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Christopher Robak
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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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031014.
Paper No: TURBO-22-1240
https://doi.org/10.1115/1.4055748
Published Online: November 3, 2022
View Article titled, Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity
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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
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

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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83247
https://doi.org/10.1115/GT2022-83247
View Paper titled, Use of Multiple Tracer Gases to Quantify Vane Trailing Edge Flow Into Turbine Rim Seals
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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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011006.
Paper No: TURBO-22-1187
https://doi.org/10.1115/1.4055445
Published Online: October 7, 2022
View Article titled, Use of Multiple Tracer Gases to Quantify Vane Trailing Edge Flow Into Turbine Rim Seals
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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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061014.
Paper No: TURBO-21-1294
https://doi.org/10.1115/1.4054281
Published Online: May 10, 2022
View Article titled, Influence of Vane Trailing Edge Flow on the Formation of Cavity Cells and Rim Sealing
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59273
https://doi.org/10.1115/GT2021-59273
View Paper titled, Unsteady Turbine Rim Sealing and Vane Trailing Edge Flow Effects
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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
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
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2021, 143(2): 021006.
Paper No: TURBO-20-1076
https://doi.org/10.1115/1.4048023
Published Online: February 1, 2021
View Article titled, Evaluating the Effects of Transient Purge Flow on Stator-Rotor Seal Performance
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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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2020, 142(8): 081001.
Paper No: TURBO-20-1023
https://doi.org/10.1115/1.4047611
Published Online: July 9, 2020
View Article titled, Evaluating the Effect of Vane Trailing Edge Flow on Turbine Rim Sealing
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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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112502.
Paper No: GTP-18-1169
https://doi.org/10.1115/1.4040308
Published Online: July 12, 2018
View Article titled, Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor–Stator Cavity
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63910
https://doi.org/10.1115/GT2017-63910
View Paper titled, Effects of Purge Flow Configuration on Sealing Effectiveness in a Rotor-Stator Cavity
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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
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031904.
Paper No: GTP-16-1313
https://doi.org/10.1115/1.4034545
Published Online: October 4, 2016
View Article titled, Effects of Purge Jet Momentum on Sealing Effectiveness
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-58095
https://doi.org/10.1115/GT2016-58095
View Paper titled, Using a Tracer Gas to Quantify Sealing Effectiveness for Engine Realistic Rim Seals
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-58099
https://doi.org/10.1115/GT2016-58099
View Paper titled, Effects of Purge Jet Momentum on Sealing Effectiveness
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Topics: Momentum, Sealing (Process), Cavities, Flow (Dynamics), Carbon dioxide, Compressors, Cycles, Engines, Gas turbines, Jets