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Journal Articles

ATTENUATION OF DETRIMENTAL HUB LEAKAGE EFFECTS IN AN AXIAL COMPRESSOR ROTOR BY CUSTOMIZED GEOMETRICAL DESIGN FEATURES

Accepted Manuscript
Jannik Petermann, Kevin Schulz, Bernd Becker, Volker Gümmer
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1154
https://doi.org/10.1115/1.4063508
Published Online: September 27, 2023
View Article titled, ATTENUATION OF DETRIMENTAL HUB LEAKAGE EFFECTS IN AN AXIAL COMPRESSOR ROTOR BY CUSTOMIZED GEOMETRICAL DESIGN FEATURES
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Topics: Compressors, Design, Leakage, Rotors, Turbochargers
Journal Articles

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach. November 2023, 145(11): 111003.
Paper No: TURBO-22-1267
https://doi.org/10.1115/1.4063246
Published Online: September 14, 2023
View Article titled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
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Topics: Annulus, Blades, Cooling, Cylinders, Gas turbines, Heat flux, Temperature, Transients (Dynamics), Ventilation, Computational fluid dynamics
Journal Articles

ROBUST DESIGN OF HERRINGBONE GROOVED JOURNAL BEARINGS USING MULTI-OBJECTIVE OPTIMIZATION WITH ARTIFICIAL NEURAL NETWORKS

Accepted Manuscript
Soheyl Massoudi, Jurg Schiffmann
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach.
Paper No: TURBO-23-1158
https://doi.org/10.1115/1.4063392
Published Online: September 11, 2023
View Article titled, ROBUST DESIGN OF HERRINGBONE GROOVED JOURNAL BEARINGS USING MULTI-OBJECTIVE OPTIMIZATION WITH ARTIFICIAL NEURAL NETWORKS
Open the PDF for ROBUST DESIGN OF HERRINGBONE GROOVED JOURNAL BEARINGS USING MULTI-OBJECTIVE OPTIMIZATION WITH ARTIFICIAL NEURAL NETWORKS in another window
Topics: Artificial neural networks, Design, Journal bearings, Pareto optimization, Turbochargers, Bearings, Rotors, Geometry, Manufacturing, Compressors
Journal Articles

Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions

Accepted Manuscript
Maxime Perini, Nicolas Binder, Yannick Bousquet, Eric Schwartz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-22-1351
https://doi.org/10.1115/1.4063247
Published Online: August 24, 2023
View Article titled, Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions
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Topics: Cavities, Design, Pressure, Turbines, Turbochargers, Flow (Dynamics), Aerodynamics, Computational fluid dynamics, Leakage flows, Rotors
Journal Articles

Body Force Modeling of the Fan Stage of a Windmilling Turbofan

Massyl Lagha, Guillaume Dufour
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach. October 2023, 145(10): 101003.
Paper No: TURBO-21-1086
https://doi.org/10.1115/1.4062837
Published Online: July 28, 2023
View Article titled, Body Force Modeling of the Fan Stage of a Windmilling Turbofan
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Topics: Blades, Computational fluid dynamics, Engines, Flow (Dynamics), Modeling, Pressure, Rotors, Simulation, Stators, Turbofans
Journal Articles

The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines

Noraiz Mushtaq, Giacomo Persico, Paolo Gaetani
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081015.
Paper No: TURBO-22-1161
https://doi.org/10.1115/1.4062277
Published Online: May 22, 2023
View Article titled, The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines
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Topics: Blades, Design, Flow (Dynamics), Rotors, Shape optimization, Stators, Turbines, Optimization, Explosions, Mach number
Journal Articles

Full Stage Axial Compressor Performance Modeling Incorporating the Effects of Blade Damage Due to Particle Ingestion

Emanuel Chirayath, Haosen Xu, Xiang Yang, Robert Kunz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091001.
Paper No: TURBO-22-1116
https://doi.org/10.1115/1.4062397
Published Online: May 22, 2023
View Article titled, Full Stage Axial Compressor Performance Modeling Incorporating the Effects of Blade Damage Due to Particle Ingestion
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Topics: Blades, Compressors, Damage, Rotors, Pressure, Flow (Dynamics), Computational fluid dynamics, Particulate matter, Modeling
Journal Articles

Turbine Endwall Contouring Through Advanced Optimization Techniques

M. Burigana, T. Verstraete, S. Lavagnoli
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081011.
Paper No: TURBO-22-1259
https://doi.org/10.1115/1.4062211
Published Online: April 12, 2023
View Article titled, Turbine Endwall Contouring Through Advanced Optimization Techniques
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Topics: Blades, B-splines, Design, Flow (Dynamics), Geometry, Optimization, Parametrization, Rotors, Turbines, High pressure (Physics)
Journal Articles

Effect of Solidity and Aspect Ratio on the Aerodynamic Performance of Axial-Flow Fans With 0.2 Hub-to-Tip Ratio

Massimo Masi, Piero Danieli, Andrea Lazzaretto
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081008.
Paper No: TURBO-22-1180
https://doi.org/10.1115/1.4057063
Published Online: April 10, 2023
View Article titled, Effect of Solidity and Aspect Ratio on the Aerodynamic Performance of Axial-Flow Fans With 0.2 Hub-to-Tip Ratio
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Topics: Blades, Design, Engineering prototypes, Fans, Pressure, Propellers, Rotors, Flow (Dynamics), Axial flow
Journal Articles

