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Proceedings Papers

Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning

Frederik Popig
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A005, June 13–17, 2022
Paper No: GT2022-80464
DOI: https://doi.org/10.1115/GT2022-80464
View Paper titled, Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning
Click here to open pdf in another window PDF for Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning
Topics: Blades, Pressure, Steam turbines, Inspection, Center of mass, Airfoils, Computer-aided design, Geometry, Optical measurement, Resonance
Proceedings Papers

Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

Anna Bru Revert, Paul F. Beard, John W. Chew
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A012, June 13–17, 2022
Paper No: GT2022-82846
DOI: https://doi.org/10.1115/GT2022-82846
View Paper titled, Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
Click here to open pdf in another window PDF for Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
Topics: Acoustics, Cavities, Turbines, Waves, Flow (Dynamics), Pressure, Pressure transducers, Inspection, Measurement systems, Rotors
Proceedings Papers

Design and Validation of a Novel Turbogenerator’s Robotized Inspection System

Enrico Pignone, Alessandro Pistone, Carlo Canali, Fabrizio D’Agostino, Gianfranco Martorana
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A010, June 7–11, 2021
Paper No: GT2021-59546
DOI: https://doi.org/10.1115/GT2021-59546
View Paper titled, Design and Validation of a Novel Turbogenerator’s Robotized Inspection System
Click here to open pdf in another window PDF for Design and Validation of a Novel Turbogenerator’s Robotized Inspection System
Topics: Design, Generators, Inspection, Maintenance, Robotics, Robots, Sensors, Acoustics, Data collection, Downtime
Proceedings Papers

Rapid Defect Detection and Classification in Images Using Convolutional Neural Networks

Peter Warren, Hessein Ali, Hossein Ebrahimi, Ranajay Ghosh
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A013, June 7–11, 2021
Paper No: GT2021-59801
DOI: https://doi.org/10.1115/GT2021-59801
View Paper titled, Rapid Defect Detection and Classification in Images Using Convolutional Neural Networks
Click here to open pdf in another window PDF for Rapid Defect Detection and Classification in Images Using Convolutional Neural Networks
Topics: Artificial neural networks, Flaw detection, Optical quality control, Machine learning, Image processing, Inspection, Manufacturing, Nondestructive evaluation, Turbomachinery
Proceedings Papers

Investigation of Mistuned Oscillating Cascade Using Fully-Coupled Method

H. M. Phan, L. He
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A009, June 7–11, 2021
Paper No: GT2021-59124
DOI: https://doi.org/10.1115/GT2021-59124
View Paper titled, Investigation of Mistuned Oscillating Cascade Using Fully-Coupled Method
Click here to open pdf in another window PDF for Investigation of Mistuned Oscillating Cascade Using Fully-Coupled Method
Topics: Cascades (Fluid dynamics), Oscillations, Blades, Flutter (Aerodynamics), Damping, Dynamics (Mechanics), Fluid structure interaction, Inspection, Signals, Simulation
Proceedings Papers

A Dynamic Systems Based Approach to Estimate Cyclic and Creep Damage of a Power Turbine Blade Subjected to a Random Transient Operation

Dipankar Dua, Quang Le, Anthony Saladino, Deepak Thirumurthy, Jaskirat Singh
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A022, June 7–11, 2021
Paper No: GT2021-59390
DOI: https://doi.org/10.1115/GT2021-59390
View Paper titled, A Dynamic Systems Based Approach to Estimate Cyclic and Creep Damage of a Power Turbine Blade Subjected to a Random Transient Operation
Click here to open pdf in another window PDF for A Dynamic Systems Based Approach to Estimate Cyclic and Creep Damage of a Power Turbine Blade Subjected to a Random Transient Operation
Topics: Creep, Damage, Dynamic systems, Transients (Dynamics), Turbine blades, Engines, Stress, Instrumentation, Turbine components, Turbines
Proceedings Papers

Matrix Crack Networks in SiC/SiC Composites: In-Situ Characterisation and Metrics

S. P. Jordan, S. P. Jeffs, C. D. Newton, L. Gale, P. I. Nicholson, M. R. Bache
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A001, June 7–11, 2021
Paper No: GT2021-03796
DOI: https://doi.org/10.1115/GT2021-03796
View Paper titled, Matrix Crack Networks in SiC/SiC Composites: In-Situ Characterisation and Metrics
Click here to open pdf in another window PDF for Matrix Crack Networks in SiC/SiC Composites: In-Situ Characterisation and Metrics
Topics: Composite materials, Fracture (Materials), Damage, Temperature, Ceramic matrix composites, Acoustic emissions, Cracking (Materials), Displacement, Engineering inspection, Engineering systems and industry applications
Proceedings Papers

