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Michael J. Pekris
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Proceedings Papers

A New Experimental Capability for Electric and Hybrid-Electric Propulsion and Thermal Management Research: The Surrey Aerothermal Test Facility (SATF)

Alishaan Hussain, John J. Doherty, Michael J. Pekris, John W. Chew, Paul Hayden
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121348
https://doi.org/10.1115/GT2024-121348
View Paper titled, A New Experimental Capability for Electric and Hybrid-Electric Propulsion and Thermal Management Research: The Surrey Aerothermal Test Facility (SATF)
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Topics: Propulsion, Test facilities, Thermal management
Proceedings Papers

Surrey Hydrogen Aircraft Performance Evaluator (SHAPE): Viability of Liquid Hydrogen-Fueled Wing/Fuselage/Gas-Turbine Aircraft

Saurav Tiwari, Michael J. Pekris, John Doherty
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A048, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127694
https://doi.org/10.1115/GT2024-127694
View Paper titled, Surrey Hydrogen Aircraft Performance Evaluator (SHAPE): Viability of Liquid Hydrogen-Fueled Wing/Fuselage/Gas-Turbine Aircraft
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Topics: Aircraft, Design, Fuel cells, Gas turbines, Hydrogen, Hydrogen fuels, Shapes, Uncertainty, Wings
Proceedings Papers

Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals

Abdullah M. Abbas, Michael J. Pekris, John W. Chew
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127753
https://doi.org/10.1115/GT2024-127753
View Paper titled, Investigation of Grooved Front Plate for Inlet Swirl Reduction in Brush Seals
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Topics: Aerodynamics, Clearances (Engineering), Computational fluid dynamics, Design, Drag (Fluid dynamics), Engines, Experimental design, Flow (Dynamics), Fluid-dynamic forces, Fuel efficiency
Proceedings Papers

Modeling of Frictional Inter-Bristle Contact in Brush Seals With Shaft Radial Movements

Harry M. Phan, Michael J. Pekris, John W. Chew, Thomas J. Greenslade
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127824
https://doi.org/10.1115/GT2024-127824
View Paper titled, Modeling of Frictional Inter-Bristle Contact in Brush Seals With Shaft Radial Movements
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Topics: Friction, Modeling, Clearances (Engineering), Leakage flows, Pressure, Wear, Compression, Computer simulation, Heat, Thermal efficiency
Proceedings Papers

Insights Into Frictional Brush Seal Hysteresis

Hien M. Phan, Michael J. Pekris, John W. Chew
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102443
https://doi.org/10.1115/GT2023-102443
View Paper titled, Insights Into Frictional Brush Seal Hysteresis
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Topics: Computer simulation, Displacement, Fluid structure interaction, Friction, High pressure (Physics), Leakage, Modeling, Pressure, Rotation, Sealing (Process)
Journal Articles

The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability

Yuxin Liu, John W. Chew, Michael J. Pekris, Xiaozhi Kong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2020, 142(7): 071002.
Paper No: GTP-19-1420
https://doi.org/10.1115/1.4046696
Published Online: June 24, 2020
View Article titled, The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability
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Topics: Aerodynamics, Computational fluid dynamics, Deflection, Flow (Dynamics), Fluid-dynamic forces, Geometry, Pressure, Stability, Design
Proceedings Papers

The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability

Yuxin Liu, John W. Chew, Michael J. Pekris, Xiaozhi Kong
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90137
https://doi.org/10.1115/GT2019-90137
View Paper titled, The Effect of Inlet Swirl on Brush Seal Bristle Deflections and Stability
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Topics: Deflection, Stability
Journal Articles

Computational Fluid Dynamics and Thermal Analysis of Leaf Seals for Aero-engine Application

Vincenzo Fico, Michael J. Pekris, Christopher J. Barnes, Rakesh Kumar Jha, David Gillespie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072504.
Paper No: GTP-16-1487
https://doi.org/10.1115/1.4035595
Published Online: February 23, 2017
View Article titled, Computational Fluid Dynamics and Thermal Analysis of Leaf Seals for Aero-engine Application
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Topics: Boundary-value problems, Computational fluid dynamics, Rotors, Flow (Dynamics), Aircraft engines, Thermal analysis, Heat transfer
Journal Articles

Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface

Michael J. Pekris, Gervas Franceschini, Andrew K. Owen, Terry V. Jones, David R. H. Gillespie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 042504.
Paper No: GTP-16-1367
https://doi.org/10.1115/1.4034702
Published Online: November 2, 2016
View Article titled, Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface
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Topics: Flow (Dynamics), Heat transfer, Metals, Rotors, Temperature, Heat, Heat transfer coefficients, Modeling, Dimensional analysis, Test facilities
Journal Articles

Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

Juan-Diego Pelegrin-Garcia, David R. H. Gillespie, Michael J. Pekris, Gervas Franceschini, Leonid Ganin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031901.
Paper No: GTP-16-1285
https://doi.org/10.1115/1.4034519
Published Online: September 27, 2016
View Article titled, Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal
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Topics: Computational fluid dynamics, Convection, Flow (Dynamics), Heat transfer, Pressure, Rotors, Temperature, Thermocouples, Heat flux, Heat
Proceedings Papers

Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface

Michael J. Pekris, Gervas Franceschini, Andrew K. Owen, Terry V. Jones, David R. H. Gillespie
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A026, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57577
https://doi.org/10.1115/GT2016-57577
View Paper titled, Analytical Modeling and Experimental Validation of Heating at the Leaf Seal/Rotor Interface
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Topics: Heating, Modeling, Rotors, Flow (Dynamics), Engines, Temperature, Cavities, Leakage, Sealing (Process), Stiffness
Proceedings Papers

