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Journal Articles

Detection of Cracks in Turbomachinery Blades by Online Monitoring

Manish Kumar, Roger Heinig, Mark Cottrell, Christian Siewert, Henning Almstedt, Drew Feiner, Jerry Griffin

J. Eng. Gas Turbines Power.

Paper No: GTP-20-1830

DOI: https://doi.org/10.1115/1.4053705

Published Online: January 29, 2022

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Topics: Blades, Crack detection, Turbomachinery, Fracture (Materials), Inspection, Oscillating frequencies, Rotors, Separation (Technology)

Journal Articles

Multirow Adjoint-Based Optimization of NICFD Turbomachinery Using a Computer-Aided Design-Based Parametrization

Roberto Agromayor, Nitish Anand, Matteo Pini, Lars O. Nord

J. Eng. Gas Turbines Power. April 2022, 144(4): 041008.

Paper No: GTP-21-1257

DOI: https://doi.org/10.1115/1.4052881

Published Online: January 21, 2022

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Topics: Blades, Design, Flow (Dynamics), Optimization, Parametrization, Turbines, Turbomachinery, Rotors, Computer-aided design, Reynolds-averaged Navier–Stokes equations

Journal Articles

Virtual Gas Turbines Part I: A Top-Down Geometry Modeling Environment for Turbomachinery Application

Davendu Kulkarni, Gan Lu, Feng Wang, Luca di Mare

J. Eng. Gas Turbines Power. March 2022, 144(3): 031010.

Paper No: GTP-21-1409

DOI: https://doi.org/10.1115/1.4052560

Published Online: December 9, 2021

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Topics: Geometry, Turbomachinery, Design, Modeling, Engines, Manufacturing, Gas turbines

Journal Articles

A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking

Dylan Rubini, Liping Xu, Budimir Rosic, Harri Johannesdahl

J. Eng. Gas Turbines Power. February 2022, 144(2): 021024.

Paper No: GTP-21-1526

DOI: https://doi.org/10.1115/1.4052784

Published Online: December 7, 2021

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Topics: Coke, Cracking (Materials), Energy transformation, Flow (Dynamics), Fracture (Process), Furnaces, Pressure, Rotors, Temperature, Turbulence

Journal Articles

Considerations for the Extension of Gas Path Analysis to Electrified Aircraft Propulsion Systems

Donald L. Simon, Randy Thomas, Kyle M. Dunlap

J. Eng. Gas Turbines Power. March 2022, 144(3): 031004.

Paper No: GTP-21-1418

DOI: https://doi.org/10.1115/1.4052424

Published Online: December 6, 2021

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Topics: Aircraft propulsion, Sensors, Torque, Torque measurement, Turbofans, Engines, Power systems (Machinery), Errors, Parameter estimation, Generators

Journal Articles

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. October 2021, 143(10): 101002.

Paper No: GTP-21-1024

DOI: https://doi.org/10.1115/1.4051104

Published Online: June 17, 2021

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Topics: Brakes, Cavities, Dampers, Damping, Fluids, Leakage, Pressure, Rotors, Stiffness, Supercritical carbon dioxide

Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado

J. Eng. Gas Turbines Power. August 2021, 143(8): 081023.

Paper No: GTP-20-1671

DOI: https://doi.org/10.1115/1.4050864

Published Online: May 7, 2021

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Topics: Bearings, Fluids, Stress, Thrust, Thrust bearings, Turbomachinery, Pressure, Clearances (Engineering), Flow (Dynamics), Supercritical carbon dioxide

Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas

J. Eng. Gas Turbines Power. August 2021, 143(8): 081024.

Paper No: GTP-20-1710

DOI: https://doi.org/10.1115/1.4050865

Published Online: May 7, 2021

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Topics: Bearings, Design, Stress, Testing, Thrust, Thrust bearings, Turbomachinery, Additive manufacturing, Springs, Stiffness

Journal Articles

Aerodynamic Investigation of Guide Vane Configurations Downstream a Rotating Detonation Combustor

Majid Asli, Panagiotis Stathopoulos, Christian Oliver Paschereit

J. Eng. Gas Turbines Power. June 2021, 143(6): 061011.

Paper No: GTP-20-1512

DOI: https://doi.org/10.1115/1.4049188

Published Online: March 16, 2021

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Topics: Blades, Chords (Trusses), Combustion chambers, Damping, Exhaust systems, Explosions, Flow (Dynamics), Guide vanes, Pressure, Combustion

Journal Articles

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek

J. Eng. Gas Turbines Power. May 2021, 143(5): 051005.

Paper No: GTP-20-1396

DOI: https://doi.org/10.1115/1.4048407

Published Online: March 11, 2021

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Topics: Coulombs, Disks, Excitation, Friction, Manufacturing, Random excitation, Displacement, Errors, Energy dissipation, Turbomachinery

Journal Articles

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Nguyen LaTray, Daejong Kim, Myongsok Song

J. Eng. Gas Turbines Power. April 2021, 143(4): 041017.

Paper No: GTP-20-1721

DOI: https://doi.org/10.1115/1.4049884

Published Online: February 26, 2021

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Topics: Bearings, Deflection, Film thickness, Foil bearings, Hydrostatics, Pressure, Stress, Thrust, Turbomachinery, Disks

Journal Articles

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method

Matthias Schuff, Virginie Anne Chenaux

J. Eng. Gas Turbines Power. February 2021, 143(2): 021017.

Paper No: GTP-20-1533

DOI: https://doi.org/10.1115/1.4048986

Published Online: January 28, 2021

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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Damping, Simulation, Turbomachinery, Flow (Dynamics), Aerodynamics, Fluid-dynamic forces