Manufacturing a Ceramic Turbine Rotor for a Compact Jet Engine

Bryan T. Leicht, Brian T. Bohan, Fred Schauer, Ryan Kemnitz, Lisa M. Rueschhoff, Benjamin Lam, James W. Kemp, William Costakis
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081009.
Paper No: TURBO-22-1099
https://doi.org/10.1115/1.4062124
Published Online: April 10, 2023
View Article titled, Manufacturing a Ceramic Turbine Rotor for a Compact Jet Engine
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Topics: Ceramics, Manufacturing, Rotors, Temperature, Turbines, Design, Stress, Engines, Finite element analysis
Journal Articles

Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries

Dominik Ade, Johannes Eitenmüller, Sebastian Leichtfuß, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081005.
Paper No: TURBO-22-1224
https://doi.org/10.1115/1.4062123
Published Online: April 3, 2023
View Article titled, Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries
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Topics: Annulus, Blades, Flow (Dynamics), Leakage, Leakage flows, Rotors, Vortices, Turbines, Design
Journal Articles

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

Ryosuke Seki, Toshihiko Azuma, Junji Iwatani, Akihiro Nakaniwa, Hidetaka Okui, Takanori Shibata
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071017.
Paper No: TURBO-22-1184
https://doi.org/10.1115/1.4056981
Published Online: April 3, 2023
View Article titled, Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor
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Topics: Blades, Clearances (Engineering), Compressors, Leakage, Pressure, Vortices, Surges, Rotors, Flow (Dynamics)
Journal Articles

Blade Vibration Analysis for Radial Turbine Featuring a Multi-Channel Casing Design

Ahmed Farid Ayad Hassan, Fabian F. Müller, Markus Schatz, Damian M. Vogt
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081003.
Paper No: TURBO-22-1289
https://doi.org/10.1115/1.4056985
Published Online: April 3, 2023
View Article titled, Blade Vibration Analysis for Radial Turbine Featuring a Multi-Channel Casing Design
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Topics: Blades, Computational fluid dynamics, Turbines, Vibration, Simulation, Design, Rotors, Excitation
Journal Articles

Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

Bogdan C. Cernat, Jorge Pinho, Mizuki Okada, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071014.
Paper No: TURBO-22-1331
https://doi.org/10.1115/1.4056776
Published Online: March 2, 2023
View Article titled, Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow
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Topics: Flow (Dynamics), Pressure, Rotors, Turbines, Reynolds-averaged Navier–Stokes equations, Heat transfer, Design, Cavities, Heat flux
Journal Articles

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071015.
Paper No: TURBO-22-1238
https://doi.org/10.1115/1.4056863
Published Online: March 2, 2023
View Article titled, Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Rotors
Journal Articles

Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction

Pangbo Ren, Charles Stuart, Stephen Spence, Ryosuke Inomata, Takayuki Kobayashi, Isao Morita
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071013.
Paper No: TURBO-22-1300
https://doi.org/10.1115/1.4056777
Published Online: February 10, 2023
View Article titled, Using Machine Learning for Loss Prediction in a Hybrid Meanline Modeling Method to Deliver Improved Radial Turbine Performance Prediction
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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Machine learning, Modeling, Rotors, Turbines, Nozzles, Turbochargers, Artificial neural networks
Journal Articles

Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor

Ayush Saraswat, Subhra Shankha Koley, Joseph Katz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071002.
Paper No: TURBO-22-1261
https://doi.org/10.1115/1.4056697
Published Online: February 9, 2023
View Article titled, Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Rotors, Vorticity, Stators, Vortices, Pressure, Leakage flows, Machinery
Journal Articles

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor

Nicholas H. Maher, Mark H. Ross, Scott C. Morris, Stephan Priebe, Giridhar Jothiprasad, David Allan, Gregory McNulty, Michael Macrorie, Ramakrishna Mallina
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071003.
Paper No: TURBO-22-1288
https://doi.org/10.1115/1.4056699
Published Online: February 9, 2023
View Article titled, Experimental and Computational Investigation of an Advanced Casing Treatment in a Single-Stage High-Speed Compressor
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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Pressure, Rotors, Temperature, Design
Journal Articles

Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage

Yangwei Liu, Xindi Wei, Yumeng Tang
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071004.
Paper No: TURBO-22-1301
https://doi.org/10.1115/1.4056716
Published Online: February 9, 2023
View Article titled, Investigation of Unsteady Rotor–Stator Interaction and Deterministic Correlation Analysis in a Transonic Compressor Stage
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Topics: Rotors, Stators, Compressors, Flow (Dynamics), Stress, Unsteady flow, Blades, Anisotropy
Journal Articles

Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

Richard Morrison, Stephen Spence, Charles Stuart, Sung In Kim, Andre Starke, Thomas Leonard
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2023, 145(6): 061013.
Paper No: TURBO-22-1033
https://doi.org/10.1115/1.4056388
Published Online: January 30, 2023
View Article titled, Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
Open the PDF for Investigation of a Novel Turbine Housing to Produce a Nonuniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities in another window
Topics: Design, Flow (Dynamics), Rotors, Turbines, Geometry