CFD and Thermal Analysis of Leaf Seals for Aero-Engine Application

Vincenzo Fico, Michael J. Pekris, Christopher J. Barnes, Rakesh Kumar Jha, David Gillespie
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A012, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56735
https://doi.org/10.1115/GT2016-56735
View Paper titled, CFD and Thermal Analysis of Leaf Seals for Aero-Engine Application
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Topics: Aircraft engines, Computational fluid dynamics, Thermal analysis, Rotors, Temperature, Boundary-value problems, Design, Reynolds number, Sealing (Process), Seals
Proceedings Papers

Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

Juan D. Pelegrin-Garcia, David R. H. Gillespie, Michael J. Pekris, Leonid Ganin, Gervas Franceschini
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A027, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57603
https://doi.org/10.1115/GT2016-57603
View Paper titled, Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal
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Topics: Convection, Experimental characterization, Rotors, Engines, Flow (Dynamics), Pressure, Temperature, Computational fluid dynamics, Design, Friction
Journal Articles

High-Speed Characterization of a Prototype Leaf Seal on an Advanced Seal Test Facility

Michael J. Pekris, Adele Nasti, Ingo H. J. Jahn, Gervas Franceschini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 082503.
Paper No: GTP-15-1561
https://doi.org/10.1115/1.4032422
Published Online: March 15, 2016
View Article titled, High-Speed Characterization of a Prototype Leaf Seal on an Advanced Seal Test Facility
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Topics: Clearances (Engineering), Engineering prototypes, Leakage, Pressure, Rotors, Temperature, Test facilities, Torque, Uncertainty, Flow (Dynamics)
Journal Articles

Experimental Investigation of a Leaf Seal Prototype at Engine-Representative Speeds and Pressures

Michael J. Pekris, Gervas Franceschini, Ingo H. J. Jahn, David R. H. Gillespie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2016, 138(7): 072502.
Paper No: GTP-15-1449
https://doi.org/10.1115/1.4031875
Published Online: December 4, 2015
View Article titled, Experimental Investigation of a Leaf Seal Prototype at Engine-Representative Speeds and Pressures
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Topics: Clearances (Engineering), Engineering prototypes, Engines, Pressure, Rotors, Torque, Test facilities, Geometry, Leakage, Flow (Dynamics)
Proceedings Papers

High Speed Characterization of a Prototype Leaf Seal on an Advanced Seal Test Facility

Michael J. Pekris, Adele Nasti, Ingo H. J. Jahn, Gervas Franceschini
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT15A023, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43465
https://doi.org/10.1115/GT2015-43465
View Paper titled, High Speed Characterization of a Prototype Leaf Seal on an Advanced Seal Test Facility
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Topics: Engineering prototypes, Test facilities, Engines, Leakage, Rotors, ASME Standards, Flight, Measurement uncertainty, Pressure, Torque
Proceedings Papers

Experimental Investigation of a Leaf Seal Prototype at Engine-Representative Speeds and Pressures

Michael J. Pekris, Gervas Franceschini, Ingo H. J. Jahn, David R. H. Gillespie
Proc. ASME. GT2015, Volume 5C: Heat Transfer, V05CT15A018, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43231
https://doi.org/10.1115/GT2015-43231
View Paper titled, Experimental Investigation of a Leaf Seal Prototype at Engine-Representative Speeds and Pressures
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Topics: Engineering prototypes, Engines, Leakage, Stiffness, Torque, Emissions, Fuel consumption, Geometry, Jet engines, Pressure
Journal Articles

An Investigation of Flow, Mechanical, and Thermal Performance of Conventional and Pressure-Balanced Brush Seals

Michael J. Pekris, Gervas Franceschini, David R. H. Gillespie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2014, 136(6): 062502.
Paper No: GTP-12-1364
https://doi.org/10.1115/1.4026243
Published Online: January 24, 2014
View Article titled, An Investigation of Flow, Mechanical, and Thermal Performance of Conventional and Pressure-Balanced Brush Seals
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Topics: Cavities, Clearances (Engineering), Flow (Dynamics), Pressure, Rotors, Temperature, Torque, Leakage
Proceedings Papers

An Investigation of Flow, Mechanical and Thermal Performance of Conventional and Pressure-Balanced Brush Seals

Michael J. Pekris, Gervas Franceschini, David R. H. Gillespie
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 2141-2153, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68901
https://doi.org/10.1115/GT2012-68901
View Paper titled, An Investigation of Flow, Mechanical and Thermal Performance of Conventional and Pressure-Balanced Brush Seals
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Topics: Flow (Dynamics), Pressure, Leakage, Design, Engines, Rotors, Torque, Wear, Friction, Fuel consumption
Proceedings Papers

Effect of Geometric Changes in an Idealised Contacting Brush Seal Bristle Pack on Typical Key Performance Measures

Michael J. Pekris, Gervas Franceschini, David R. H. Gillespie
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 999-1010, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46492
https://doi.org/10.1115/GT2011-46492
View Paper titled, Effect of Geometric Changes in an Idealised Contacting Brush Seal Bristle Pack on Typical Key Performance Measures
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Topics: Air flow, Computational fluid dynamics, Deformation, Engineering standards, Experimental design, Flow (Dynamics), Fuel consumption, Gas turbines, Geometry, Leakage