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Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100555
https://doi.org/10.1115/GT2023-100555
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
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Topics: Dampers, Leakage, Clearances (Engineering), Damping, Uncertainty, Cavities, Compressors, Design, Engineers, Errors
Proceedings Papers

Experimental Validation of a Seal Flutter Model

Roque Corral, Michele Greco
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102600
https://doi.org/10.1115/GT2023-102600
View Paper titled, Experimental Validation of a Seal Flutter Model
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Topics: Flutter (Aerodynamics), Engineering simulation, Pressure, Simulation, Cavities, Centrifugal force, Clearances (Engineering), Computer simulation, Deformation, Flow (Dynamics)
Proceedings Papers

Mistuning Strategy on Long Blades to Mitigate Flutter

Lorenzo Pinelli, Andrea Arnone, Lorenzo Peruzzi, Claudio Bettini, Conrad Finzel, Rudolf Kellerer
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102933
https://doi.org/10.1115/GT2023-102933
View Paper titled, Mistuning Strategy on Long Blades to Mitigate Flutter
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Topics: Blades, Flutter (Aerodynamics), Design, Combined cycles, Computational fluid dynamics, Emissions, Energy generation, Flow (Dynamics), Fuel consumption, Machinery
Proceedings Papers

Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 1: Nominal Inlet Guide Vane

Markus Schafferus, Marios Sasakaros, Manfred Wirsum, Arthur Zobel, Damian Vogt, Alex Nakos, Bernd Beirow
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103037
https://doi.org/10.1115/GT2023-103037
View Paper titled, Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 1: Nominal Inlet Guide Vane
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Topics: Blades, Flow (Dynamics), Inlet guide vanes, Turbines, Vibration
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

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Bugra Ertas, Keith Gary, Tom Adcock
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A038, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104108
https://doi.org/10.1115/GT2023-104108
View Paper titled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel
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Topics: Additive manufacturing, Bearings, Dampers, Stiffness, Damping, Design, Fluid structure interaction, Computational fluid dynamics, Dynamic testing (Engineering), Finite element analysis
Proceedings Papers

Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing

Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101410
https://doi.org/10.1115/GT2023-101410
View Paper titled, Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing
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Topics: Bearings, Flow (Dynamics), Hydrostatics, Journal bearings
Proceedings Papers

Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 2: Influence of Different Inlet Guide Vane Configurations

Marios Sasakaros, Markus Schafferus, Manfred Wirsum, Arthur Zobel, Damian Vogt, Alex Nakos, Bernd Beirow
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102243
https://doi.org/10.1115/GT2023-102243
View Paper titled, Experimental Investigation of Synchronous Flow Induced Blade Vibrations on a Radial Turbine - Part 2: Influence of Different Inlet Guide Vane Configurations
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Topics: Blades, Flow (Dynamics), Inlet guide vanes, Turbines, Vibration
Proceedings Papers

Acoustoelastic Modes in a Rotor-Cavity System With Superposed Through Flow

Tina Unglaube, Dieter Brillert
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102214
https://doi.org/10.1115/GT2023-102214
View Paper titled, Acoustoelastic Modes in a Rotor-Cavity System With Superposed Through Flow
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Topics: Cavities, Flow (Dynamics), Fluid structure interaction, Rotors, Stators
Proceedings Papers

Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime

Seung-Hyeop Hyun, Adolfo Delgado
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103158
https://doi.org/10.1115/GT2023-103158
View Paper titled, Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime
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Topics: Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Reynolds number, Rotors, Stiffness, Turbulence
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
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Topics: Additive manufacturing, Biomimetics, Convection, Design, Flow (Dynamics), Friction, Gas turbines
Proceedings Papers

