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Journal Articles

A Computationally Efficient Method For The Thermo-Structural Analysis Of A Turbocharger Turbine Wheel Under Engine Transient Operation

Accepted Manuscript
Francesco Balduzzi, Iacopo Catalani, Nicola Pini, Luigi Mosciaro, Daniele Mattiello, Silvio Rabbolini, Pierre Alain Hoffer, Alessandro Bianchini, Giovanni Ferrara
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1334
https://doi.org/10.1115/1.4063379
Published Online: September 8, 2023
View Article titled, A Computationally Efficient Method For The Thermo-Structural Analysis Of A Turbocharger Turbine Wheel Under Engine Transient Operation
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Topics: Engines, Transients (Dynamics), Turbines, Turbochargers, Wheels, Heat transfer, Boundary-value problems, Computational fluid dynamics, Fluids, Stress
Journal Articles

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111005.
Paper No: GTP-22-1355
https://doi.org/10.1115/1.4055457
Published Online: September 20, 2022
View Article titled, A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Rotors, Turbines, Wheels, Pressure, Turbulence, Sealing (Process)
Journal Articles

Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern

Alex Nakos, Bernd Beirow, Arthur Zobel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021012.
Paper No: GTP-21-1390
https://doi.org/10.1115/1.4052201
Published Online: November 8, 2021
View Article titled, Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern
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Topics: Blades, Damping, Design, Turbines, Wheels
Journal Articles

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111010.
Paper No: GTP-21-1286
https://doi.org/10.1115/1.4051912
Published Online: September 27, 2021
View Article titled, Influence of Flow Coefficient on Ingress Through Turbine Rim Seals
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Topics: Annulus, Blades, Flow (Dynamics), Rotors, Wheels, Pressure, Sealing (Process), Turbines, Disks
Journal Articles

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061027.
Paper No: GTP-20-1403
https://doi.org/10.1115/1.4049449
Published Online: March 31, 2021
View Article titled, Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
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Topics: Blades, Damping, Design, Stress, Turbines, Wheels, Flutter (Aerodynamics), Robustness, Computer simulation, Vibration analysis
Journal Articles

Development of the Functional Gradient Turbine Wheel With Cooled Blades Without Lock Connection

Liubov Magerramova, Michael Volkov, Anton Salnikov, Eugene Kratt
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121001.
Paper No: GTP-20-1492
https://doi.org/10.1115/1.4048848
Published Online: November 12, 2020
View Article titled, Development of the Functional Gradient Turbine Wheel With Cooled Blades Without Lock Connection
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Topics: Alloys, Blades, Design, Disks, Locks (Waterways), Turbines, Wheels, Optimization
Journal Articles

Analysis of Radial Compressor Performance at Low Pressure Ratios and Compressor Choke

Adrian Schloßhauer, Felix Falke, Johannes Klütsch, Iris Kreienborg, Stefan Pischinger
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2020, 142(7): 071012.
Paper No: GTP-20-1148
https://doi.org/10.1115/1.4047184
Published Online: July 1, 2020
View Article titled, Analysis of Radial Compressor Performance at Low Pressure Ratios and Compressor Choke
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Topics: Compressors, Wheels, Pressure
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021019.
Paper No: GTP-19-1407
https://doi.org/10.1115/1.4045148
Published Online: January 22, 2020
View Article titled, Flow Instabilities in Gas Turbine Chute Seals
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Topics: Annulus, Blades, Computation, Flow (Dynamics), Pressure, Sealing (Process), Simulation, Stators, Wheels, Rotors
Journal Articles

The Effect of Vanes and Blades on Ingress in Gas Turbines

Fabian P. Hualca, Joshua T. M. Horwood, Carl M. Sangan, Gary D. Lock, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021020.
Paper No: GTP-19-1408
https://doi.org/10.1115/1.4045149
Published Online: January 22, 2020
View Article titled, The Effect of Vanes and Blades on Ingress in Gas Turbines
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Topics: Annulus, Blades, Disks, Pressure, Rotors, Sealing (Process), Wheels, Flow (Dynamics), Pressure measurement
Journal Articles

An Advanced Single-Stage Turbine Facility for Investigating Nonaxisymmetric 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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121008.
Paper No: GTP-19-1552
https://doi.org/10.1115/1.4045087
Published Online: November 11, 2019
View Article titled, An Advanced Single-Stage Turbine Facility for Investigating Nonaxisymmetric Contoured Endwalls in the Presence of Purge Flow
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Topics: Flow (Dynamics), Stators, Wheels, Turbines, Pressure, Design, Rotors
Journal Articles

Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Thomas Kerr, Andrew Crandall, Dara Childs, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051020.
Paper No: GTP-18-1314
https://doi.org/10.1115/1.4041654
Published Online: March 14, 2019
View Article titled, Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor
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Topics: Compressors, Damping, Deflection, Degrees of freedom, Hammers, Rotation, Stiffness, Stress, Test facilities, Thrust
Journal Articles

Investigations on the Sealing Effectiveness and Unsteady Flow Field of 1.5-Stage Turbine Rim Seal

Shuxian Cheng, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2019, 141(8): 081003.
Paper No: GTP-18-1187
https://doi.org/10.1115/1.4042422
Published Online: February 13, 2019
View Article titled, Investigations on the Sealing Effectiveness and Unsteady Flow Field of 1.5-Stage Turbine Rim Seal
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Topics: Blades, Cavities, Coolants, Flow (Dynamics), Pressure, Sealing (Process), Turbines, Wheels, Unsteady flow
Journal Articles

Experimental and Computational Investigation of Flow Instabilities in Turbine Rim Seals

Joshua T. M. Horwood, Fabian P. Hualca, James A. Scobie, Michael Wilson, Carl M. Sangan, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011028.
Paper No: GTP-18-1415
https://doi.org/10.1115/1.4041115
Published Online: October 17, 2018
View Article titled, Experimental and Computational Investigation of Flow Instabilities in Turbine Rim Seals
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Topics: Annulus, Blades, Computation, Disks, Flow (Dynamics), Sealing (Process), Turbines, Wheels, Pressure, Stators
Journal Articles

Influence of Leakage Flows on Hot Gas Ingress

Marios Patinios, Irvin L. Ong, James A. Scobie, Gary D. Lock, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021010.
Paper No: GTP-18-1403
https://doi.org/10.1115/1.4040846
Published Online: September 26, 2018
View Article titled, Influence of Leakage Flows on Hot Gas Ingress
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Topics: Flow (Dynamics), Leakage flows, Stators, Wheels, Pressure, Rotors
Journal Articles

Model of Effect of Hot Gas Ingress on Temperatures of Turbine Disks

J. Michael Owen, Hui Tang, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012501.
Paper No: GTP-18-1225
https://doi.org/10.1115/1.4040680
Published Online: August 31, 2018
View Article titled, Model of Effect of Hot Gas Ingress on Temperatures of Turbine Disks
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Topics: Flow (Dynamics), Friction, Rotors, Stators, Temperature, Wheels, Heating, Boundary layers
Journal Articles

Re-Ingestion of Upstream Egress in a 1.5-Stage Gas Turbine Rig

James A. Scobie, Fabian P. Hualca, Marios Patinios, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072507.
Paper No: GTP-17-1331
https://doi.org/10.1115/1.4038361
Published Online: April 16, 2018
View Article titled, Re-Ingestion of Upstream Egress in a 1.5-Stage Gas Turbine Rig
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Topics: Annulus, Flow (Dynamics), Fluids, Sealing (Process), Wheels, Turbines, Stators, Rotors, Clearances (Engineering)
Journal Articles

Egress Interaction Through Turbine Rim Seals

James A. Scobie, Fabian P. Hualca, Carl M. Sangan, Gary D. Lock
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072504.
Paper No: GTP-17-1332
https://doi.org/10.1115/1.4038458
Published Online: April 10, 2018
View Article titled, Egress Interaction Through Turbine Rim Seals
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Probes, Rotors, Sealing (Process), Stators, Turbines, Wheels, Pressure
Journal Articles

Aerodynamic Optimization of the High Pressure Turbine and Interstage Duct in a Two-Stage Air System for a Heavy-Duty Diesel Engine

Uswah B. Khairuddin, Aaron W. Costall
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 052801.
Paper No: GTP-17-1239
https://doi.org/10.1115/1.4038024
Published Online: November 28, 2017
View Article titled, Aerodynamic Optimization of the High Pressure Turbine and Interstage Duct in a Two-Stage Air System for a Heavy-Duty Diesel Engine
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Topics: Computational fluid dynamics, Design, Ducts, Optimization, Turbines, Wheels
Journal Articles

The Twisted-Blade Model for Radial-Turbine Mistuning

Valentina Futoryanova
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2017, 139(8): 082803.
Paper No: GTP-17-1002
https://doi.org/10.1115/1.4035914
Published Online: April 4, 2017
View Article titled, The Twisted-Blade Model for Radial-Turbine Mistuning
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Topics: Blades, Turbines, Wheels, Finite element analysis
Journal Articles

Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Hong-Sik Im, Martin Babak, Denis Tisserant, Chris Wilkins
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072701.
Paper No: GTP-16-1561
https://doi.org/10.1115/1.4035629
Published Online: February 28, 2017
View Article titled, Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment
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Topics: Computational fluid dynamics, Diffusers, Flow (Dynamics), Modeling, Turbines, Wheels, Pressure, Errors, Turbochargers