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Proceedings Papers

Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients

Ralph J. Volino, Matthew C. Gillcrist
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A001, June 13–17, 2022
Paper No: GT2022-78240
DOI: https://doi.org/10.1115/GT2022-78240
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Topics: Film cooling, Pressure gradient, Flow (Dynamics), Boundary layers, Heat transfer, Heat transfer coefficients, Jets, Particulate matter, Probes, Temperature profiles
Proceedings Papers

Impact of Inlet Conditions on TVF Exit Flow Field

Mattia Graiff, Marian Staggl, Christian Wakelam, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A003, June 13–17, 2022
Paper No: GT2022-80768
DOI: https://doi.org/10.1115/GT2022-80768
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Topics: Flow (Dynamics), Turbines, Engines, Design, Pressure, Aircraft engines, Architecture, Cascades (Fluid dynamics), Computation, Flow visualization
Proceedings Papers

Influence of Purge Flow Injection on the Performance of an Axial Turbine With Three-Dimensional Airfoils and Non-Axisymmetric Endwall Contouring

Lukas Schäflein, Johannes Janssen, Henri Brandies, Peter Jeschke, Stephan Behre
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A001, June 13–17, 2022
Paper No: GT2022-78057
DOI: https://doi.org/10.1115/GT2022-78057
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Topics: Airfoils, Flow (Dynamics), Turbines, Probes, Stators, Cavities, Computer simulation, Engineering simulation, Optimization, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Hot-Wire Anemometry in High Subsonic Organic Vapor Flows

Leander Hake, Stephan Sundermeier, Leon Cakievski, Joshua Bäumer, Stefan aus der Wiesche, Camille Matar, Paola Cinnella, Xavier Gloerfelt
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A007, June 13–17, 2022
Paper No: GT2022-81686
DOI: https://doi.org/10.1115/GT2022-81686
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Topics: Calibration, Flow (Dynamics), Organic Rankine cycle, Vapors, Wire
Proceedings Papers

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A009, June 13–17, 2022
Paper No: GT2022-82508
DOI: https://doi.org/10.1115/GT2022-82508
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Topics: Pressure, Leakage, Clearances (Engineering), Compacting, Pressure drop, Flow (Dynamics), Fluids, Leakage flows, Rotation, Rotors
Proceedings Papers

Development of Turbulent Quantities Inside an Axial Turbine Vane

Stephan Behre, Dragan Kožulović, Christian Hösgen, Peter Jeschke
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A014, June 7–11, 2021
Paper No: GT2021-60013
DOI: https://doi.org/10.1115/GT2021-60013
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Topics: Turbines, Turbulence, Stators, Kinetic energy, Wire, Algebra, Anisotropy, Axial flow, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Experimental Investigation of Secondary Flows and Length Reduction for a Low-Pressure Compressor Transition Duct

D. Tsakmakidou, I. Mariah, A. D. Walker, C. Hall, H. Simpson
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A005, June 7–11, 2021
Paper No: GT2021-58879
DOI: https://doi.org/10.1115/GT2021-58879
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Topics: Compressors, Ducts, Flow (Dynamics), Pressure, Engines, Boundary layers, Carbon dioxide, Design, Fuels, Rotors
Proceedings Papers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021
Paper No: GT2021-58979
DOI: https://doi.org/10.1115/GT2021-58979
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Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation
Proceedings Papers

Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A002, June 7–11, 2021
Paper No: GT2021-58661
DOI: https://doi.org/10.1115/GT2021-58661
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Topics: Film cooling, Flow (Dynamics), Turbulence, Wire, Probes, Generators, Signals, Vortices, Anisotropy, Combustion chambers
Proceedings Papers

Express Wire Coil Cladding (EW2C) As an Advanced Technology To Accelerate Additive Manufacturing and Coating

Marius Gipperich, Jan Riepe, Robin Day, Thomas Bergs
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A001, June 7–11, 2021
Paper No: GT2021-58709
DOI: https://doi.org/10.1115/GT2021-58709
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Topics: Additive manufacturing, Cladding systems (Building), Coating processes, Lasers, Metals, Winding (process), Wire
Proceedings Papers

Manufacturing Technologies for Fir Tree Slots: A Technological and Economic Evaluation

