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Proceedings Papers

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

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Abdullah M. Abbas, Michael J. Pekris, John W. Chew
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127753
https://doi.org/10.1115/GT2024-127753
View Paper titled, Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals
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Topics: Aerodynamics, Clearances (Engineering), Computational fluid dynamics, Design, Drag (Fluid dynamics), Engines, Experimental design, Flow (Dynamics), Fluid-dynamic forces, Fuel efficiency
Proceedings Papers

Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine

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Tongxi Li, Jiakang Wang, Zhiheng Wang, Guang Xi
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127765
https://doi.org/10.1115/GT2024-127765
View Paper titled, Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
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Topics: Aerodynamics, Fluid-dynamic forces, Impulse (Physics), Turbines, Unsteady flow
Proceedings Papers

Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow

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Ragupathy S., Abhijit Kushari, M. C. Keerthi
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129233
https://doi.org/10.1115/GT2024-129233
View Paper titled, Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow
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Topics: Blades, Cascades (Fluid dynamics), Numerical analysis, Oscillations, Transonic flow, Shock (Mechanics), Fluctuations (Physics), Compressors, Flutter (Aerodynamics), Pressure
Proceedings Papers

A Study of Unsteady Aerodynamic Forces on Last Stage Blades in a Low-Pressure Model Steam Turbine at Very Low Operating Conditions

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Tadashi Tanuma, Hiroshi Okuda, Taiga Haraguchi, Kenichi Okuno, Naoki Shibukawa
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101083
https://doi.org/10.1115/GT2023-101083
View Paper titled, A Study of Unsteady Aerodynamic Forces on Last Stage Blades in a Low-Pressure Model Steam Turbine at Very Low Operating Conditions
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Topics: Aerodynamics, Blades, Computational fluid dynamics, Finite element analysis, Fluid-dynamic forces, Pressure, Steam turbines, Structural analysis, Structural mechanics
Proceedings Papers

On the Effect of Frequency Separation, Mass Ratio, Solidity and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade

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Matthias Schuff, Virginie Anne Chenaux
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, V08AT21A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82160
https://doi.org/10.1115/GT2022-82160
View Paper titled, On the Effect of Frequency Separation, Mass Ratio, Solidity and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Flutter (Aerodynamics), Resonance, Separation (Technology), Aerodynamics, Fluid-dynamic forces, Acoustics, Cycles, Damping
Proceedings Papers

Computation of the Unsteady Loading on a Fan Blade Due to Inlet Distortion Using Body Force Methodology

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Younes Bouhafid, Thomas Berthelon
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, V08AT21A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80839
https://doi.org/10.1115/GT2022-80839
View Paper titled, Computation of the Unsteady Loading on a Fan Blade Due to Inlet Distortion Using Body Force Methodology
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Topics: Blades, Computation, Design, Reynolds-averaged Navier–Stokes equations, Aerodynamics, Engines, Fluid-dynamic forces, Vibration, Annulus, Flow separation
Proceedings Papers

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

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Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83262
https://doi.org/10.1115/GT2022-83262
View Paper titled, Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2
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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure
Proceedings Papers

Forced Response Excitation due to the Stator Vanes of Two and Three Compressor Stages Away

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Toshimasa Miura, Naoto Sakai, Naoki Kanazawa, Kentaro Nakayama
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59149
https://doi.org/10.1115/GT2021-59149
View Paper titled, Forced Response Excitation due to the Stator Vanes of Two and Three Compressor Stages Away
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Topics: Compressors, Excitation, Stators, Blades, Vibration, Computational fluid dynamics, Fluid structure interaction, Rotors, Simulation, Gas turbines
Proceedings Papers

Numerical and Experimental Study on Rotating Stall in Industrial Centrifugal Compressor

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Toshimasa Miura, Hideaki Yamashita, Ryota Takeuchi, Naoto Sakai
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14448
https://doi.org/10.1115/GT2020-14448
View Paper titled, Numerical and Experimental Study on Rotating Stall in Industrial Centrifugal Compressor
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Topics: Compressors, Vibration, Simulation, Computational fluid dynamics, Pressure, Impellers, Rotation, Vaneless diffusers, Aerodynamics, Annulus
Proceedings Papers

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

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Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14282
https://doi.org/10.1115/GT2020-14282
View Paper titled, Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study
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Topics: Excitation, Turbine blades, Blades, Engines, Vibration, Spectra (Spectroscopy), Aerodynamics, Disks, Fluid-dynamic forces, Geometry
Proceedings Papers

Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the 3D Staggered Tube Bundle Model

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Dengqian Ma, Yuanqiao Zhang, Zhigang Li, Jun Li, Xin Yan
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14590
https://doi.org/10.1115/GT2020-14590
View Paper titled, Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the 3D Staggered Tube Bundle Model
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Topics: Leakage flows, Clearances (Engineering), Sealing (Process), Pressure, Aerodynamics, Compression, Fluid-dynamic forces, Kinetic energy, Numerical analysis, Turbomachinery
Proceedings Papers

