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Proceedings Papers

Aerodynamic Damping of Last Stage Rotating Blades of Low Pressure Steam Turbine Determined From Vibration Test Data

Philipp Doll, Stefan Winkelmann, Fabian F. Müller, Damian M. Vogt, Jens Aschenbruck
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A013, June 13–17, 2022
Paper No: GT2022-81979
DOI: https://doi.org/10.1115/GT2022-81979
View Paper titled, Aerodynamic Damping of Last Stage Rotating Blades of Low Pressure Steam Turbine Determined From Vibration Test Data
Click here to open pdf in another window PDF for Aerodynamic Damping of Last Stage Rotating Blades of Low Pressure Steam Turbine Determined From Vibration Test Data
Topics: Damping, Pressure, Rotating blades, Steam turbines, Vibration tests, Blades, Flow (Dynamics), Signals, Stress, Turbines
Proceedings Papers

Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System

Robin Reifsnyder, Chris Keener, Randall Mathison, Kiran D’Souza
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A032, June 13–17, 2022
Paper No: GT2022-83344
DOI: https://doi.org/10.1115/GT2022-83344
View Paper titled, Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System
Click here to open pdf in another window PDF for Experimental Determination of Blade Tip Rub Forces in a Multi-Blade System
Topics: Blades, Stress, Frequency response, Gas turbines, Physics, Rotating blades, Shaft angle encoders, Turbomachinery
Proceedings Papers

Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Giovanni Ferrara, Alessandro Bianchini, Roberto Bissanti, Palmiro Bissanti
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A020, June 13–17, 2022
Paper No: GT2022-82867
DOI: https://doi.org/10.1115/GT2022-82867
View Paper titled, Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines
Click here to open pdf in another window PDF for Parametric Design of Radial Guide Vanes for Power Augmentation of Darrieus-Type Vertical-Axis Wind Turbines
Topics: Guide vanes, Parametric design, Vertical axis wind turbines, Flow (Dynamics), Simulation, Blades, Design, Engineering simulation, Rotors, Turbines
Proceedings Papers

Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

Tian Tian, Chong Sun, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A012, June 13–17, 2022
Paper No: GT2022-82207
DOI: https://doi.org/10.1115/GT2022-82207
View Paper titled, Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades
Click here to open pdf in another window PDF for Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades
Topics: Flow (Dynamics), Rotating blades, Vertical axis wind turbines
Proceedings Papers

Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part II: Effects of Mass Flow Rate and Unsteadiness

Spencer Sperling, Louis Christensen, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A003, June 13–17, 2022
Paper No: GT2022-78245
DOI: https://doi.org/10.1115/GT2022-78245
View Paper titled, Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part II: Effects of Mass Flow Rate and Unsteadiness
Click here to open pdf in another window PDF for Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part II: Effects of Mass Flow Rate and Unsteadiness
Topics: Film cooling, Flow (Dynamics), Heat transfer, Shapes, Turbine blades, Cooling, Coolants, Pressure, Turbines, Blades
Proceedings Papers

Effect of Location and Rotational Reynolds Number on Film Cooling of Rotating Blade Pressure Side

Meng Long, Li Haiwang, Xie Gang, Zhou Zhiyu
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A022, June 13–17, 2022
Paper No: GT2022-82189
DOI: https://doi.org/10.1115/GT2022-82189
View Paper titled, Effect of Location and Rotational Reynolds Number on Film Cooling of Rotating Blade Pressure Side
Click here to open pdf in another window PDF for Effect of Location and Rotational Reynolds Number on Film Cooling of Rotating Blade Pressure Side
Topics: Film cooling, Pressure, Reynolds number, Rotating blades
Proceedings Papers

Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities

Hui Tang, J. Michael Owen
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A002, June 13–17, 2022
Paper No: GT2022-80477
DOI: https://doi.org/10.1115/GT2022-80477
View Paper titled, Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities
Click here to open pdf in another window PDF for Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities
Topics: Buoyancy, Cavities, Flow (Dynamics), Heat transfer, Plumes (Fluid dynamics), Disks, Fluids, Temperature, Convection, Compressibility
Proceedings Papers

Design Considerations and Validation of a Near Wall Cooled Stator Heat Shield With Sequential Impingement Cooling

