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Proceedings Papers

Acoustic Signature of Flow Instabilities Present in Industrial Centrifugal Compressor

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

Paper No: GT2022-83018

DOI: https://doi.org/10.1115/GT2022-83018

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Topics: Acoustics, Compressors, Flow instability, Surges

Proceedings Papers

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

Sabri Deniz, Simon In Albon

Paper No: GT2022-82884

DOI: https://doi.org/10.1115/GT2022-82884

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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

E. Trigell, M. Mihaescu

Paper No: GT2022-83103

DOI: https://doi.org/10.1115/GT2022-83103

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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

Maria Rozman, Eric T. DeShong, Reid A. Berdanier, Karen A. Thole, Christopher Robak

Paper No: GT2022-82664

DOI: https://doi.org/10.1115/GT2022-82664

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Topics: Cavities, Flow instability, Transients (Dynamics), Turbines, Flow (Dynamics), Aircraft engines, Cooling, Cycles, Design, Energy generation

Proceedings Papers

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

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

Paper No: GT2021-58832

DOI: https://doi.org/10.1115/GT2021-58832

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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

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

Paper No: GT2021-59106

DOI: https://doi.org/10.1115/GT2021-59106

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Topics: Compressors, Micro gas turbines, Cycles, Pressure, Pressurized gas, Simulation, Surges, Transients (Dynamics), Turbines, Combustion chambers

Proceedings Papers

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

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

Paper No: GT2021-59188

DOI: https://doi.org/10.1115/GT2021-59188

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Topics: Cavities, Oscillations, Rotors, Stability, Stators, Flow (Dynamics), Fluids, Engines, Blades, Disks

Proceedings Papers

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

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

Paper No: GT2021-59285

DOI: https://doi.org/10.1115/GT2021-59285

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Topics: Cavities, Flow (Dynamics), Sealing (Process), Temperature, Coolants, Cooling, Blades, Computer simulation, Disks, Engineering simulation

Proceedings Papers

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

T. Lenzi, A. Picchi, A. Andreini, B. Facchini

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A001, June 7–11, 2021

Paper No: GT2021-59217

DOI: https://doi.org/10.1115/GT2021-59217

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Topics: Flow (Dynamics), Tin, Cooling, Swirling flow, Combustion chambers, Jets, Momentum, Turbulence, Coolants, Cooling systems

Proceedings Papers

An Experimental and Computational Investigation of a Pulsed Air-Jet Excitation System on a Rotating Bladed Disk

Eric Kurstak, Kiran D’Souza

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A041, September 21–25, 2020

Paper No: GT2020-16301

DOI: https://doi.org/10.1115/GT2020-16301

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Topics: Air jets, Disks, Excitation systems, Blades, Excitation, Vibration, Computer simulation, Design, Engines, Dynamics (Mechanics)

Proceedings Papers

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

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

Paper No: GT2020-14632

DOI: https://doi.org/10.1115/GT2020-14632

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Topics: Fluctuations (Physics), Pressure, Steam turbines, Valves, Stress, Flow (Dynamics), Shapes, Boilers, Couplings, Diffusers

Proceedings Papers

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

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

Paper No: GT2020-14474

DOI: https://doi.org/10.1115/GT2020-14474

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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

Le Han, Dasheng Wei, Yanrong Wang, Xiaobo Zhang, Mingchang Fang

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A026, September 21–25, 2020

Paper No: GT2020-16050

DOI: https://doi.org/10.1115/GT2020-16050

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Topics: Blades, Clearances (Engineering), Compressors, Flow instability, Rotors

Proceedings Papers

Investigating the Causes of Outlet Guide Vane Buffeting

Jonah R. Harris, Bharat Lad, Sina Stapelfeldt

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A027, September 21–25, 2020

Paper No: GT2020-16063

DOI: https://doi.org/10.1115/GT2020-16063

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Topics: Guide vanes, Simulation, Engines, Excitation, Pressure, Aircraft engines, Architecture, Computational fluid dynamics, Design, Fatigue

