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Journal Articles

Multi-Objective Optimization of Economy, Safety and Emissions for the Startup Scheduling of a Steam Turbine

Jianhong Chen, Ziwei Hu, Wei Li, Zhiwei Mao, Wenjian Wu, Zhenghao Gu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061004.
Paper No: GTP-22-1277
DOI: https://doi.org/10.1115/1.4056427
Published Online: January 13, 2023
View Article titled, Multi-Objective Optimization of Economy, Safety and Emissions for the Startup Scheduling of a Steam Turbine
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Topics: Damage, Emissions, Fatigue life, Optimization, Pareto optimization, Rotors, Steam turbines, Stress, Temperature, Safety
Journal Articles

Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load

Oliver Pütz
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091007.
Paper No: GTP-22-1223
DOI: https://doi.org/10.1115/1.4055017
Published Online: August 1, 2022
View Article titled, Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load
Click here to open pdf in another window PDF for Prediction of Rotating Instabilities in Low Pressure Steam Turbines Operating at Low Load
Topics: Blades, Excitation, Pressure, Transients (Dynamics), Flow (Dynamics), Resonance ionization spectroscopy, Turbines, Computation, Design, Stress
Journal Articles

Automated Crack Detection With Image Analysis for the Blades of Steam Turbine

Jun Liu, Huiwen Wang, Anyao Jiang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081001.
Paper No: GTP-21-1193
DOI: https://doi.org/10.1115/1.4054335
Published Online: June 2, 2022
View Article titled, Automated Crack Detection With Image Analysis for the Blades of Steam Turbine
Click here to open pdf in another window PDF for Automated Crack Detection With Image Analysis for the Blades of Steam Turbine
Topics: Algorithms, Blades, Crack detection, Filtration, Fracture (Materials), Steam turbines, Image processing, Inspection, Magnetic particles
Journal Articles

Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network

Ding Guo, Tianyuan Liu, Di Zhang, Yonghui Xie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021023.
Paper No: GTP-21-1525
DOI: https://doi.org/10.1115/1.4052832
Published Online: December 7, 2021
View Article titled, Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network
Click here to open pdf in another window PDF for Fast Reconstruction Method of the Stress Field for the Steam Turbine Rotor Based on Deep Fully Convolutional Network
Topics: Rotors, Steam turbines, Stress, Temperature, Stability, Finite element analysis
Journal Articles

Achieving Better Power Plant Guarantees Through a New Exergy-Based Approach for the HRSG

Raub W. Smith
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011008.
Paper No: GTP-21-1370
DOI: https://doi.org/10.1115/1.4052143
Published Online: October 13, 2021
View Article titled, Achieving Better Power Plant Guarantees Through a New Exergy-Based Approach for the HRSG
Click here to open pdf in another window PDF for Achieving Better Power Plant Guarantees Through a New Exergy-Based Approach for the HRSG
Topics: Exergy, Exhaust systems, Heat recovery steam generators, Steam, Temperature, Gas turbines, Design, Steam turbines, Pressure, Power stations
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 Comprehensive Heat Transfer Study Inside a Steam Turbine Valve: Experiment, Numerical Simulation, and Simplified Model

Xu Zhang, Hongyi Shao, Wenwu Zhou, Weizhe Wang, Yingzheng Liu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091009.
Paper No: GTP-20-1681
DOI: https://doi.org/10.1115/1.4050858
Published Online: May 4, 2021
View Article titled, A Comprehensive Heat Transfer Study Inside a Steam Turbine Valve: Experiment, Numerical Simulation, and Simplified Model
Click here to open pdf in another window PDF for A Comprehensive Heat Transfer Study Inside a Steam Turbine Valve: Experiment, Numerical Simulation, and Simplified Model
Topics: Computer simulation, Temperature, Valves, Heat transfer, Steam turbines, Heating, Heat
Journal Articles

Water Droplet Erosion Life Prediction Method for Steam Turbine Blade Materials Based on Image Recognition and Machine Learning