P. Peschke, S. Naik, M. Henze
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A026, June 13–17, 2022
Paper No: GT2022-82864
DOI: https://doi.org/10.1115/GT2022-82864
View Paper titled, Design Considerations and Validation of a Near Wall Cooled Stator Heat Shield With Sequential Impingement Cooling
Click here to open pdf in another window PDF for Design Considerations and Validation of a Near Wall Cooled Stator Heat Shield With Sequential Impingement Cooling
Topics: Cooling, Design, Gas turbines, Heat shielding, Heat transfer, Impingement cooling, Stators, Engines, Air flow, Flow (Dynamics)
Proceedings Papers

Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine

Soichiro Tabata, Yasuhiro Sasao, Kiyoshi Segawa
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A001, June 7–11, 2021
Paper No: GT2021-01754
DOI: https://doi.org/10.1115/GT2021-01754
View Paper titled, Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine
Click here to open pdf in another window PDF for Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine
Topics: Condensation, Equilibrium (Physics), Flow (Dynamics), Modeling, Shapes, Steam turbines, Computational fluid dynamics, Blades, Computation, Pipes
Proceedings Papers

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A001, June 7–11, 2021
Paper No: GT2021-59102
DOI: https://doi.org/10.1115/GT2021-59102
View Paper titled, A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines
Click here to open pdf in another window PDF for A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines
Topics: Actuators, Simulation, Vertical axis wind turbines, Flow (Dynamics), Blades, Computational fluid dynamics, Signals, Turbines, Filtration, Inflow
Proceedings Papers

Introductory PZT Actuators Optimal Working Configuration Experimental Study in a Turbofan Engine Fan Rotor Blade

Fabio Botta, Andrea Rossi
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A035, September 21–25, 2020
Paper No: GT2020-15547
DOI: https://doi.org/10.1115/GT2020-15547
View Paper titled, Introductory PZT Actuators Optimal Working Configuration Experimental Study in a Turbofan Engine Fan Rotor Blade
Click here to open pdf in another window PDF for Introductory PZT Actuators Optimal Working Configuration Experimental Study in a Turbofan Engine Fan Rotor Blade
Topics: Actuators, Blades, Engines, Rotors, Turbofans, Damping, Resonance, Cycles, Rotating blades, Stress
Proceedings Papers

Stress and Modal Analysis of a Rotating Blade and the Effects of Nonlocality

M. Tufekci, Q. Rendu, J. Yuan, J. P. Dear, L. Salles, A. V. Cherednichenko
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT26A008, September 21–25, 2020
Paper No: GT2020-14821
DOI: https://doi.org/10.1115/GT2020-14821
View Paper titled, Stress and Modal Analysis of a Rotating Blade and the Effects of Nonlocality
Click here to open pdf in another window PDF for Stress and Modal Analysis of a Rotating Blade and the Effects of Nonlocality
Topics: Modal analysis, Rotating blades, Stress, Blades, Elasticity, Rotors, Alloys, Boundary-value problems, Composite materials, Engines
Proceedings Papers

Acquisition and Processing Considerations for Infrared Images of Rotating Turbine Blades

Brian F. Knisely, Reid A. Berdanier, Karen A. Thole, Charles W. Haldeman, James R. Markham, Joseph E. Cosgrove, Andrew E. Carlson, James J. Scire, Jr.
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A022, September 21–25, 2020
Paper No: GT2020-15522
DOI: https://doi.org/10.1115/GT2020-15522
View Paper titled, Acquisition and Processing Considerations for Infrared Images of Rotating Turbine Blades
Click here to open pdf in another window PDF for Acquisition and Processing Considerations for Infrared Images of Rotating Turbine Blades
Topics: Turbine blades, Turbines, Sensors, Temperature measurement, Aircraft propulsion, Calibration, Computer simulation, Cooling, Energy generation, Film cooling
Proceedings Papers

An Integrated Approach to Simulate Gas Turbine Secondary Air System

Ali Izadi, Seyed Hossein Madani, Seyed Vahid Hosseini, Mahmoud Chizari
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A014, September 21–25, 2020
Paper No: GT2020-14966
DOI: https://doi.org/10.1115/GT2020-14966
View Paper titled, An Integrated Approach to Simulate Gas Turbine Secondary Air System
Click here to open pdf in another window PDF for An Integrated Approach to Simulate Gas Turbine Secondary Air System
Topics: Gas turbines, Flow (Dynamics), Design, Turbines, Computational fluid dynamics, Coolants, Disks, Engines, Heat transfer, Modeling
Proceedings Papers

Experimental and Numerical Investigations of Steam Turbine Exhaust Hood Flow Field With Two Types of Diffusers