Analysis of Friction-Saturated Flutter Vibrations With a Fully-Coupled Frequency Domain Method

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Christian Berthold, Johann Gross, Christian Frey, Malte Krack
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A032, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16253
https://doi.org/10.1115/GT2020-16253
View Paper titled, Analysis of Friction-Saturated Flutter Vibrations With a Fully-Coupled Frequency Domain Method
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Topics: Flutter (Aerodynamics), Friction, Vibration, Oscillations, Damping, Limit cycles, Aerodynamics, Algorithms, Boundary-value problems, Deflection
Proceedings Papers

On the Effect and Analysis of Fluid-Structural Mode Coupling

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Mani Sadeghi, Ming-Ta Yang, Huan-Min Shang, Eric Grover
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15083
https://doi.org/10.1115/GT2020-15083
View Paper titled, On the Effect and Analysis of Fluid-Structural Mode Coupling
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Topics: Acoustics, Aerodynamics, Aeroelasticity, Aircraft, Cycles, Design, Dynamic stability, Dynamics (Mechanics), Eigenvalues, Flow (Dynamics)
Proceedings Papers

Analysis of Vortex Ingestion Impact on the Dynamic Response of the Fan in Resonance Condition

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Thomas Berthelon, Alain Dugeai, Jonathan Langridge, Fabrice Thouverez
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A010, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90939
https://doi.org/10.1115/GT2019-90939
View Paper titled, Analysis of Vortex Ingestion Impact on the Dynamic Response of the Fan in Resonance Condition
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Topics: Dynamic response, Resonance, Vortices, Vibration, Aerodynamics, Aircraft, Blades, Clearances (Engineering), Failure, Flow (Dynamics)
Proceedings Papers

Aerodynamic Excitation Analysis of a Radial Turbine Featuring a Multi-Channel Casing Design

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Ahmed Farid Hassan, Jennifer Blackburne, Nikola Kovachev, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90105
https://doi.org/10.1115/GT2019-90105
View Paper titled, Aerodynamic Excitation Analysis of a Radial Turbine Featuring a Multi-Channel Casing Design
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Topics: Design, Excitation, Turbines, Rotors, Blades, Modal analysis, Pressure, Aerodynamics, Computer simulation, Engines
Proceedings Papers

Investigation and Prediction Models of the Axial Thrust in Centrifugal Compressors

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Mohand Younsi, Eric Hypolite
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90165
https://doi.org/10.1115/GT2019-90165
View Paper titled, Investigation and Prediction Models of the Axial Thrust in Centrifugal Compressors
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Topics: Compressors, Thrust, Computational fluid dynamics, Aerodynamics, Computer simulation, Flow (Dynamics), Fluid-dynamic forces, Geometry, Impellers, Pumps
Proceedings Papers

Development of a Criterion for a Robust Identification of Diffuser Rotating Stall Onset in Industrial Centrifugal Compressors

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Alessandro Bianchini, Giulia Andreini, Giovanni Ferrara, Lorenzo Ferrari, Dante Tommaso Rubino
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75521
https://doi.org/10.1115/GT2018-75521
View Paper titled, Development of a Criterion for a Robust Identification of Diffuser Rotating Stall Onset in Industrial Centrifugal Compressors
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Topics: Compressors, Diffusers, Stall inception, Aerodynamics, Blades, Experimental analysis, Fluid-dynamic forces, High pressure (Physics), Impellers, Machinery
Proceedings Papers

Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings

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Jinge Chen, Xin Shen, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75889
https://doi.org/10.1115/GT2018-75889
View Paper titled, Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings
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Topics: Blades, Stress, Wind turbines, Deformation, Torsion, Energy generation, Wind velocity, Aerodynamics, Deflection, Euler-Bernoulli beam theory
Proceedings Papers

The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades

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Vaclav Slama, Bartolomej Rudas, Jiri Ira, Ales Macalka, Petr Eret, Volodymyr Tsymbalyuk
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75502
https://doi.org/10.1115/GT2018-75502
View Paper titled, The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades
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Topics: Cascades (Fluid dynamics), Flutter (Aerodynamics), Turbine blades, Blades, Aerodynamics, Design, Engineering simulation, Fluid-dynamic forces, Simulation, Steam turbines
Proceedings Papers

Intentional Mistuning With Predominant Aerodynamic Effects

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Carlos Martel, José J. Sánchez
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75081
https://doi.org/10.1115/GT2018-75081
View Paper titled, Intentional Mistuning With Predominant Aerodynamic Effects
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Topics: Aerodynamics, Blades, Damping, Finite element model, Fluid-dynamic forces, Rotors, Traveling waves, Vibration