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Journal Articles

Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point

Accepted Manuscript
Jinhong Wang, Teng Cao, Ricardo F. Martinez-Botas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1609
https://doi.org/10.1115/1.4066603
Published Online: September 23, 2024
View Article titled, Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point
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Topics: Ducts, Entropy, Flow (Dynamics), Fluids, Leakage flows, Nuclides, Pressure, Supercritical carbon dioxide, Temperature, Temperature gradient
Journal Articles

Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multicomponent Flows on Unstructured Grids Using Density-Based Solvers

Jonathan T. Lipkowicz, Simon Gövert, Bertram Janus
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011004.
Paper No: GTP-24-1341
https://doi.org/10.1115/1.4066209
Published Online: September 6, 2024
View Article titled, Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multicomponent Flows on Unstructured Grids Using Density-Based Solvers
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Topics: Combustion, Density, Energy dissipation, Entropy, Flames, Flow (Dynamics), Flux (Metallurgy), Internal energy (Physics), Kinetic energy, Pressure
Journal Articles

On the Challenges of Integrating a Rotating Detonation Combustor With an Industrial Gas Turbine and Important Design Considerations for Row-1 Blades

Dharmik S Rathod, Joseph Meadows
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121009.
Paper No: GTP-24-1340
https://doi.org/10.1115/1.4066158
Published Online: August 23, 2024
View Article titled, On the Challenges of Integrating a Rotating Detonation Combustor With an Industrial Gas Turbine and Important Design Considerations for Row-1 Blades
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Topics: Combustion chambers, Design, Ducts, Explosions, Flow (Dynamics), Nozzle guide vanes, Pressure, Turbines, Waves, Gas turbines
Journal Articles

Numerical Analysis of Unsteady Phenomena in a Contra-Rotating Stage Based on the Reduction of Local Entropy Production

Xingyu Jia, Xi Zhang, Qiushuang Yan, Zicheng Zhao
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091005.
Paper No: GTP-23-1549
https://doi.org/10.1115/1.4064557
Published Online: March 11, 2024
View Article titled, Numerical Analysis of Unsteady Phenomena in a Contra-Rotating Stage Based on the Reduction of Local Entropy Production
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Topics: Blades, Boundary layers, Clearances (Engineering), Entropy, Flow (Dynamics), Vortices, Turbulence, Optimization, Vorticity, Pressure
Journal Articles

Insights Into the Flow Field and Performance of a Boundary Layer Pump

David John Rajendran, Kyril Palaveev, Eduardo Anselmi, Mani Santhanakrishnan, Vassilios Pachidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061002.
Paper No: GTP-23-1390
https://doi.org/10.1115/1.4063834
Published Online: December 26, 2023
View Article titled, Insights Into the Flow Field and Performance of a Boundary Layer Pump
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Topics: Boundary layers, Disks, Entropy, Flow (Dynamics), Pressure, Pumps, Rotors, Design
Journal Articles

Predicting Premature Failures in Small Wind Turbines With Recurrence Plots

Juan C. Jauregui, Ignacio Torres-Contreras
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021016.
Paper No: GTP-23-1383
https://doi.org/10.1115/1.4063539
Published Online: November 21, 2023
View Article titled, Predicting Premature Failures in Small Wind Turbines With Recurrence Plots
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Topics: Signals, Wind turbines, Entropy, Failure, Accelerometers
Journal Articles

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas

Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021010.
Paper No: GTP-23-1246
https://doi.org/10.1115/1.4063577
Published Online: November 2, 2023
View Article titled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Inlet guide vanes, Pressure, Rotors, Surges, Blades, Entropy
Journal Articles

Generation of Entropy Waves by Fully Premixed Flames in a Non-Adiabatic Combustor With Hydrogen Enrichment

Alexander J. Eder, Bayu Dharmaputra, Marcel Désor, Camilo F. Silva, Alex M. Garcia, Bruno Schuermans, Nicolas Noiray, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111001.
Paper No: GTP-23-1312
https://doi.org/10.1115/1.4063283
Published Online: September 14, 2023
View Article titled, Generation of Entropy Waves by Fully Premixed Flames in a Non-Adiabatic Combustor With Hydrogen Enrichment
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Topics: Combustion chambers, Diffusion (Physics), Entropy, Flames, Hydrogen, Temperature, Waves
Journal Articles

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

Abdelrahman S. Abdeldayem, Salma I. Salah, Martin T. White, Abdulnaser I. Sayma
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2023, 145(8): 081002.
Paper No: GTP-22-1616
https://doi.org/10.1115/1.4062478
Published Online: July 11, 2023
View Article titled, A Modified Loss Breakdown Approach for Axial Turbines Operating With Blended Supercritical Carbon Dioxide
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Topics: Blades, Computational fluid dynamics, Design, Entropy, Flow (Dynamics), Rotors, Stators, Turbines
Journal Articles

A Gray Target Calculation–Cloud Gravity Center Health Assessment Method for Gas Turbine Engine

Ran Ao, Yunpeng Cao, Junqi Luan, Xiaoyu Han, Shuying Li, Li Yan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041005.
Paper No: GTP-22-1423
https://doi.org/10.1115/1.4055981
Published Online: December 8, 2022
View Article titled, A Gray Target Calculation–Cloud Gravity Center Health Assessment Method for Gas Turbine Engine
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Topics: Engines, Entropy, Gas turbines, Gravity (Force), Optimization, Sensors, Service life (Equipment), Weight (Mass), Signal to noise ratio, Algorithms
Journal Articles

