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Journal Articles

A Modified Loss Breakdown Approach for Axial Turbines Operating with Blended Supercritical Carbon Dioxide

Accepted Manuscript
Abdelrahman Abdeldayem, Salma Ibrahim Abdelhak Ibrahim Salah, Martin White, A.I. Sayma
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-22-1616
DOI: https://doi.org/10.1115/1.4062478
Published Online: May 5, 2023
View Article titled, A Modified Loss Breakdown Approach for Axial Turbines Operating with Blended Supercritical Carbon Dioxide
Click here to open pdf in another window PDF for A Modified Loss Breakdown Approach for Axial Turbines Operating with Blended Supercritical Carbon Dioxide
Topics: Supercritical carbon dioxide, Turbines, Boundary layers, Computational fluid dynamics, Carbon dioxide, Computer simulation, Entropy, Flow (Dynamics), Machinery, Rotors
Journal Articles

Aerodynamic Design of Cooling Guide for Electrical Machine in Electric Ducted Fan

Xuanyang Hu, Yuping Qian, Bijie Yang, Chaofan Dong, Yangjun Zhang, Weilin Zhuge
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051009.
Paper No: GTP-22-1505
DOI: https://doi.org/10.1115/1.4056016
Published Online: December 22, 2022
View Article titled, Aerodynamic Design of Cooling Guide for Electrical Machine in Electric Ducted Fan
Click here to open pdf in another window PDF for Aerodynamic Design of Cooling Guide for Electrical Machine in Electric Ducted Fan
Topics: Cooling, Design, Ducts, Guide vanes, Machinery, Winding (process), Stators
Journal Articles

A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows

Alessandro Vulpio, Stefano Oliani, Alessio Suman, Nicola Zanini, Paolo Saccenti
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011007.
Paper No: GTP-22-1399
DOI: https://doi.org/10.1115/1.4055709
Published Online: October 19, 2022
View Article titled, A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows
Click here to open pdf in another window PDF for A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows
Topics: Computational fluid dynamics, Dust, Erosion, Fans, Flow (Dynamics), Particulate matter, Simulation, Wear, Particle collisions, Blades
Journal Articles

Novel Cyclo-Nonstationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions

Alexandre Mauricio, Dustin Helm, Markus Timusk, Jerome Antoni, Konstantinos Gryllias
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041018.
Paper No: GTP-20-1600
DOI: https://doi.org/10.1115/1.4049778
Published Online: February 21, 2022
View Article titled, Novel Cyclo-Nonstationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions
Click here to open pdf in another window PDF for Novel Cyclo-Nonstationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions
Topics: Machinery, Signals, Stress, Damage, Bearings
Journal Articles

Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture

Timm Petersen, Markus Zeis, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031007.
Paper No: GTP-21-1500
DOI: https://doi.org/10.1115/1.4052562
Published Online: December 7, 2021
View Article titled, Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture
Click here to open pdf in another window PDF for Tolerance-Based Optimization of Sinking Electrical Discharge Machining for Industrial Seal Slot Manufacture
Topics: Electrical discharge machining, Fracture (Materials), Graphite, Machining, Optimization, Wear, Surface roughness, Turbines, Machinery, Mass production
Journal Articles

Off-Design of a Pumped Thermal Energy Storage Based on Closed Brayton Cycles

Guido Francesco Frate, Luigia Paternostro, Lorenzo Ferrari, Umberto Desideri
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021016.
Paper No: GTP-21-1425
DOI: https://doi.org/10.1115/1.4052426
Published Online: November 8, 2021
View Article titled, Off-Design of a Pumped Thermal Energy Storage Based on Closed Brayton Cycles
Click here to open pdf in another window PDF for Off-Design of a Pumped Thermal Energy Storage Based on Closed Brayton Cycles
Topics: Compressors, Cycles, Design, Flow (Dynamics), Machinery, Pressure, Temperature, Turbines, Thermal energy storage, Exergy
Journal Articles

Detection of Machinery Failure Signs From Big Time-Series Data Obtained by Flow Simulation of Intermediate-Pressure Steam Turbines

