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Proceedings Papers

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A035, June 13–17, 2022
Paper No: GT2022-82868
DOI: https://doi.org/10.1115/GT2022-82868
View Paper titled, Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance
Click here to open pdf in another window PDF for Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance
Topics: Cavity flows, Compressors, Leakage flows, Stators, Topology, Cavities, Design, Boundary layers, Engineering simulation, Fluid dynamics
Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022
Paper No: GT2022-83473
DOI: https://doi.org/10.1115/GT2022-83473
View Paper titled, Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
Click here to open pdf in another window PDF for Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer
Proceedings Papers

The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A012, June 13–17, 2022
Paper No: GT2022-82458
DOI: https://doi.org/10.1115/GT2022-82458
View Paper titled, The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames
Click here to open pdf in another window PDF for The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames
Topics: Cavity flows, Flow (Dynamics), Turbines, Ducts, Engines, Boundary layers, Cavities, Probes, Rotors, Struts (Engineering)
Proceedings Papers

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A005, June 7–11, 2021
Paper No: GT2021-59090
DOI: https://doi.org/10.1115/GT2021-59090
View Paper titled, Unsteady Pressure Measurements in a Heated Rotating Cavity
Click here to open pdf in another window PDF for Unsteady Pressure Measurements in a Heated Rotating Cavity
Topics: Cavities, Pressure measurement, Vortices, Buoyancy, Engines, Flow (Dynamics), Aircraft engines, Cavity flows, Compressors, Computational fluid dynamics
Proceedings Papers

Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage

D. Barsi, D. Lengani, D. Simoni, G. Venturino, F. Bertini, M. Giovannini, F. Rubechini
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A012, June 7–11, 2021
Paper No: GT2021-59932
DOI: https://doi.org/10.1115/GT2021-59932
View Paper titled, Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage
Click here to open pdf in another window PDF for Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage
Topics: Cavities, Flow (Dynamics), Cavity flows, Rotors, Simulation, Pressure, Engines, Geometry, Inspection, Stators
Proceedings Papers

Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 1: Interactions With the Primary Flow

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A041, June 7–11, 2021
Paper No: GT2021-60103
DOI: https://doi.org/10.1115/GT2021-60103
View Paper titled, Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 1: Interactions With the Primary Flow
Click here to open pdf in another window PDF for Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 1: Interactions With the Primary Flow
Topics: Cavity flows, Compressors, Flow (Dynamics), Leakage flows, Stators
Proceedings Papers

Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A042, June 7–11, 2021
Paper No: GT2021-60115
DOI: https://doi.org/10.1115/GT2021-60115
View Paper titled, Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells
Click here to open pdf in another window PDF for Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells
Topics: Cavity flows, Compressors, Leakage flows, Stators, Wells
Proceedings Papers

Wall-Modelled Large Eddy Simulations of Axial Turbine Rim Sealing

Donato M. Palermo, Feng Gao, Dario Amirante, John W. Chew, Anna Bru Revert, Paul F. Beard
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A015, September 21–25, 2020
Paper No: GT2020-14973
DOI: https://doi.org/10.1115/GT2020-14973
View Paper titled, Wall-Modelled Large Eddy Simulations of Axial Turbine Rim Sealing
Click here to open pdf in another window PDF for Wall-Modelled Large Eddy Simulations of Axial Turbine Rim Sealing
Topics: Large eddy simulation, Sealing (Process), Turbines, Rotors, Simulation, Annulus, Blades, Cavity flows, Convection, Eddies (Fluid dynamics)
Proceedings Papers

Some Observations on the Computational Sensitivity of Rotating Cavity Flows

Tom Hickling, Li He
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A026, September 21–25, 2020
Paper No: GT2020-16103
DOI: https://doi.org/10.1115/GT2020-16103
View Paper titled, Some Observations on the Computational Sensitivity of Rotating Cavity Flows
Click here to open pdf in another window PDF for Some Observations on the Computational Sensitivity of Rotating Cavity Flows
Topics: Aerodynamics, Buoyancy, Cavities, Cavity flows, Compressors, Computation, Disks, Eddies (Fluid dynamics), Feedback, Flow (Dynamics)
Proceedings Papers

