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Proceedings Papers

Experimental Characterisation of Surge Cycles and Second Quadrant Operation for a Centrifugal Compressor

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Ola Ilseth Pronk, Lars Eirik Bakken
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121338
https://doi.org/10.1115/GT2024-121338
View Paper titled, Experimental Characterisation of Surge Cycles and Second Quadrant Operation for a Centrifugal Compressor
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Topics: Compressors, Cycles, Design, Experimental characterization, Flow instability, Surges
Proceedings Papers

The Onset of Hydrodynamic Instability in Dual Orifice Atomizers

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Hıdır Yankı Kılıçgedik
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A055, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125255
https://doi.org/10.1115/GT2024-125255
View Paper titled, The Onset of Hydrodynamic Instability in Dual Orifice Atomizers
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Topics: Deformation, Ejectors, Flow (Dynamics), Flow instability, Hydrodynamic stability, Large eddy simulation, Mathematical analysis, Nozzles, Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Surge Detection of Centrifugal Compressor Using CFD Results

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Al Shahriar, Yintao Wang, Jin Yan
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121888
https://doi.org/10.1115/GT2024-121888
View Paper titled, Surge Detection of Centrifugal Compressor Using CFD Results
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Topics: Compressors, Computational fluid dynamics, Flow instability, Magnetic bearings, Surges
Proceedings Papers

Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine

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Jason Wilkes, Abhay Patil, Jon Bygrave
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128951
https://doi.org/10.1115/GT2024-128951
View Paper titled, Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine
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Topics: Pipes, Supercritical carbon dioxide, Turbines, Vibration, Computational fluid dynamics, Design, Flow (Dynamics), Testing, Whirls, Boundary-value problems
Proceedings Papers

Simulating Stall Inception in a High-Performance Fan

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Andrew M. Bedke, Steven E. Gorrell
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A030, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102649
https://doi.org/10.1115/GT2023-102649
View Paper titled, Simulating Stall Inception in a High-Performance Fan
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Topics: Stall inception, Vortices, Blades, Shock (Mechanics), Leakage, Rotors, Aircraft engines, Annulus, Compressors, Delays
Proceedings Papers

Role of the Inducer in Flow Instability of a High-Speed Centrifugal Compressor Impeller

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Meijie Zhang, Wangxia Wu
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103035
https://doi.org/10.1115/GT2023-103035
View Paper titled, Role of the Inducer in Flow Instability of a High-Speed Centrifugal Compressor Impeller
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Topics: Compressor impellers, Compressors, Flow instability
Proceedings Papers

Modification of a Radial Pump Characteristics With Fluid Suction in the Vaneless Space

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Sabri Deniz
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100783
https://doi.org/10.1115/GT2023-100783
View Paper titled, Modification of a Radial Pump Characteristics With Fluid Suction in the Vaneless Space
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Topics: Flow control, Flow instability, Fluids, Pumps, Suction
Proceedings Papers

Acoustic Signature of Flow Instabilities Present in Industrial Centrifugal Compressor

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Grzegorz Liskiewicz, Andrzej Jaeschke, Władysław Kryłłowicz
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A027, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83018
https://doi.org/10.1115/GT2022-83018
View Paper titled, Acoustic Signature of Flow Instabilities Present in Industrial Centrifugal Compressor
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Topics: Acoustics, Compressors, Flow instability, Surges
Proceedings Papers

Modification of Pump Turbine Characteristics With Fluid Injection in Pump Operating Mode

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Sabri Deniz, Simon In Albon
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82884
https://doi.org/10.1115/GT2022-82884
View Paper titled, Modification of Pump Turbine Characteristics With Fluid Injection in Pump Operating Mode
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Topics: Flow control, Flow instability, Fluids, Pump turbines, Pumps, Underground injection
Proceedings Papers

Turbulence Model Impact on Predicting Precursors to Surge Flow Instabilities in a Turbocharger Compressor

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E. Trigell, M. Mihaescu
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A030, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83103
https://doi.org/10.1115/GT2022-83103
View Paper titled, Turbulence Model Impact on Predicting Precursors to Surge Flow Instabilities in a Turbocharger Compressor
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Topics: Compressors, Flow instability, Surges, Turbochargers, Turbulence, Flow (Dynamics), Design, Blades, Calibration, Computer simulation
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
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
Proceedings Papers

Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations

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Mark Noun, Laurent Gicquel, Gabriel Staffelbach
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59188
https://doi.org/10.1115/GT2021-59188
View Paper titled, Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations
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Topics: Cavities, Oscillations, Rotors, Stability, Stators, Flow (Dynamics), Fluids, Engines, Blades, Disks
Proceedings Papers

Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data

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Jens Satria Müller, Finn Lückoff, Thomas Ludwig Kaiser, Christian Oliver Paschereit, Kilian Oberleithner
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A021, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58832
https://doi.org/10.1115/GT2021-58832
View Paper titled, Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data
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Topics: Combustion chambers, Fluctuations (Physics), Modeling, Flow (Dynamics), Waves, Acoustics, Combustion systems, Flames, Flow instability, Fluid mechanics
Proceedings Papers

Prediction and Mitigation Strategies for Compressor Instabilities due to Large Pressurized Volumes in Micro Gas Turbine Systems

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Thomas Krummrein, Martin Henke, Timo Lingstädt, Martina Hohloch, Peter Kutne
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59106
https://doi.org/10.1115/GT2021-59106
View Paper titled, Prediction and Mitigation Strategies for Compressor Instabilities due to Large Pressurized Volumes in Micro Gas Turbine Systems
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Topics: Compressors, Micro gas turbines, Cycles, Pressure, Pressurized gas, Simulation, Surges, Transients (Dynamics), Turbines, Combustion chambers
Proceedings Papers

Analysis of Swirl Number Effects on Effusion Flow Behaviour Using Time Resolved PIV

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T. Lenzi, A. Picchi, A. Andreini, B. Facchini
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59217
https://doi.org/10.1115/GT2021-59217
View Paper titled, Analysis of Swirl Number Effects on Effusion Flow Behaviour Using Time Resolved PIV
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Topics: Flow (Dynamics), Tin, Cooling, Swirling flow, Combustion chambers, Jets, Momentum, Turbulence, Coolants, Cooling systems
Proceedings Papers

Correlating Cavity Sealing Effectiveness to Time-Resolved Rim Seal Events in the Presence of Vane Trailing Edge Flow

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Shawn Siroka, Iván Monge-Concepción, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59285
https://doi.org/10.1115/GT2021-59285
View Paper titled, Correlating Cavity Sealing Effectiveness to Time-Resolved Rim Seal Events in the Presence of Vane Trailing Edge Flow
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Topics: Cavities, Flow (Dynamics), Sealing (Process), Temperature, Coolants, Cooling, Blades, Computer simulation, Disks, Engineering simulation
Proceedings Papers

Experimental and Numerical Study on Pressure Losses and Flow Fluctuations in a High-Pressure Valve Assembly of Steam Turbine Governing System

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Vaclav Slama, Lukas Mrozek, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14474
https://doi.org/10.1115/GT2020-14474
View Paper titled, Experimental and Numerical Study on Pressure Losses and Flow Fluctuations in a High-Pressure Valve Assembly of Steam Turbine Governing System
Open the PDF for Experimental and Numerical Study on Pressure Losses and Flow Fluctuations in a High-Pressure Valve Assembly of Steam Turbine Governing System in another window
Topics: Flow (Dynamics), Fluctuations (Physics), High pressure (Physics), Manufacturing, Pressure, Steam turbines, Valves, Computer simulation, Turbines, Pipelines
Proceedings Papers

Locked-In Phenomenon Between Tip Clearance Flow Instabilities and Enforced Blade Motion in Axial Transonic Compressor Rotors

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Le Han, Dasheng Wei, Yanrong Wang, Xiaobo Zhang, Mingchang Fang
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16050
https://doi.org/10.1115/GT2020-16050
View Paper titled, Locked-In Phenomenon Between Tip Clearance Flow Instabilities and Enforced Blade Motion in Axial Transonic Compressor Rotors
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Topics: Blades, Clearances (Engineering), Compressors, Flow instability, Rotors
Proceedings Papers

Investigating the Causes of Outlet Guide Vane Buffeting

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Jonah R. Harris, Bharat Lad, Sina Stapelfeldt
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16063
https://doi.org/10.1115/GT2020-16063
View Paper titled, Investigating the Causes of Outlet Guide Vane Buffeting
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Topics: Guide vanes, Simulation, Engines, Excitation, Pressure, Aircraft engines, Architecture, Computational fluid dynamics, Design, Fatigue
Proceedings Papers

Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve

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Christian Windemuth, Martin Lange, Ronald Mailach
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14632
https://doi.org/10.1115/GT2020-14632
View Paper titled, Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve
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Topics: Fluctuations (Physics), Pressure, Steam turbines, Valves, Stress, Flow (Dynamics), Shapes, Boilers, Couplings, Diffusers