Kazuhiko Komatsu, Hironori Miyazawa, Cheng Yiran, Masayuki Sato, Takashi Furusawa, Satoru Yamamoto, Hiroaki Kobayashi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011007.
Paper No: GTP-21-1364
DOI: https://doi.org/10.1115/1.4052142
Published Online: October 13, 2021
View Article titled, Detection of Machinery Failure Signs From Big Time-Series Data Obtained by Flow Simulation of Intermediate-Pressure Steam Turbines
Click here to open pdf in another window PDF for Detection of Machinery Failure Signs From Big Time-Series Data Obtained by Flow Simulation of Intermediate-Pressure Steam Turbines
Topics: Blades, Computer simulation, Failure, Flow (Dynamics), Machinery, Pressure, Rotors, Stators, Steam turbines, Time series
Journal Articles

A Comparison Between Organic Rankine Cycle and Supercritical CO 2 Bottoming Cycles for Energy Recovery From Industrial Gas Turbines Exhaust Gas

Alessandra Maria Ancona, Michele Bianchi, Lisa Branchini, Andrea De Pascale, Francesco Melino, Antonio Peretto, Noemi Torricelli
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121014.
Paper No: GTP-21-1282
DOI: https://doi.org/10.1115/1.4051950
Published Online: October 12, 2021
View Article titled, A Comparison Between Organic Rankine Cycle and Supercritical CO 2 Bottoming Cycles for Energy Recovery From Industrial Gas Turbines Exhaust Gas
Click here to open pdf in another window PDF for A Comparison Between Organic Rankine Cycle and Supercritical CO 2 Bottoming Cycles for Energy Recovery From Industrial Gas Turbines Exhaust Gas
Topics: Cycles, Organic Rankine cycle, Supercritical carbon dioxide, Gas turbines, Turbines, Pressure, Exhaust systems, Temperature, Carbon dioxide, Heat recovery
Journal Articles

Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation

Grzegorz Liskiewicz, Kirill Kabalyk, Andrzej Jaeschke, Filip Grapow, Michał Kulak, Władysław Kryłłowicz, Hua Ouyang, Xin Shen
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051018.
Paper No: GTP-20-1633
DOI: https://doi.org/10.1115/1.4049770
Published Online: March 15, 2021
View Article titled, Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation
Click here to open pdf in another window PDF for Experimental Analysis of Surge-Detection System Based on Pressure Derivatives at Part-Speed Operation
Topics: Diffusers, Flow (Dynamics), Machinery, Pressure, Safety, Surges, Valves, Impellers, Compressors, Signals
Journal Articles

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061008.
Paper No: GTP-20-1481
DOI: https://doi.org/10.1115/1.4049164
Published Online: March 15, 2021
View Article titled, Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
Click here to open pdf in another window PDF for Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
Topics: Dampers, Damping, Machinery, Shock absorbers, Springs, Stiffness, Excitation, Clearances (Engineering)
Journal Articles

Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings

Kévin Rosset, Olivier Pajot, Jürg Schiffmann
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051015.
Paper No: GTP-20-1562
DOI: https://doi.org/10.1115/1.4049988
Published Online: March 11, 2021
View Article titled, Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings
Click here to open pdf in another window PDF for Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings
Topics: Bearings, Fluids, Organic Rankine cycle, Pressure, Pumps, Rotors, Turbines, Turbogenerators, Engineering prototypes, Stress
Journal Articles

Numerical Characterization of the Performance Curve of a Regenerative Pump-as-Turbine

Giulio Cantini, Simone Salvadori
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051001.
Paper No: GTP-20-1756
DOI: https://doi.org/10.1115/1.4050156
Published Online: March 8, 2021
View Article titled, Numerical Characterization of the Performance Curve of a Regenerative Pump-as-Turbine
Click here to open pdf in another window PDF for Numerical Characterization of the Performance Curve of a Regenerative Pump-as-Turbine
Topics: Machinery, Pumps, Turbines, Flow (Dynamics), Computer simulation
Journal Articles