Circumferential Combustor Cavity Flow Fields With Decreasing Core Flow

Brian T. Bohan, Marc D. Polanka, Larry P. Goss
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A004, September 21–25, 2020
Paper No: GT2020-14151
DOI: https://doi.org/10.1115/GT2020-14151
View Paper titled, Circumferential Combustor Cavity Flow Fields With Decreasing Core Flow
Click here to open pdf in another window PDF for Circumferential Combustor Cavity Flow Fields With Decreasing Core Flow
Topics: Cavity flows, Combustion chambers, Flow (Dynamics), Engines, Cavities, Compressors, Particulate matter, Emissions, Fluids, Gas turbines
Proceedings Papers

Numerical Characterization of a HP Compressor Stage Equipped With a Closed Shrouded Stator Cavity

Cedric Babin, Michel Dumas, Xavier Ottavy, Fabrizio Fontaneto
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A036, September 21–25, 2020
Paper No: GT2020-14908
DOI: https://doi.org/10.1115/GT2020-14908
View Paper titled, Numerical Characterization of a HP Compressor Stage Equipped With a Closed Shrouded Stator Cavity
Click here to open pdf in another window PDF for Numerical Characterization of a HP Compressor Stage Equipped With a Closed Shrouded Stator Cavity
Topics: Cavities, Cavity flows, Compressors, Stators
Proceedings Papers

Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach

Maxime Perini, Nicolas Binder, Yannick Bousquet, Eric Schwartz
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A022, September 21–25, 2020
Paper No: GT2020-15422
DOI: https://doi.org/10.1115/GT2020-15422
View Paper titled, Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach
Click here to open pdf in another window PDF for Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach
Topics: Cavities, Flow (Dynamics), Pressure, Turbines, Simulation, Cavity flows, Computation, Entropy, Optimization, Rotors
Proceedings Papers

A Multi-Fidelity Aero-Thermal Design Approach for Secondary Air Systems

Dario Amirante, Nicholas J. Hills, Paolo Adami
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A047, September 21–25, 2020
Paper No: GT2020-15922
DOI: https://doi.org/10.1115/GT2020-15922
View Paper titled, A Multi-Fidelity Aero-Thermal Design Approach for Secondary Air Systems
Click here to open pdf in another window PDF for A Multi-Fidelity Aero-Thermal Design Approach for Secondary Air Systems
Topics: Design, Fluids, Metals, Simulation, Cavities, Engines, Flow (Dynamics), Heat transfer, Annulus, Blades
Proceedings Papers

Prediction in Rotor-Stator Cavities at High Reynolds Numbers up to Re ≈ 2·10 8 : Towards a New Parametric Model

Tilman Raphael Schröder, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A001, September 21–25, 2020
Paper No: GT2020-14010
DOI: https://doi.org/10.1115/GT2020-14010
View Paper titled, Prediction in Rotor-Stator Cavities at High Reynolds Numbers up to Re ≈ 2·10 8 : Towards a New Parametric Model
Click here to open pdf in another window PDF for Prediction in Rotor-Stator Cavities at High Reynolds Numbers up to Re ≈ 2·10 8 : Towards a New Parametric Model
Topics: Cavities, Reynolds number, Rotors, Stators, Thrust, Flow (Dynamics), Stress, Torque, Bearings, Compressors
Proceedings Papers

An Advanced Single-Stage Turbine Facility for Investigating Non-Axisymmetric Contoured Endwalls in the Presence of Purge Flow