An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors

Majid Asli, Panagiotis Stathopoulos
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111004.
Paper No: GTP-22-1330
https://doi.org/10.1115/1.4055490
Published Online: September 20, 2022
View Article titled, An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors
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Topics: Design, Optimization, Turbines, Entropy, Pressure, Flow (Dynamics), Explosions, Blades, Simulation, Combustion chambers
Journal Articles

A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations

Gerrit Heilmann, Tong Liu, Pedro Romero Vega, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091013.
Paper No: GTP-22-1270
https://doi.org/10.1115/1.4055189
Published Online: August 22, 2022
View Article titled, A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations
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Topics: Acoustics, Combustion chambers, Computation, Entropy, Flames, Flow (Dynamics), Heat, Stability, Fluctuations (Physics), Displacement
Journal Articles

Comparison of Blind Diagnostic Indicators for Condition Monitoring of Wind Turbine Gearbox Bearings

Junyu Qi, Alexandre Mauricio, Konstantinos Gryllias
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041019.
Paper No: GTP-20-1604
https://doi.org/10.1115/1.4049797
Published Online: February 21, 2022
View Article titled, Comparison of Blind Diagnostic Indicators for Condition Monitoring of Wind Turbine Gearbox Bearings
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Topics: Entropy, Wind turbines, Bearings
Journal Articles

Influence of Pulse Characteristics on Turbocharger Radial Turbine

Roberto Mosca, Shyang Maw Lim, Mihai Mihaescu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021018.
Paper No: GTP-21-1116
https://doi.org/10.1115/1.4052498
Published Online: December 3, 2021
View Article titled, Influence of Pulse Characteristics on Turbocharger Radial Turbine
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Topics: Cycles, Entropy, Exergy, Flow (Dynamics), Heat transfer, Turbines, Exhaust manifolds, Pulsatile flow, Turbochargers, Boundary-value problems
Journal Articles

Modeling the Transport of Fuel Mixture Perturbations and Entropy Waves in the Linearized Framework

Thomas Ludwig Kaiser, Kilian Oberleithner
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111001.
Paper No: GTP-20-1551
https://doi.org/10.1115/1.4051714
Published Online: September 3, 2021
View Article titled, Modeling the Transport of Fuel Mixture Perturbations and Entropy Waves in the Linearized Framework
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Topics: Channel flow, Entropy, Flow (Dynamics), Fluctuations (Physics), Scalars, Viscosity, Waves, Turbulence, Eddies (Fluid dynamics), Modeling
Journal Articles

Conjugate Heat Transfer Simulation and Entropy Generation Analysis of Gas Turbine Blades

Yaping Ju, Yi Feng, Chuhua Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081012.
Paper No: GTP-20-1563
https://doi.org/10.1115/1.4049989
Published Online: March 31, 2021
View Article titled, Conjugate Heat Transfer Simulation and Entropy Generation Analysis of Gas Turbine Blades
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Topics: Blades, Cooling, Ducts, Entropy, Flow (Dynamics), Gas turbines, Heat transfer, Simulation, Turbulence, Temperature
Journal Articles

Compressor Stall Warning Using Nonlinear Feature Extraction Algorithms

Fangyuan Lou, Nicole L. Key
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121005.
Paper No: GTP-20-1478
https://doi.org/10.1115/1.4048990
Published Online: November 18, 2020
View Article titled, Compressor Stall Warning Using Nonlinear Feature Extraction Algorithms
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Topics: Algorithms, Compressors, Entropy, Feature extraction, Pressure, Flow (Dynamics), Transients (Dynamics)
Journal Articles

Three-Dimensional Computational Loss Analysis of a Compressor for Heavy Duty Truck Engine Turbochargers

Matthias Abel, Ricardo F. Martinez-Botas, Michael Wöhr, Markus Müller, Johannes Leweux
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041013.
Paper No: GTP-19-1405
https://doi.org/10.1115/1.4044997
Published Online: February 3, 2020
View Article titled, Three-Dimensional Computational Loss Analysis of a Compressor for Heavy Duty Truck Engine Turbochargers
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Topics: Compressors, Entropy, Flow (Dynamics), Impellers, Turbochargers, Diffusers, Computational fluid dynamics, Friction, Engines
Journal Articles

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

Bijie Yang, Ricardo Martinez-Botas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2019, 141(10): 101012.
Paper No: GTP-19-1334
https://doi.org/10.1115/1.4044681
Published Online: September 16, 2019
View Article titled, TURBODYNA: Centrifugal/Centripetal Turbomachinery Dynamic Simulator and Its Application on a Mixed Flow Turbine
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Topics: Computational fluid dynamics, Flow (Dynamics), Rotors, Turbines, Turbomachinery, Pressure, Modeling, Entropy, Waves, Cascades (Fluid dynamics)
Journal Articles

Second-Law Thermodynamic Analysis in Premixed Flames of Ammonia and Hydrogen Binary Fuels

Jiabo Zhang, Anhao Zhong, Zhen Huang, Dong Han
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2019, 141(7): 071007.
Paper No: GTP-18-1640
https://doi.org/10.1115/1.4042412
Published Online: February 5, 2019
View Article titled, Second-Law Thermodynamic Analysis in Premixed Flames of Ammonia and Hydrogen Binary Fuels
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Topics: Chemical reactions, Entropy, Exergy, Flames, Fuels, Hydrogen, Diffusion (Physics), Combustion, Heat conduction, Pressure