Lukas Heidemanns, Tobias Seelbach, Ugur Küpper, Martin Seimann, Thomas Bergs
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A014, June 7–11, 2021
Paper No: GT2021-59652
DOI: https://doi.org/10.1115/GT2021-59652
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Topics: Economic analysis, Electrical discharge machining, Machining, Manufacturing technology, Wire, Geometry, Manufacturing, Disks, Engines, Cutting tools
Proceedings Papers

Hot-Wire Measurements in Non-Calibrated Conditions

Yuexin Wang, Tao Guo, Huiren Zhu
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A007, June 7–11, 2021
Paper No: GT2021-59259
DOI: https://doi.org/10.1115/GT2021-59259
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Topics: Wire, Calibration, Forced convection, Pressure, Temperature, Errors, Flow (Dynamics), Heat transfer, Accuracy and precision, Computer simulation
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
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Topics: Eddies (Fluid dynamics), Engines, Simulation, Turbofans, Reynolds-averaged Navier–Stokes equations, Air flow, Blades, Flow (Dynamics), Shapes, Turbulence
Proceedings Papers

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

Marc Bolinches-Gisbert, David Cadrecha, Roque Corral, Fernando Gisbert
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A003, September 21–25, 2020
Paper No: GT2020-14224
DOI: https://doi.org/10.1115/GT2020-14224
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Topics: Airfoils, Pressure, Reynolds number, Turbines, Cascades (Fluid dynamics), Unsteady flow, Boundary layers, Graphics processing units, Runge-Kutta methods, Shear (Mechanics)
Proceedings Papers

Blade Damping Mechanisms and Some Recent Failures

Vamadevan Gowreesan, Armando Guzman, Wayne Greaves
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A001, September 21–25, 2020
Paper No: GT2020-14007
DOI: https://doi.org/10.1115/GT2020-14007
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Topics: Blades, Damping, Failure, Fatigue, Pins (Engineering), Stress corrosion cracking, Tie rods, Wire
Proceedings Papers

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

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A014, September 21–25, 2020
Paper No: GT2020-15113
DOI: https://doi.org/10.1115/GT2020-15113
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Topics: Dampers, Machinery, Springs, Damping, Design, Electrical discharge machining, Excitation, Fluid films, Shock absorbers, Vibration
Proceedings Papers

Steady and Unsteady Temperature Measurements in the Wake of a Linear Cascade With Heated Airfoils

Svenja Aberle-Kern, Thomas Ripplinger, Reinhard Niehuis
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A004, September 21–25, 2020
Paper No: GT2020-14442
DOI: https://doi.org/10.1115/GT2020-14442
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Topics: Airfoils, Cascades (Fluid dynamics), Temperature measurement, Wakes, Temperature, Fluctuations (Physics), Heat transfer, Wire, Compressors, Probes
Proceedings Papers

A Probabilistic Uncertainty Estimation Method for Turbulence Parameters Measured by Hot Wire Anemometry in Short Duration Wind Tunnels

Elissavet Boufidi, Sergio Lavagnoli, Fabrizio Fontaneto
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A009, June 17–21, 2019
Paper No: GT2019-90461
DOI: https://doi.org/10.1115/GT2019-90461
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Topics: Turbulence, Uncertainty, Wind tunnels, Wire, Time series, Turbines, Algorithms, Monte Carlo methods, Signals
Proceedings Papers

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

T. Bergs, U. Tombul, T. Herrig, A. Klink, D. Welling
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A018, June 17–21, 2019
Paper No: GT2019-91505
DOI: https://doi.org/10.1115/GT2019-91505
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Topics: Electrical discharge machining, Indexing (Machining), Wire, Machining, Disks, Aircraft propulsion, Alloys, Cutting, Engines, Machinery
Proceedings Papers

Strain Gage Ramifications on Mistuning in As-Manufactured Models and Experimental Testing

Daniel L. Gillaugh, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Joseph C. Slater
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A021, June 17–21, 2019
Paper No: GT2019-91484
DOI: https://doi.org/10.1115/GT2019-91484
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Topics: Strain gages, Testing, Materials properties, Finite element model, Blades, Engines, Rotors, Compressors, Dynamic response, Dynamics (Mechanics)