Computed Tomography Wall Thickness Inspection to Support Gas Turbine Blade Life Extension

Scott Hastie, Anthony Chan, Kevin Wiens, Doug Nagy, Robert Tollett, Paul Lowden
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A021, June 7–11, 2021
Paper No: GT2021-60316
DOI: https://doi.org/10.1115/GT2021-60316
View Paper titled, Computed Tomography Wall Thickness Inspection to Support Gas Turbine Blade Life Extension
Click here to open pdf in another window PDF for Computed Tomography Wall Thickness Inspection to Support Gas Turbine Blade Life Extension
Topics: Blades, Computerized tomography, Gas turbines, Inspection, Life extension, Wall thickness
Proceedings Papers

Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage

D. Barsi, D. Lengani, D. Simoni, G. Venturino, F. Bertini, M. Giovannini, F. Rubechini
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A012, June 7–11, 2021
Paper No: GT2021-59932
DOI: https://doi.org/10.1115/GT2021-59932
View Paper titled, Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage
Click here to open pdf in another window PDF for Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage
Topics: Cavities, Flow (Dynamics), Cavity flows, Rotors, Simulation, Pressure, Engines, Geometry, Inspection, Stators
Proceedings Papers

Advanced Automated GT26 Combustion Tuning for Increased Operational Flexibility and Performance

G. Singla, B. Delatti, A. Scarpato, J. Barracas, W. Wang, N. Demougeot
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A044, September 21–25, 2020
Paper No: GT2020-16086
DOI: https://doi.org/10.1115/GT2020-16086
View Paper titled, Advanced Automated GT26 Combustion Tuning for Increased Operational Flexibility and Performance
Click here to open pdf in another window PDF for Advanced Automated GT26 Combustion Tuning for Increased Operational Flexibility and Performance
Topics: Combustion, Engines, Stress, Emissions, Dynamics (Mechanics), Fuels, Inspection, Accounting, Algorithms, Combined cycles
Proceedings Papers

High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion

Andrea Ortolani, Giacomo Persico, Jernej Drofelnik, Adrian Jackson, M. Sergio Campobasso
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A012, September 21–25, 2020
Paper No: GT2020-15552
DOI: https://doi.org/10.1115/GT2020-15552
View Paper titled, High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion
Click here to open pdf in another window PDF for High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion
Topics: Floating wind turbines, Rotors, Computational fluid dynamics, Blades, Wakes, Aerodynamics, Engineering simulation, Simulation, Stress, Turbines
Proceedings Papers

Zonal Detached Eddy Simulation of the Fan-OGV Stage of a Modern Turbofan Engine

Benjamin François, Raphaël Barrier, Cyril Polacsek
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A004, September 21–25, 2020
Paper No: GT2020-14239
DOI: https://doi.org/10.1115/GT2020-14239
View Paper titled, Zonal Detached Eddy Simulation of the Fan-OGV Stage of a Modern Turbofan Engine
Click here to open pdf in another window PDF for Zonal Detached Eddy Simulation of the Fan-OGV Stage of a Modern Turbofan Engine
Topics: Eddies (Fluid dynamics), Engines, Simulation, Turbofans, Reynolds-averaged Navier–Stokes equations, Air flow, Blades, Flow (Dynamics), Shapes, Turbulence
Proceedings Papers

A Method for the Simulation of Time-Dependent In-Service Performance Change

Rich Evans, Bill Dawes, Nabil Meah, Andrey Kudryavtsev, Matthew Hunt
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A021, September 21–25, 2020
Paper No: GT2020-16320
DOI: https://doi.org/10.1115/GT2020-16320
View Paper titled, A Method for the Simulation of Time-Dependent In-Service Performance Change
Click here to open pdf in another window PDF for A Method for the Simulation of Time-Dependent In-Service Performance Change
Topics: Simulation, Geometry, Corrosion, Engineering simulation, Computers, Cost benefit analysis, Engineers, Erosion, Inspection, Modeling
Proceedings Papers

