/GT2023-102697
View Paper titled, Best-Practice Guidelines for High-Fidelity Simulations Based on Detailed Analysis of a Highly-Loaded Low-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Engineering simulation, Pressure, Simulation, Turbines, Blades, Flow (Dynamics), Large eddy simulation, Wakes, Boundary-value problems
Proceedings Papers

Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines

Syed J. Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82090
https://doi.org/10.1115/GT2022-82090
View Paper titled, Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines
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Topics: Coriolis force, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines, Gas turbines, Blades, Rotors, Boundary-value problems, Computational fluid dynamics
Proceedings Papers

Off-Design Modelling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps

Paolo Gabrielli, Siddhant Singh, Giovanni Sansavini, Luis Sanz Garcia, Emmanuel Jacquemoud, Philipp Jenny
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83205
https://doi.org/10.1115/GT2022-83205
View Paper titled, Off-Design Modelling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps
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Topics: Carbon dioxide, Design, Heat pumps, Modeling, Optimization, Heating and cooling, Boundary-value problems, Climate change, Cooling, Engines
Proceedings Papers

The Influence of Shrouded Stator Cavity Boundary Conditions on Performance of a 1.5-Stage Low-Speed Research Compressor

Runzhu Shao, Mingmin Zhu, Jinfang Teng, Xiaoqing Qiang
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81904
https://doi.org/10.1115/GT2022-81904
View Paper titled, The Influence of Shrouded Stator Cavity Boundary Conditions on Performance of a 1.5-Stage Low-Speed Research Compressor
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Topics: Boundary-value problems, Cavities, Compressors, Leakage flows, Stators
Proceedings Papers

Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures

Yueyun Xi, Shaopeng Lu, Hongmei Jiang, Qiang Zhang
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82460
https://doi.org/10.1115/GT2022-82460
View Paper titled, Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures
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Topics: Flow control, Turbine blades, Flow (Dynamics), Design, Blades, Boundary-value problems, Cascades (Fluid dynamics), Computational fluid dynamics, Manufacturing, Manufacturing technology
Proceedings Papers

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Aakeen Parikh, Pablo Ale-Martos, Maria Esperanza Barrera-Medrano, Yoshihiro Hayashi, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81968
https://doi.org/10.1115/GT2022-81968
View Paper titled, Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge
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Topics: Compressors, Flow (Dynamics), Surges, Unsteady flow, Pulsatile flow, Stability, Boundary-value problems, Cycles, Dynamic response, Engines
Proceedings Papers

Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations

Christopher Wingel, Nicolas Binder, Yannick Bousquet, Jean-François Boussuge, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78239
https://doi.org/10.1115/GT2022-78239
View Paper titled, Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations
Open the PDF for Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations in another window
Topics: Large eddy simulation, Nozzle guide vanes, Reynolds-averaged Navier–Stokes equations, Turbulence, High pressure (Physics), Turbines, Combustion chambers, Diffusion (Physics), Temperature, Aerodynamics
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
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Topics: Artificial neural networks, Computational fluid dynamics, Inviscid flow, Modeling, Partial differential equations, Physics, Shock (Mechanics), Wedges, Architecture, Equations of state
Proceedings Papers

Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications

Aakeen Parikh, Gunin Singh, Chris Noon, Harminder Flora, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81976
https://doi.org/10.1115/GT2022-81976
View Paper titled, Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications
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Topics: Design, Torquemeters, Turbochargers, Unsteady flow, Torque, Compressors, Torque measurement, Boundary-value problems, Construction, Generators
Proceedings Papers

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods

Christian Berthold, Johann Groß, Christian Frey, Malte Krack
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77999
https://doi.org/10.1115/GT2022-77999
View Paper titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
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Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
Proceedings Papers

Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach

Yu Xia, Ishan Verma, Pravin Nakod, Rakesh Yadav, Stefano Orsino, Shaoping Li
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80733
https://doi.org/10.1115/GT2022-80733
View Paper titled, Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach
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Topics: Computer simulation, Flamelet generated manifold, Flames, Hydrogen, Flow (Dynamics), Temperature, Combustion, Engineering simulation, Fuels, Simulation