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Proceedings Papers

Friction Saturated Limit Cycle Oscillations – Test Rig Design and Validation of Numerical Prediction Methods

Stefan Schwarz, Johannes Reil, Johann Gross, Andreas Hartung, David Rittinger, Malte Krack
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, V11BT27A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101671
https://doi.org/10.1115/GT2023-101671
View Paper titled, Friction Saturated Limit Cycle Oscillations – Test Rig Design and Validation of Numerical Prediction Methods
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Topics: Design, Friction, Limit cycles, Oscillations
Proceedings Papers

Damping Prediction Method for Asynchronous Vibration Modes and Verification by Electromagnetic Excitation for Full Scale Turbine Blade

Toshiro Goto, Toshio Watanabe, Takeo Baba, Kazuhiro Momma, Keiichiro Miyajima
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, V11BT27A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102146
https://doi.org/10.1115/GT2023-102146
View Paper titled, Damping Prediction Method for Asynchronous Vibration Modes and Verification by Electromagnetic Excitation for Full Scale Turbine Blade
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Topics: Damping, Excitation, Friction, Turbine blades, Vibration
Proceedings Papers

Physics-Informed Neural Network Modeling Approach for Mistuned Bladed Disks

Sean T. Kelly, Bogdan I. Epureanu
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, V11BT27A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102034
https://doi.org/10.1115/GT2023-102034
View Paper titled, Physics-Informed Neural Network Modeling Approach for Mistuned Bladed Disks
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Topics: Artificial neural networks, Bladed disks, Modeling, Physics, Blades, Dynamics (Mechanics), Excitation, Disks, Finite element analysis, Stress
Proceedings Papers

Experimental Analysis of Additive Manufactured Latticework Coupons

Niccolò Castelli, Umberto Sandri, Alessio Picchi, Bruno Facchini, Francesco Morante, Simone Cubeda
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102445
https://doi.org/10.1115/GT2023-102445
View Paper titled, Experimental Analysis of Additive Manufactured Latticework Coupons
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Topics: Additive manufacturing, Computerized tomography, Cooling, Experimental analysis, Friction, Heat transfer
Proceedings Papers

Crossflow Minimization for Jet Impingement Cooling Applications

Abdel Rahman Salem, Ibrahim Soliman, Ryoichi S. Amano
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101162
https://doi.org/10.1115/GT2023-101162
View Paper titled, Crossflow Minimization for Jet Impingement Cooling Applications
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Topics: Heat transfer, Impingement cooling, Turbulence, Blades, Computational fluid dynamics, Cooling, Engines, Friction, Gas turbines, Heat flux
Proceedings Papers

Insights Into Frictional Brush Seal Hysteresis

Hien M. Phan, Michael J. Pekris, John W. Chew
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102443
https://doi.org/10.1115/GT2023-102443
View Paper titled, Insights Into Frictional Brush Seal Hysteresis
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Topics: Computer simulation, Displacement, Fluid structure interaction, Friction, High pressure (Physics), Leakage, Modeling, Pressure, Rotation, Sealing (Process)
Proceedings Papers

High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

Thomas O. Jelly, Wagih Abu Rowin, Nicholas Hutchins, Daniel Chung, Koichi Tanimoto, Takuo Oda, Richard D. Sandberg
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102138
https://doi.org/10.1115/GT2023-102138
View Paper titled, High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness
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Topics: Additive manufacturing, Anisotropy, Heat transfer, Surface roughness, Turbulence, Flow (Dynamics), Pressure, Channel flow, Computational fluid dynamics, Computer simulation
Proceedings Papers

Heat Transfer Characteristics of an Internal Cooling Channel With Pin-Fins Using Recessed-Extruded Endwall Coupling in Gas Turbine Blade

Gia-Diem Pham, Khanh-Duy Cong Do, Duy-Hung Chung, Sung-Goon Park, Frédéric Plourde, Kwang-Yong Kim, Cong-Truong Dinh
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101022
https://doi.org/10.1115/GT2023-101022
View Paper titled, Heat Transfer Characteristics of an Internal Cooling Channel With Pin-Fins Using Recessed-Extruded Endwall Coupling in Gas Turbine Blade
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Topics: Blades, Cooling, Fins, Gas turbines, Heat transfer, Reynolds number, Design, Flow (Dynamics), Friction, Engineering simulation
Proceedings Papers

Experimental and Numerical Investigations of Grain Size Changes in the Rim Zone During Turning of DA718

Nicklas Gerhard, Hui Liu, Antonia Splettstößer, Pere Massanés Pedró, Markus Meurer, Thomas Bergs
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101989
https://doi.org/10.1115/GT2023-101989
View Paper titled, Experimental and Numerical Investigations of Grain Size Changes in the Rim Zone During Turning of DA718
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Topics: Grain size, Turning, Computer simulation, Cutting, Simulation, Alloys, Ceramics, Cracking (Materials), Engines, Finite element methods
Proceedings Papers

Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing

Alexander J. Wildgoose, Karen A. Thole, Erika Tuneskog, Lieke Wang
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103151
https://doi.org/10.1115/GT2023-103151
View Paper titled, Roughness Related to Cooling Performance of Channels Made Through Additive Manufacturing
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Topics: Additive manufacturing, Cooling, Surface roughness, Heat transfer, Errors, Pressure, surface morphology, Friction, Lasers, Computerized tomography
Proceedings Papers