Soichiro Tabata, Hisataka Fukushima, Kiyoshi Segawa, Koji Ishibashi, Yoshihiro Kuwamura, Hideaki Sugishita
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A014, June 17–21, 2019
Paper No: GT2019-90640
DOI: https://doi.org/10.1115/GT2019-90640
View Paper titled, Experimental and Numerical Investigations of Steam Turbine Exhaust Hood Flow Field With Two Types of Diffusers
Click here to open pdf in another window PDF for Experimental and Numerical Investigations of Steam Turbine Exhaust Hood Flow Field With Two Types of Diffusers
Topics: Diffusers, Exhaust systems, Flow (Dynamics), Steam turbines, Computational fluid dynamics, Turbines, Internal flow, Rotating blades, Blades, Kinetic energy
Proceedings Papers

Measurement and Evaluation of Shaft Torsional Vibrations Using Shaft Instantaneous Angular Velocity

Jindrich Liska, Jan Jakl, Sven Kunkel
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A020, June 11–15, 2018
Paper No: GT2018-76406
DOI: https://doi.org/10.1115/GT2018-76406
View Paper titled, Measurement and Evaluation of Shaft Torsional Vibrations Using Shaft Instantaneous Angular Velocity
Click here to open pdf in another window PDF for Measurement and Evaluation of Shaft Torsional Vibrations Using Shaft Instantaneous Angular Velocity
Topics: Vibration, Probes, Sensors, Turbines, Electricity (Physics), Failure, Fluctuations (Physics), Generators, Geometry, Resolution (Optics)
Proceedings Papers

Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow

Wolfgang Sanz, Stefan Zerobin, Manfred Egger, Pascal Bader, Paul Pieringer, Emil Göttlich, Franz Heitmeir
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A010, June 11–15, 2018
Paper No: GT2018-75642
DOI: https://doi.org/10.1115/GT2018-75642
View Paper titled, Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow
Click here to open pdf in another window PDF for Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow
Topics: Computational fluid dynamics, Flow (Dynamics), High pressure (Physics), Rotors, Simulation, Turbines, Vortices, Leakage, Vorticity, Boundary layers
Proceedings Papers

On Possibilities of Using Relative Shaft Vibration Signals for Rotating Blades Monitoring

Jindrich Liska, Vojtech Vasicek, Jan Jakl
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A032, June 11–15, 2018
Paper No: GT2018-76565
DOI: https://doi.org/10.1115/GT2018-76565
View Paper titled, On Possibilities of Using Relative Shaft Vibration Signals for Rotating Blades Monitoring
Click here to open pdf in another window PDF for On Possibilities of Using Relative Shaft Vibration Signals for Rotating Blades Monitoring
Topics: Rotating blades, Signals, Vibration, Blades, Monitoring systems, Steam turbines, Failure, Pressure, Reliability, Rotor vibration
Proceedings Papers

Vibration Analysis From Simulated Tip Timing Sensor Signal Shape Modulation

Daniel Heller, Ibrahim Sever, Christoph W. Schwingshackl
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A001, June 11–15, 2018
Paper No: GT2018-75010
DOI: https://doi.org/10.1115/GT2018-75010
View Paper titled, Vibration Analysis From Simulated Tip Timing Sensor Signal Shape Modulation
Click here to open pdf in another window PDF for Vibration Analysis From Simulated Tip Timing Sensor Signal Shape Modulation
Topics: Sensors, Shapes, Signals, Vibration analysis, Blades, Vibration, Disks, Capacitance, Dimensions, Excitation
Proceedings Papers

A Critical Analysis on Low-Order Simulation Models for Darrieus VAWTs: How Much Do They Pertain to the Real Flow?

Alessandro Bianchini, Francesco Balduzzi, Giovanni Ferrara, Giacomo Persico, Vincenzo Dossena, Lorenzo Ferrari
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A013, June 11–15, 2018
Paper No: GT2018-76623
DOI: https://doi.org/10.1115/GT2018-76623
View Paper titled, A Critical Analysis on Low-Order Simulation Models for Darrieus VAWTs: How Much Do They Pertain to the Real Flow?
Click here to open pdf in another window PDF for A Critical Analysis on Low-Order Simulation Models for Darrieus VAWTs: How Much Do They Pertain to the Real Flow?
Topics: Flow (Dynamics), Simulation models, Vertical axis wind turbines, Computational fluid dynamics, Boundary element methods, Airfoils, Rotors, Turbines, Approximation, Blades