Zheyuan Zhang, Tianyuan Liu, Di Zhang, Yonghui Xie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031009.
Paper No: GTP-20-1628
DOI: https://doi.org/10.1115/1.4049768
Published Online: February 8, 2021
View Article titled, Water Droplet Erosion Life Prediction Method for Steam Turbine Blade Materials Based on Image Recognition and Machine Learning
Click here to open pdf in another window PDF for Water Droplet Erosion Life Prediction Method for Steam Turbine Blade Materials Based on Image Recognition and Machine Learning
Topics: Blades, Drops, Erosion, Machine learning, Steam turbines, Water, Service life (Equipment), Testing, Turbine blades, Data acquisition
Journal Articles

Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup

Dieter Bohn, Christian Betcher, Karsten Kusterer, Kristof Weidtmann
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021019.
Paper No: GTP-20-1553
DOI: https://doi.org/10.1115/1.4049352
Published Online: February 1, 2021
View Article titled, Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup
Click here to open pdf in another window PDF for Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup
Topics: Flow (Dynamics), Heat transfer, Pressure, Heat, Blades, Fluids, Steam turbines, Simulation
Journal Articles

Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade

Pascal Post, Benjamin Winhart, Francesca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021016.
Paper No: GTP-20-1526
DOI: https://doi.org/10.1115/1.4049348
Published Online: January 28, 2021
View Article titled, Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade
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Topics: Cascades (Fluid dynamics), Computation, Condensation, Drops, Flow (Dynamics), Large eddy simulation, Pressure, Reynolds-averaged Navier–Stokes equations, Sensors, Shock (Mechanics)
Journal Articles

On the Validity of Scaling Transient Conjugate Heat Transfer Characteristics

R. Maffulli, G. Marinescu, L. He
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031021.
Paper No: GTP-19-1542
DOI: https://doi.org/10.1115/1.4045868
Published Online: February 5, 2020
View Article titled, On the Validity of Scaling Transient Conjugate Heat Transfer Characteristics
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Topics: Fluids, Heat transfer, Rotors, Steam turbines, Stress, Temperature, Transients (Dynamics), Specific heat, Flow (Dynamics), Multiscale modeling
Journal Articles

Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter

Felix Koelzow, Christian Kontermann, Klaus Helbig, Dennis Jarmowski
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011008.
Paper No: GTP-19-1470
DOI: https://doi.org/10.1115/1.4045276
Published Online: November 27, 2019
View Article titled, Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter
Click here to open pdf in another window PDF for Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter
Topics: Creep, Cycles, Damage, Design, Electromagnetic scattering, Fracture (Materials), Probability, Rupture, Steel, Stress
Journal Articles

Gas Turbine Combined Cycle Flexibility: A Dynamic Model for Compressor Intake Conditioning Through a Heat-Pump

Iacopo Rossi, Luca Piantelli, Alberto Traverso
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121016.
Paper No: GTP-19-1595
DOI: https://doi.org/10.1115/1.4045358
Published Online: November 15, 2019
View Article titled, Gas Turbine Combined Cycle Flexibility: A Dynamic Model for Compressor Intake Conditioning Through a Heat-Pump
Click here to open pdf in another window PDF for Gas Turbine Combined Cycle Flexibility: A Dynamic Model for Compressor Intake Conditioning Through a Heat-Pump
Topics: Combined cycles, Compressors, Gas turbines, Heat pumps, Power stations, Stress, Temperature, Modeling, Storage, Heat recovery steam generators
Journal Articles

Thermostructural Analysis of Steam Turbine in Prewarming Operation With Hot Air

Piotr Łuczyński, Dennis Toebben, Lukas Pehle, Manfred Wirsum, Wolfgang F. D. Mohr, Klaus Helbig
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2019, 141(11): 111004.
Paper No: GTP-19-1330
DOI: https://doi.org/10.1115/1.4044311
Published Online: September 16, 2019
View Article titled, Thermostructural Analysis of Steam Turbine in Prewarming Operation With Hot Air
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Topics: Rotors, Steam turbines, Stress, Structural analysis, Temperature, Turbines, Blades, Flow (Dynamics), Heat transfer, Finite element methods
Journal Articles

