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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

J. Eng. Gas Turbines Power. November 2022, 144(11): 111005.

Paper No: GTP-22-1355

DOI: https://doi.org/10.1115/1.4055457

Published Online: September 20, 2022

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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

J. Eng. Gas Turbines Power. February 2022, 144(2): 021012.

Paper No: GTP-21-1390

DOI: https://doi.org/10.1115/1.4052201

Published Online: November 8, 2021

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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

J. Eng. Gas Turbines Power. November 2021, 143(11): 111010.

Paper No: GTP-21-1286

DOI: https://doi.org/10.1115/1.4051912

Published Online: September 27, 2021

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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

J. Eng. Gas Turbines Power. June 2021, 143(6): 061027.

Paper No: GTP-20-1403

DOI: https://doi.org/10.1115/1.4049449

Published Online: March 31, 2021

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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

J. Eng. Gas Turbines Power. December 2020, 142(12): 121001.

Paper No: GTP-20-1492

DOI: https://doi.org/10.1115/1.4048848

Published Online: November 12, 2020

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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

J. Eng. Gas Turbines Power. July 2020, 142(7): 071012.

Paper No: GTP-20-1148

DOI: https://doi.org/10.1115/1.4047184

Published Online: July 1, 2020

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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

J. Eng. Gas Turbines Power. February 2020, 142(2): 021019.

Paper No: GTP-19-1407

DOI: https://doi.org/10.1115/1.4045148

Published Online: January 22, 2020

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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

J. Eng. Gas Turbines Power. February 2020, 142(2): 021020.

Paper No: GTP-19-1408

DOI: https://doi.org/10.1115/1.4045149

Published Online: January 22, 2020

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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

J. Eng. Gas Turbines Power. December 2019, 141(12): 121008.

Paper No: GTP-19-1552

DOI: https://doi.org/10.1115/1.4045087

Published Online: November 11, 2019

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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

J. Eng. Gas Turbines Power. May 2019, 141(5): 051020.

Paper No: GTP-18-1314

DOI: https://doi.org/10.1115/1.4041654

Published Online: March 14, 2019

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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

J. Eng. Gas Turbines Power. August 2019, 141(8): 081003.

Paper No: GTP-18-1187

DOI: https://doi.org/10.1115/1.4042422

Published Online: February 13, 2019

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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

J. Eng. Gas Turbines Power. January 2019, 141(1): 011028.

Paper No: GTP-18-1415

DOI: https://doi.org/10.1115/1.4041115

Published Online: October 17, 2018

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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

J. Eng. Gas Turbines Power. February 2019, 141(2): 021010.

Paper No: GTP-18-1403

DOI: https://doi.org/10.1115/1.4040846

Published Online: September 26, 2018

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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

J. Eng. Gas Turbines Power. January 2019, 141(1): 012501.

Paper No: GTP-18-1225

DOI: https://doi.org/10.1115/1.4040680

Published Online: August 31, 2018

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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

J. Eng. Gas Turbines Power. July 2018, 140(7): 072507.

Paper No: GTP-17-1331

DOI: https://doi.org/10.1115/1.4038361

Published Online: April 16, 2018

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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

J. Eng. Gas Turbines Power. July 2018, 140(7): 072504.

Paper No: GTP-17-1332

DOI: https://doi.org/10.1115/1.4038458

Published Online: April 10, 2018

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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

J. Eng. Gas Turbines Power. May 2018, 140(5): 052801.

Paper No: GTP-17-1239

DOI: https://doi.org/10.1115/1.4038024

Published Online: November 28, 2017

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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

J. Eng. Gas Turbines Power. August 2017, 139(8): 082803.

Paper No: GTP-17-1002

DOI: https://doi.org/10.1115/1.4035914

Published Online: April 4, 2017

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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

J. Eng. Gas Turbines Power. July 2017, 139(7): 072701.

Paper No: GTP-16-1561

DOI: https://doi.org/10.1115/1.4035629

Published Online: February 28, 2017

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Topics: Computational fluid dynamics, Diffusers, Flow (Dynamics), Modeling, Turbines, Wheels, Pressure, Errors, Turbochargers

Journal Articles

System-Level Performance of Microturbines With an Inside-Out Ceramic Turbine

Nidal Kochrad, Nicolas Courtois, Miguel Charette, Benoit Picard, Alexandre Landry-Blais, David Rancourt, Jean-Sébastien Plante, Mathieu Picard

J. Eng. Gas Turbines Power. June 2017, 139(6): 062702.

Paper No: GTP-16-1573

DOI: https://doi.org/10.1115/1.4035648

Published Online: February 1, 2017

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Topics: Blades, Ceramics, Composite materials, Cooling, Cycles, Flow (Dynamics), Leakage, Microturbines, Temperature, Turbines

Journal citation

NARROW

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

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

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

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

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

Flow Instabilities in Gas Turbine Chute Seals

The Effect of Vanes and Blades on Ingress in Gas Turbines

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

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

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

Experimental and Computational Investigation of Flow Instabilities in Turbine Rim Seals

Influence of Leakage Flows on Hot Gas Ingress

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

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

Egress Interaction Through Turbine Rim Seals

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

The Twisted-Blade Model for Radial-Turbine Mistuning

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

System-Level Performance of Microturbines With an Inside-Out Ceramic Turbine

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