Deposition Pattern Analysis on a Fouled Multistage Test Compressor

Alessio Suman, Alessandro Vulpio, Nicola Casari, Michele Pinelli, Rainer Kurz, Klaus Brun
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T21A012, September 21–25, 2020
Paper No: GT2020-15476
DOI: https://doi.org/10.1115/GT2020-15476
View Paper titled, Deposition Pattern Analysis on a Fouled Multistage Test Compressor
Click here to open pdf in another window PDF for Deposition Pattern Analysis on a Fouled Multistage Test Compressor
Topics: Compressors, Particulate matter, Blades, Flow (Dynamics), Airfoils, Computational fluid dynamics, Computer simulation, Contamination, Dust, Engineering simulation
Proceedings Papers

Detection of Cracks in Turbomachinery Blades by Online Monitoring

Manish Kumar, Roger Heinig, Mark Cottrell, Christian Siewert, Henning Almstedt, Drew Feiner, Jerry Griffin
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A016, September 21–25, 2020
Paper No: GT2020-14813
DOI: https://doi.org/10.1115/GT2020-14813
View Paper titled, Detection of Cracks in Turbomachinery Blades by Online Monitoring
Click here to open pdf in another window PDF for Detection of Cracks in Turbomachinery Blades by Online Monitoring
Topics: Blades, Crack detection, Turbomachinery, Fracture (Materials), Inspection, Oscillating frequencies, Rotors, Separation (Technology)
Proceedings Papers

Probabilistic Fracture Mechanics for Mature Service Frame Rotors

Philipp Engels, Christian Amann, Sebastian Schmitz, Kai Kadau
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT28A005, September 21–25, 2020
Paper No: GT2020-14608
DOI: https://doi.org/10.1115/GT2020-14608
View Paper titled, Probabilistic Fracture Mechanics for Mature Service Frame Rotors
Click here to open pdf in another window PDF for Probabilistic Fracture Mechanics for Mature Service Frame Rotors
Topics: Fracture mechanics, Rotors, Cycles, Design, Disks, Risk, Blades, Failure, Forging, Gas turbines
Proceedings Papers

Blades and Vanes Platform Laser Rebuilding

A. Gabrielli, M. Moretto
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A011, September 21–25, 2020
Paper No: GT2020-15998
DOI: https://doi.org/10.1115/GT2020-15998
View Paper titled, Blades and Vanes Platform Laser Rebuilding
Click here to open pdf in another window PDF for Blades and Vanes Platform Laser Rebuilding
Topics: Blades, Lasers, Gas tungsten arc welding, Crystals, Metals, Welding, Corrosion, Engines, Fatigue, Fracture (Materials)
Proceedings Papers

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A019, September 21–25, 2020
Paper No: GT2020-15148
DOI: https://doi.org/10.1115/GT2020-15148
View Paper titled, Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers
Click here to open pdf in another window PDF for Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers
Topics: Boundary layers, Flow (Dynamics), Eigenvalues, Turbulence, Pressure gradient, Shear (Mechanics), Stress tensors, Bubbles, Displacement, Energy dissipation
Proceedings Papers

Application of Adaptive GPA to an Industrial Gas Turbine Using Field Data

Ericcson Ramadhan, Yi-Guang Li, Deplian Maherdianta
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T23A008, June 17–21, 2019
Paper No: GT2019-90686
DOI: https://doi.org/10.1115/GT2019-90686
View Paper titled, Application of Adaptive GPA to an Industrial Gas Turbine Using Field Data
Click here to open pdf in another window PDF for Application of Adaptive GPA to an Industrial Gas Turbine Using Field Data
Topics: Industrial gases, Turbines, Engines, Maintenance, Gas turbines, Compressors, Inspection, Flow (Dynamics)
Proceedings Papers

Mechanical Damage Accumulation in SiC f /SiC CMCs Characterised via In-Situ Computed X-Ray Tomography

Eleri Weston, P. Ian Nicholson, Stephen Pattison, Martin Bache
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A005, June 17–21, 2019
Paper No: GT2019-90357
DOI: https://doi.org/10.1115/GT2019-90357
View Paper titled, Mechanical Damage Accumulation in SiC f /SiC CMCs Characterised via In-Situ Computed X-Ray Tomography
Click here to open pdf in another window PDF for Mechanical Damage Accumulation in SiC f /SiC CMCs Characterised via In-Situ Computed X-Ray Tomography
Topics: Ceramic matrix composites, Damage, X-rays, Fibers, Composite materials, Inspection, Computerized tomography, Failure mechanisms, Fracture (Materials), Fracture (Process)