Proceedings Papers

Flow Instabilities in Gas Turbine Chute Seals

Joshua T. M. Horwood, Fabian P. Hualca, Mike Wilson, James A. Scobie, Carl M. Sangan, Gary D. Lock, Johan Dahlqvist, Jens Fridh

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A007, June 17–21, 2019

Paper No: GT2019-90982

DOI: https://doi.org/10.1115/GT2019-90982

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Topics: Annulus, Blades, Cavities, Computation, Engineering simulation, Engines, Flow (Dynamics), Flow instability, Gas turbines, Modeling

Proceedings Papers

Flow Dynamics in a Multi-Swirler Model Combustor Based on LES and POD Analysis

Weijie Liu, Huiru Wang, Qian Yang, Ranran Xue, Bing Ge, Yongbin Ji

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A048, June 17–21, 2019

Paper No: GT2019-90814

DOI: https://doi.org/10.1115/GT2019-90814

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Topics: Combustion chambers, Flow (Dynamics), Swirling flow, Flow instability, Turbulence, Combustion, Flames, Gas turbines, Large eddy simulation, Principal component analysis

Proceedings Papers

Study of Dynamical Instabilities in Siemens Liquid Spray Injectors Using Complementary Modal Decomposition Techniques

Adesile Ajisafe, Midhat Talibi, Andrea Ducci, Ramanarayanan Balachandran, Nishant Parsania, Suresh Sadasivuni, Ghenadie Bulat

Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A029, June 17–21, 2019

Paper No: GT2019-91473

DOI: https://doi.org/10.1115/GT2019-91473

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Topics: Ejectors, Sprays, Fuels, Pressure, Combustion chambers, Dynamics (Mechanics), Combustion, Cross-flow, Flow instability, Imaging

Proceedings Papers

Vortical Structures in Pin Fin Arrays for Turbine Cooling Applications

Marcel Otto, Justin Hodges, Gaurav Gupta, Jayanta S. Kapat

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT16A003, June 17–21, 2019

Paper No: GT2019-90552

DOI: https://doi.org/10.1115/GT2019-90552

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Topics: Cooling, Turbines, Flow (Dynamics), Reynolds number, Turbulence, Vortices, Heat transfer, Physics, Wakes, Fins

Proceedings Papers

Local and Global Stability Analysis of an Academic Rotor/Stator Cavity

Matthieu Queguineur, Thibault Bridel-Bertomeu, Laurent Gicquel, Gabriel Staffelbach

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A001, June 11–15, 2018

Paper No: GT2018-75008

DOI: https://doi.org/10.1115/GT2018-75008

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Topics: Cavities, Rotors, Stability, Stators, Flow (Dynamics), Cavity flows, Engines, Flow instability, Large eddy simulation, Limit cycles

Proceedings Papers

Three-Dimensional Vaneless Diffuser Rotating Stall Numerical Study

Filip Grapow, Grzegorz Liśkiewicz

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A026, June 11–15, 2018

Paper No: GT2018-76716

DOI: https://doi.org/10.1115/GT2018-76716

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Topics: Vaneless diffusers, Flow (Dynamics), Compressors, Diffusers, Oscillations, Pressure, Boundary-value problems, Flow instability, Signals, Simulation

NARROW

Acoustic Signature of Flow Instabilities Present in Industrial Centrifugal Compressor

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

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

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

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

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

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

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

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

An Experimental and Computational Investigation of a Pulsed Air-Jet Excitation System on a Rotating Bladed Disk

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

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

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

Investigating the Causes of Outlet Guide Vane Buffeting

Flow Instabilities in Gas Turbine Chute Seals

Flow Dynamics in a Multi-Swirler Model Combustor Based on LES and POD Analysis

Study of Dynamical Instabilities in Siemens Liquid Spray Injectors Using Complementary Modal Decomposition Techniques

Vortical Structures in Pin Fin Arrays for Turbine Cooling Applications

Local and Global Stability Analysis of an Academic Rotor/Stator Cavity

Three-Dimensional Vaneless Diffuser Rotating Stall Numerical Study

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