Investigation of Steam Turbine Warm-Keeping by Use of Air

Dennis Toebben, Piotr Luczynski, Manfred Wirsum, Wolfgang F. D. Mohr, Klaus Helbig
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2019, 141(11): 111007.
Paper No: GTP-19-1367
DOI: https://doi.org/10.1115/1.4044363
Published Online: September 16, 2019
View Article titled, Investigation of Steam Turbine Warm-Keeping by Use of Air
Click here to open pdf in another window PDF for Investigation of Steam Turbine Warm-Keeping by Use of Air
Topics: Blades, Flow (Dynamics), Rotors, Steam, Steam turbines, Temperature, Heat transfer, Heat, Boundary-value problems, Simulation
Journal Articles

Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions

David Spura, Gunter Eschmann, Wieland Uffrecht, Uwe Gampe
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051021.
Paper No: GTP-18-1569
DOI: https://doi.org/10.1115/1.4041452
Published Online: April 8, 2019
View Article titled, Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions
Click here to open pdf in another window PDF for Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions
Topics: Cavities, Flow (Dynamics), Heat transfer coefficients, Steam turbines, Temperature, Heat transfer, Reynolds number, Space
Journal Articles

Proper Orthogonal Decomposition and Extended- Proper Orthogonal Decomposition Analysis of Pressure Fluctuations and Vortex Structures Inside a Steam Turbine Control Valve

Peng Wang, Hongyu Ma, Yingzheng Liu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041035.
Paper No: GTP-18-1455
DOI: https://doi.org/10.1115/1.4040903
Published Online: December 12, 2018
View Article titled, Proper Orthogonal Decomposition and Extended- Proper Orthogonal Decomposition Analysis of Pressure Fluctuations and Vortex Structures Inside a Steam Turbine Control Valve
Click here to open pdf in another window PDF for Proper Orthogonal Decomposition and Extended- Proper Orthogonal Decomposition Analysis of Pressure Fluctuations and Vortex Structures Inside a Steam Turbine Control Valve
Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Principal component analysis, Steam turbines, Valves, Vortices
Journal Articles

Start-Up Optimization of a CCGT Power Station Using Model-Based Gas Turbine Control

Alessandro Nannarone, Sikke A. Klein
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041018.
Paper No: GTP-18-1508
DOI: https://doi.org/10.1115/1.4041273
Published Online: December 3, 2018
View Article titled, Start-Up Optimization of a CCGT Power Station Using Model-Based Gas Turbine Control
Click here to open pdf in another window PDF for Start-Up Optimization of a CCGT Power Station Using Model-Based Gas Turbine Control
Topics: Dynamic models, Flow (Dynamics), Gas turbines, Optimization, Power stations, Rotors, Steam, Steam turbines, Stress, Temperature
Journal Articles

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part II: Effect of Axial Distance Between a Swirl Breaker and a Rotor Shroud on Efficiency Improvement

Chongfei Duan, Hisataka Fukushima, Kiyoshi Segewa, Takanori Shibata, Hidetoshi Fujii
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041003.
Paper No: GTP-18-1560
DOI: https://doi.org/10.1115/1.4041648
Published Online: November 1, 2018
View Article titled, Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part II: Effect of Axial Distance Between a Swirl Breaker and a Rotor Shroud on Efficiency Improvement
Click here to open pdf in another window PDF for Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part II: Effect of Axial Distance Between a Swirl Breaker and a Rotor Shroud on Efficiency Improvement
Topics: Cavities, Computational fluid dynamics, Flow (Dynamics), Leakage flows, Rotors, Steam turbines, Turbines, Pressure, Design
Journal Articles

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part I: Design Concept and Typical Performance of a Swirl Breaker

Takanori Shibata, Hisataka Fukushima, Kiyoshi Segewa
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041002.
Paper No: GTP-18-1578
DOI: https://doi.org/10.1115/1.4041650
Published Online: November 1, 2018
View Article titled, Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part I: Design Concept and Typical Performance of a Swirl Breaker
Click here to open pdf in another window PDF for Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part I: Design Concept and Typical Performance of a Swirl Breaker
Topics: Blades, Cavities, Computational fluid dynamics, Design, Flow (Dynamics), Leakage flows, Rotors, Steam turbines, Turbines, Shapes