Characterising the Unsteady Flow-Field in Low-Flow Turbine Operation

Hye Rim Kim, Lennart Stania, Niklas Maroldt, Marcel Oettinger, Joerg R. Seume
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102813
https://doi.org/10.1115/GT2023-102813
View Paper titled, Characterising the Unsteady Flow-Field in Low-Flow Turbine Operation
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Topics: Flow (Dynamics), Turbines, Vibration
Proceedings Papers

Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller

Andrea Agnolucci, Michele Marconcini, Davide Biliotti, Lorenzo Toni, Alberto Baroni, Luca Romani, Andrea Arnone
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103585
https://doi.org/10.1115/GT2023-103585
View Paper titled, Robust Design of a Vaned Diffuser in a Centrifugal Compressor Stage With a High Load Impeller
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Topics: Compressors, Design, Diffusers, Impellers, Stress, Clearances (Engineering), High pressure (Physics), Geometry, Machinery, Manufacturing
Proceedings Papers

Investigation on the Unsteady Surge Flow Behavior of an Axial-Centrifugal Compressor

Jiaan Li, Mengyang Wen, Baotong Wang, Xinqian Zheng
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103407
https://doi.org/10.1115/GT2023-103407
View Paper titled, Investigation on the Unsteady Surge Flow Behavior of an Axial-Centrifugal Compressor
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Topics: Aerodynamics, Compressors, Computational fluid dynamics, Flow (Dynamics), Simulation, Surges
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions

Michael Bergmann, Christian Morsbach, Björn F. Klose, Graham Ashcroft, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101623
https://doi.org/10.1115/GT2023-101623
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Cascades (Fluid dynamics), Computer simulation, Engineering simulation, Simulation, Computational fluid dynamics, Convection
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects

Christian Morsbach, Michael Bergmann, Adem Tosun, Björn F. Klose, Patrick Bechlars, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101374
https://doi.org/10.1115/GT2023-101374
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 3: Secondary Flow Effects in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Inflow, Boundary layers, Corners (Structural elements), Design, Flow visualization, Generators
Proceedings Papers

A Critical Analysis on the Impact of External Losses on the Performance of a Centrifugal Compressor Stage – Experimental and Multi-Fidelity Numerical Assessment

Alberto Baroni, Iacopo Catalani, Luca Romani, Marco Bicchi, Francesco Balduzzi, Michele Marconcini, Alessandro Bianchini, Andrea Arnone, Giovanni Ferrara, Lorenzo Toni, Davide Biliotti
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102488
https://doi.org/10.1115/GT2023-102488
View Paper titled, A Critical Analysis on the Impact of External Losses on the Performance of a Centrifugal Compressor Stage – Experimental and Multi-Fidelity Numerical Assessment
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Topics: Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Cavities, Engineering simulation, Simulation, Computer simulation, Leakage, Leakage flows
Proceedings Papers

Windage Loss and Flow Characteristics in Back Gap of Radial Inflow Impellers With Steam Medium

Zhuobin Zhao, Qinghua Deng, Lehao Hu, Jun Li, Zhenping Feng
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102360
https://doi.org/10.1115/GT2023-102360
View Paper titled, Windage Loss and Flow Characteristics in Back Gap of Radial Inflow Impellers With Steam Medium
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Topics: Flow (Dynamics), Impellers, Inflow, Reynolds number, Steam, Turbines
Proceedings Papers

Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade

Weibo Zhong, Yangwei Liu, Yumeng Tang
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104234
https://doi.org/10.1115/GT2023-104234
View Paper titled, Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Principal component analysis, Separation (Technology), Unsteady flow
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 2: Shock-Capturing and Transonic Flows

Björn F. Klose, Christian Morsbach, Michael Bergmann, Alexander Hergt, Joachim Klinner, Sebastian Grund, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101891
https://doi.org/10.1115/GT2023-101891
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 2: Shock-Capturing and Transonic Flows
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 2: Shock-Capturing and Transonic Flows in another window
Topics: Flow (Dynamics), Large eddy simulation, Shock (Mechanics), Transonic flow, Turbomachinery