A New Approach to Modeling Slip and Work Input for Centrifugal Compressors

Herbert M. Harrison, Nicole L. Key
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021013.
Paper No: GTP-20-1715
DOI: https://doi.org/10.1115/1.4049412
Published Online: January 18, 2021
View Article titled, A New Approach to Modeling Slip and Work Input for Centrifugal Compressors
Click here to open pdf in another window PDF for A New Approach to Modeling Slip and Work Input for Centrifugal Compressors
Topics: Compressors, Design, Flow (Dynamics), Impellers, Modeling, Errors, Mach number, Machinery, Temperature
Journal Articles

Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants

Carlo Alberto Niccolini Marmont Du Haut Champ, Paolo Silvestri, Mario Luigi Ferrari, Aristide Fausto Massardo
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121002.
Paper No: GTP-20-1539
DOI: https://doi.org/10.1115/1.4048910
Published Online: November 12, 2020
View Article titled, Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants
Click here to open pdf in another window PDF for Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants
Topics: Accelerometers, Acoustics, Compressors, Cycles, Microphones, Signal processing, Signals, Surges, Transients (Dynamics), Wavelets
Journal Articles

Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shresth
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111012.
Paper No: GTP-20-1479
DOI: https://doi.org/10.1115/1.4048797
Published Online: October 28, 2020
View Article titled, Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions
Click here to open pdf in another window PDF for Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions
Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Fluids, Leakage, Pressure, Rotors, Stiffness, Damping, Whirls
Journal Articles

Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots

Thomas Bergs, Ugur Tombul, Tim Herrig, Andreas Klink, David Welling
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091005.
Paper No: GTP-19-1466
DOI: https://doi.org/10.1115/1.4046805
Published Online: August 25, 2020
View Article titled, Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots
Click here to open pdf in another window PDF for Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots
Topics: Cutting, Electrical discharge machining, Indexing (Machining), Machinery, Machining, Wire, Nickel, Alloys
Journal Articles

Vibration-Based Condition Monitoring of Helicopter Gearboxes Based on Cyclostationary Analysis

Alexandre Mauricio, Linghao Zhou, David Mba, Konstantinos Gryllias
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031010.
Paper No: GTP-19-1314
DOI: https://doi.org/10.1115/1.4044453
Published Online: January 29, 2020
View Article titled, Vibration-Based Condition Monitoring of Helicopter Gearboxes Based on Cyclostationary Analysis
Click here to open pdf in another window PDF for Vibration-Based Condition Monitoring of Helicopter Gearboxes Based on Cyclostationary Analysis
Topics: Bearings, Condition monitoring, Electromagnetic spectrum, Mechanical drives, Optimization, Signals, Vibration, Filtration, Gears, Flaw detection
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Numerical Investigation on the Performance of a Regenerative Flow Turbine for Small-Scale Organic Rankine Cycle Systems
Click here to open pdf in another window PDF for Numerical Investigation on the Performance of a Regenerative Flow Turbine for Small-Scale Organic Rankine Cycle Systems
Topics: Flow (Dynamics), Turbines, Computational fluid dynamics, Impellers, Machinery, Organic Rankine cycle, Pressure, Turbomachinery
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
DOI: 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
Click here to open pdf in another window PDF for Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor
Topics: Compressors, Damping, Deflection, Degrees of freedom, Hammers, Rotation, Stiffness, Stress, Test facilities, Thrust
Journal Articles

Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for More Electric Aircraft and Hybrid Aircraft Concepts

Vadim Kloos, Trevor H. Speak, Robert J. Sellick, Peter Jeschke
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121201.
Paper No: GTP-18-1327
DOI: https://doi.org/10.1115/1.4040822
Published Online: November 29, 2018
View Article titled, Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for More Electric Aircraft and Hybrid Aircraft Concepts
Click here to open pdf in another window PDF for Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for More Electric Aircraft and Hybrid Aircraft Concepts
Topics: Aircraft, Design, Engines, Surges, Thrust, Turbofans, Compressors, Gears, Flight, Generators