Journal Articles

New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

Lukas Badum, Boris Leizeronok, Beni Cukurel

J. Eng. Gas Turbines Power. February 2021, 143(2): 021006.

Paper No: GTP-20-1454

DOI: https://doi.org/10.1115/1.4048695

Published Online: January 18, 2021

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Topics: Additive manufacturing, Bearings, Compressors, Cycles, Design, Generators, Pressure, Rotors, Temperature, Turbines

Journal Articles

Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions

Ertuğrul Tolga Duran

J. Eng. Gas Turbines Power. October 2020, 142(10): 101001.

Paper No: GTP-20-1134

DOI: https://doi.org/10.1115/1.4048327

Published Online: September 23, 2020

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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Pressure drop, Rotors, Temperature, Turbomachinery, Viscosity, Heating

Journal Articles

Impact of Turbomachinery Degradation on Performance and Dynamic Behavior of Supercritical CO 2 Cycle

Seongmin Son, Jeong Yeol Baek, Yongju Jeong, Jeong Ik Lee

J. Eng. Gas Turbines Power. September 2020, 142(9): 091007.

Paper No: GTP-20-1146

DOI: https://doi.org/10.1115/1.4047888

Published Online: August 26, 2020

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Topics: Compressors, Cycles, Stress, Supercritical carbon dioxide, Turbines, Turbomachinery, Control equipment, Power systems (Machinery)

Journal Articles

A Statistical Characterization of the Effects and Interactions of Small and Large Mistuning on Multistage Bladed Disks

Eric Kurstak, Kiran D'Souza

J. Eng. Gas Turbines Power. April 2020, 142(4): 041015.

Paper No: GTP-19-1441

DOI: https://doi.org/10.1115/1.4045023

Published Online: February 3, 2020

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Topics: Blades, Design, Disks, Dynamics (Mechanics), Modeling, Modal analysis, Engines, Rotors, Stiffness, Damage

Journal Articles

Impact of Fluid Substitution on the Performance of an Axial Compressor Blade Cascade Working with Supercritical Carbon Dioxide

Carlos Tello, Alejandro Muñoz, David Sánchez, Timoleon Kipouros, Mark Savill

J. Eng. Gas Turbines Power. January 2020, 142(1): 011019.

Paper No: GTP-19-1625

DOI: https://doi.org/10.1115/1.4045473

Published Online: December 11, 2019

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Topics: Blades, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Fluids, Pressure, Supercritical carbon dioxide, Turbomachinery

Journal Articles

A Multidimensional Extension of Balje Chart for Axial Flow Turbomachinery Using Artificial Intelligence-Based Meta-Models

Gino Angelini, Alessandro Corsini, Giovanni Delibra, Lorenzo Tieghi

J. Eng. Gas Turbines Power. November 2019, 141(11): 111012.

Paper No: GTP-19-1439

DOI: https://doi.org/10.1115/1.4044935

Published Online: October 16, 2019

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Topics: Axial flow, Blades, Cascades (Fluid dynamics), Design, Principal component analysis, Turbomachinery, Fans, Flow (Dynamics), Artificial neural networks, Chords (Trusses)

Journal Articles

TURBODYNA: Centrifugal/Centripetal Turbomachinery Dynamic Simulator and Its Application on a Mixed Flow Turbine

Bijie Yang, Ricardo Martinez-Botas

J. Eng. Gas Turbines Power. October 2019, 141(10): 101012.

Paper No: GTP-19-1334

DOI: https://doi.org/10.1115/1.4044681

Published Online: September 16, 2019

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Topics: Computational fluid dynamics, Flow (Dynamics), Rotors, Turbines, Turbomachinery, Pressure, Modeling, Entropy, Waves, Cascades (Fluid dynamics)

Journal Articles

Numerical Investigation on the Performance of a Regenerative Flow Turbine for Small-Scale Organic Rankine Cycle Systems

Ramin Moradi, Luca Cioccolanti, Enrico Bocci, Mauro Villarini, Massimiliano Renzi

J. Eng. Gas Turbines Power. September 2019, 141(9): 091014.

Paper No: GTP-19-1015

DOI: https://doi.org/10.1115/1.4044062

Published Online: July 11, 2019

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Topics: Flow (Dynamics), Turbines, Computational fluid dynamics, Impellers, Machinery, Organic Rankine cycle, Pressure, Turbomachinery

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Journal citation

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Manuscript

Detection of Cracks in Turbomachinery Blades by Online Monitoring

Multirow Adjoint-Based Optimization of NICFD Turbomachinery Using a Computer-Aided Design-Based Parametrization

Virtual Gas Turbines Part I: A Top-Down Geometry Modeling Environment for Turbomachinery Application

A New Turbomachine for Clean and Sustainable Hydrocarbon Cracking

Considerations for the Extension of Gas Path Analysis to Electrified Aircraft Propulsion Systems

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Aerodynamic Investigation of Guide Vane Configurations Downstream a Rotating Detonation Combustor

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method

New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions

Impact of Turbomachinery Degradation on Performance and Dynamic Behavior of Supercritical CO 2 Cycle

A Statistical Characterization of the Effects and Interactions of Small and Large Mistuning on Multistage Bladed Disks

Impact of Fluid Substitution on the Performance of an Axial Compressor Blade Cascade Working with Supercritical Carbon Dioxide

A Multidimensional Extension of Balje Chart for Axial Flow Turbomachinery Using Artificial Intelligence-Based Meta-Models

TURBODYNA: Centrifugal/Centripetal Turbomachinery Dynamic Simulator and Its Application on a Mixed Flow Turbine

Numerical Investigation on the Performance of a Regenerative Flow Turbine for Small-Scale Organic Rankine Cycle Systems

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