Robin R. Jones, Oliver J. Pountney, Bjorn L. Cleton, Liam E. Wood, B. Deneys J. Schreiner, A. J. Carvalho Figueiredo, James A. Scobie, David J. Cleaver, Gary D. Lock, Carl M. Sangan
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A004, June 17–21, 2019
Paper No: GT2019-90377
DOI: https://doi.org/10.1115/GT2019-90377
View Paper titled, An Advanced Single-Stage Turbine Facility for Investigating Non-Axisymmetric Contoured Endwalls in the Presence of Purge Flow
Click here to open pdf in another window PDF for An Advanced Single-Stage Turbine Facility for Investigating Non-Axisymmetric Contoured Endwalls in the Presence of Purge Flow
Topics: Flow (Dynamics), Turbines, Design, Pressure, Rotors, Blades, Nozzle guide vanes, Stators, Cavity flows, Clearances (Engineering)
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
View Paper titled, Local and Global Stability Analysis of an Academic Rotor/Stator Cavity
Click here to open pdf in another window PDF for Local and Global Stability Analysis of an Academic Rotor/Stator Cavity
Topics: Cavities, Rotors, Stability, Stators, Flow (Dynamics), Cavity flows, Engines, Flow instability, Large eddy simulation, Limit cycles
Proceedings Papers

Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow

Wolfgang Sanz, Stefan Zerobin, Manfred Egger, Pascal Bader, Paul Pieringer, Emil Göttlich, Franz Heitmeir
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A010, June 11–15, 2018
Paper No: GT2018-75642
DOI: https://doi.org/10.1115/GT2018-75642
View Paper titled, Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow
Click here to open pdf in another window PDF for Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow
Topics: Computational fluid dynamics, Flow (Dynamics), High pressure (Physics), Rotors, Simulation, Turbines, Vortices, Leakage, Vorticity, Boundary layers
Proceedings Papers

Axial Force Balance of Supercritical CO 2 Radial Inflow Turbine Impeller Through Backface Cavity Design

Can Ma, Zhiqiang Qiu, Jinlan Gou, Jun Wu, Zhenxing Zhao, Wei Wang
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A016, June 11–15, 2018
Paper No: GT2018-76019
DOI: https://doi.org/10.1115/GT2018-76019
View Paper titled, Axial Force Balance of Supercritical CO 2 Radial Inflow Turbine Impeller Through Backface Cavity Design
Click here to open pdf in another window PDF for Axial Force Balance of Supercritical CO 2 Radial Inflow Turbine Impeller Through Backface Cavity Design
Topics: Cavities, Design, Impellers, Inflow, Supercritical carbon dioxide, Turbines, Pumps, Stress, Thermodynamic power cycles, Thrust bearings
Proceedings Papers

Effect of Rim Seal Configuration on Gas Turbine Cavity Sealing in Both Design and Off-Design Conditions

Riccardo Da Soghe, Cosimo Bianchini, Mirko Micio, Jacopo D’Errico, Francesco Bavassano
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A019, June 11–15, 2018
Paper No: GT2018-75712
DOI: https://doi.org/10.1115/GT2018-75712
View Paper titled, Effect of Rim Seal Configuration on Gas Turbine Cavity Sealing in Both Design and Off-Design Conditions
Click here to open pdf in another window PDF for Effect of Rim Seal Configuration on Gas Turbine Cavity Sealing in Both Design and Off-Design Conditions
Topics: Cavities, Design, Gas turbines, Sealing (Process), Rotors, Stators, Acoustics, Cavity flows, Computational fluid dynamics, Engines
Proceedings Papers

Heat Transfer and Pressure Measurements for the Forward Purge Cavity, Inner Endwall, and Rotor Platform of a Cooled Transonic Turbine Stage

Jeremy Nickol, Matthew Tomko, Randall Mathison, Jong S. Liu, Mark Morris, Malak F. Malak
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A033, June 11–15, 2018
Paper No: GT2018-76978
DOI: https://doi.org/10.1115/GT2018-76978
View Paper titled, Heat Transfer and Pressure Measurements for the Forward Purge Cavity, Inner Endwall, and Rotor Platform of a Cooled Transonic Turbine Stage
Click here to open pdf in another window PDF for Heat Transfer and Pressure Measurements for the Forward Purge Cavity, Inner Endwall, and Rotor Platform of a Cooled Transonic Turbine Stage
Topics: Cavities, Heat transfer, Pressure measurement, Rotors, Turbines, Flow (Dynamics), Cooling, Blades, Airfoils, Circuits