Fluid Dynamic Behaviour of Conventional and Pressure Relieving Brush Seals

Joshua P. Bowen, Joshua J. Bird, Harry Cross, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103066
https://doi.org/10.1115/GT2023-103066
View Paper titled, Fluid Dynamic Behaviour of Conventional and Pressure Relieving Brush Seals
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Topics: Fluids, Pressure, Leakage, Flow (Dynamics), Durability, Engines, Friction, Plates (structures), Porous materials, Rotation
Proceedings Papers

A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces

Nicolas Ombret, Renaud Daon, Alain Dugeai, Fabrice Thouverez, Laurent Blanc
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102568
https://doi.org/10.1115/GT2023-102568
View Paper titled, A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces
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Topics: Blades, Flutter (Aerodynamics), Friction, Limit cycles, Oscillations
Proceedings Papers

Numerical Investigation of Friction Induced Interaction of Flutter Modes in a Realistic LPT Rotor

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103099
https://doi.org/10.1115/GT2023-103099
View Paper titled, Numerical Investigation of Friction Induced Interaction of Flutter Modes in a Realistic LPT Rotor
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Topics: Flutter (Aerodynamics), Friction, Rotors, Traveling waves, Bladed disks, Pressure, Turbines, Blades, Disks, Springs
Proceedings Papers

Turbomachinery Transient Dynamics of Radial Rotor-Stator Contact Occurrences With Friction

Coline Jacobs, Mathias Legrand, Fabrice Thouverez, Patricio Almeida
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, V11BT26A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102198
https://doi.org/10.1115/GT2023-102198
View Paper titled, Turbomachinery Transient Dynamics of Radial Rotor-Stator Contact Occurrences With Friction
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Topics: Dynamics (Mechanics), Friction, Rotors, Stators, Transients (Dynamics), Turbomachinery
Proceedings Papers

Comparative Study of the Flow and Thermal Characteristics of Non-Stochastic Lattice and Bio-Inspired Multi-Scale Structures for Gas Turbine Engine Applications

Shivangi Sarabhai, Pavan Tejaswi Velivela, Yaoyao Fiona Zhao, Fabian Sanchez, Mitch Kibsey
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, V11BT23A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103790
https://doi.org/10.1115/GT2023-103790
View Paper titled, Comparative Study of the Flow and Thermal Characteristics of Non-Stochastic Lattice and Bio-Inspired Multi-Scale Structures for Gas Turbine Engine Applications
Open the PDF for Comparative Study of the Flow and Thermal Characteristics of Non-Stochastic Lattice and Bio-Inspired Multi-Scale Structures for Gas Turbine Engine Applications in another window
Topics: Additive manufacturing, Biomimetics, Convection, Design, Flow (Dynamics), Friction, Gas turbines
Proceedings Papers

Stability of a Lateral Contact Between a Rotor and Stator When Rubbing

Jason Wilkes
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, V11BT26A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103969
https://doi.org/10.1115/GT2023-103969
View Paper titled, Stability of a Lateral Contact Between a Rotor and Stator When Rubbing
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Topics: Rotors, Stability, Stators, Eigenvalues, Bearings, Compressors, Damping, Friction, Machinery, Stiffness
Proceedings Papers

Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
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, V11BT27A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102829
https://doi.org/10.1115/GT2023-102829
View Paper titled, Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors
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Topics: Friction, Rotors, Bladed disks, Computation, Resonance, Vibration, Blades, Cycles, Degrees of freedom, Differential equations
Proceedings Papers

Analysis on Nonlinear Vibrations of Mistuned Blades With Frictional Under-Platform Dampers Considering Asynchronous Excitation Force

Ryuichi Umehara, Tomohiro Akaki, Naoki Onozato, Hiroki Kitada
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, V11BT27A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101137
https://doi.org/10.1115/GT2023-101137
View Paper titled, Analysis on Nonlinear Vibrations of Mistuned Blades With Frictional Under-Platform Dampers Considering Asynchronous Excitation Force
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Topics: Blades, Dampers, Excitation, Friction, Random excitation, Turbine blades, Vibration
Proceedings Papers

Experimental Nonlinear Analysis of Pre-Loaded Turbine Blades Dynamics With Frictional Shroud Contact

Hugo de Filippis, Fabrice Thouverez, Laurent Blanc, Patrick Girard, Fabrice Chevillot
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, V11BT27A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101727
https://doi.org/10.1115/GT2023-101727
View Paper titled, Experimental Nonlinear Analysis of Pre-Loaded Turbine Blades Dynamics With Frictional Shroud Contact
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Topics: Blades, Damping, Dynamics (Mechanics), Friction, Modal analysis, Turbine blades, Manufacturing, Torsion, Excitation, Pressure
Proceedings Papers

Extension of the MULTALL Open Source Throughflow Code for the Improved Endwall Loss Simulation

Mustafa Bilgiç, Özgür Uğraş Baran, Mehmet Halûk Aksel
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A031, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102827
https://doi.org/10.1115/GT2023-102827
View Paper titled, Extension of the MULTALL Open Source Throughflow Code for the Improved Endwall Loss Simulation
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Topics: Blades, Clearances (Engineering), Compressors, Computation, Design, Entropy, Flow (Dynamics), Friction, Geometry, Modeling