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Journal Articles

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

Maria Rozman, Eric T. DeShong, Karen A. Thole, Reid A. Berdanier, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031014.
Paper No: TURBO-22-1240
DOI: https://doi.org/10.1115/1.4055748
Published Online: November 3, 2022
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Topics: Cavities, Flow (Dynamics), Transients (Dynamics), Temperature, Pressure, Turbines, Wheels
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
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
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

Use of Multiple Tracer Gases to Quantify Vane Trailing Edge Flow Into Turbine Rim Seals

Iván Monge-Concepción, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole, Christopher Robak
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A017, June 13–17, 2022
Paper No: GT2022-83247
DOI: https://doi.org/10.1115/GT2022-83247
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Topics: Flow (Dynamics), Gases, Turbines, Cavities, Engines, Cooling, Air flow, Compressors, Computational fluid dynamics, Disks
Journal Articles

Use of Multiple Tracer Gases to Quantify Vane Trailing Edge Flow Into Turbine Rim Seals

Iván Monge-Concepción, Michael D. Barringer, Reid A. Berdanier, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011006.
Paper No: TURBO-22-1187
DOI: https://doi.org/10.1115/1.4055445
Published Online: October 7, 2022
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Topics: Cavities, Flow (Dynamics), Turbines, Cooling, Gases, Sealing (Process)
Journal Articles

Influence of Vane Trailing Edge Flow on the Formation of Cavity Cells and Rim Sealing

Iván Monge-Concepción, Shawn Siroka, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061014.
Paper No: TURBO-21-1294
DOI: https://doi.org/10.1115/1.4054281
Published Online: May 10, 2022
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Topics: Cavities, Flow (Dynamics), Pressure, Sealing (Process), Turbines, Cooling, Temperature
Proceedings Papers

Unsteady Turbine Rim Sealing and Vane Trailing Edge Flow Effects

Iván Monge-Concepción, Shawn Siroka, 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, V05BT14A010, June 7–11, 2021
Paper No: GT2021-59273
DOI: https://doi.org/10.1115/GT2021-59273
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Topics: Flow (Dynamics), Sealing (Process), Turbines, Cavities, Engines, Unsteady flow, Computer simulation, Engineering simulation, Hardware, High pressure (Physics)
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
Journal Articles

Evaluating the Effects of Transient Purge Flow on Stator-Rotor Seal Performance

Reid A. Berdanier, Eric T. DeShong, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021006.
Paper No: TURBO-20-1076
DOI: https://doi.org/10.1115/1.4048023
Published Online: February 1, 2021
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Topics: Flow (Dynamics), Pressure, Transients (Dynamics), Turbines, Rotors, Sealing (Process), Cavities, Stators, Temperature, Hardware
Journal Articles

Evaluating the Effect of Vane Trailing Edge Flow on Turbine Rim Sealing

Iván Monge-Concepción, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081001.
Paper No: TURBO-20-1023
DOI: https://doi.org/10.1115/1.4047611
Published Online: July 9, 2020
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Topics: Carbon dioxide, Cavities, Cooling, Flow (Dynamics), Turbines
Journal Articles

Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor–Stator Cavity

Kenneth Clark, Michael Barringer, David Johnson, Karen Thole, Eric Grover, Christopher Robak
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112502.
Paper No: GTP-18-1169
DOI: https://doi.org/10.1115/1.4040308
Published Online: July 12, 2018
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Topics: Cavities, Flow (Dynamics), Sealing (Process), Turbines, Engines
Proceedings Papers

Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor-Stator Cavity

Kenneth Clark, Michael Barringer, David Johnson, Karen Thole, Eric Grover, Christopher Robak
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A016, June 26–30, 2017
Paper No: GT2017-63910
DOI: https://doi.org/10.1115/GT2017-63910
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Topics: Cavities, Flow (Dynamics), Rotors, Sealing (Process), Stators, Engines, Reynolds number, Carbon dioxide, Compressors, Gas turbines
Journal Articles

Effects of Purge Jet Momentum on Sealing Effectiveness

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031904.
Paper No: GTP-16-1313
DOI: https://doi.org/10.1115/1.4034545
Published Online: October 4, 2016
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Topics: Cavities, Flow (Dynamics), Momentum, Sealing (Process), Stators, Turbines, Rotors, Leakage flows, Jets
Proceedings Papers

Using a Tracer Gas to Quantify Sealing Effectiveness for Engine Realistic Rim Seals

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A034, June 13–17, 2016
Paper No: GT2016-58095
DOI: https://doi.org/10.1115/GT2016-58095
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Topics: Engines, Sealing (Process), Turbines, Flow (Dynamics), Cooling, Cavities, Durability, Gas turbines, Hardware, Leakage flows
Proceedings Papers

Effects of Purge Jet Momentum on Sealing Effectiveness

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A036, June 13–17, 2016
Paper No: GT2016-58099
DOI: https://doi.org/10.1115/GT2016-58099
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Topics: Momentum, Sealing (Process), Cavities, Flow (Dynamics), Carbon dioxide, Compressors, Cycles, Engines, Gas turbines, Jets