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Proceedings Papers

Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry

Roman G. Frank, Christian Wacker, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A002, June 7–11, 2021
Paper No: GT2021-58548
DOI: https://doi.org/10.1115/GT2021-58548
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Topics: Blades, Geometry, Flow (Dynamics), Compressors, Cascades (Fluid dynamics), Chords (Trusses), Deflection, Flow separation, Impellers, Inlet guide vanes
Proceedings Papers

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A014, June 7–11, 2021
Paper No: GT2021-59426
DOI: https://doi.org/10.1115/GT2021-59426
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Topics: Heat transfer, Jets, Rotation, Cooling, Fins, Flow (Dynamics), Blades, Chords (Trusses), Coolants, Gas turbines
Proceedings Papers

Effect of Geometric Uncertainty on a One Stage Transonic Compressor of an Industrial Gas Turbine

S. Venkatesh, K. Suzuki, M. Vahdati, L. Salles, Q. Rendu
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A078, September 21–25, 2020
Paper No: GT2020-16315
DOI: https://doi.org/10.1115/GT2020-16315
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Topics: Compressors, Industrial gases, Turbines, Uncertainty, Blades, Damage, Stability, Rotors, Annulus, Chords (Trusses)
Proceedings Papers

Aerodynamic Design Aspects for Stator of Highly Loaded Tandem Bladed Axial Compressor

Ajey Singh, Chetan S. Mistry
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A062, September 21–25, 2020
Paper No: GT2020-15968
DOI: https://doi.org/10.1115/GT2020-15968
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Topics: Compressors, Design, Stators, Rotors, Flow (Dynamics), Blades, Shapes, Flow turning, Wakes, Boundary layers
Proceedings Papers

Influence of Splitter Blades on the Performance of a Single-Stage Centrifugal Compressor With Pressure Ratio 12.0

Wenchao Zhang, Zhenzhong Sun, Baotong Wang, Xinqian Zheng
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A016, September 21–25, 2020
Paper No: GT2020-14733
DOI: https://doi.org/10.1115/GT2020-14733
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Topics: Blades, Compressors, Pressure, Flow (Dynamics), Clearances (Engineering), Flow separation, Shock waves, Chords (Trusses), Computational fluid dynamics, Impellers
Proceedings Papers

Progress on Forcing Pulsations for Acoustic, Thermoacoustic or Flow Control Purpose in a Pressurised Vessel by Means of a Siren

Fabrice Giuliani, Markus Stütz, Nina Paulitsch, Lukas Andracher
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A025, September 21–25, 2020
Paper No: GT2020-16015
DOI: https://doi.org/10.1115/GT2020-16015
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Topics: Acoustics, Flow control, Vessels, Flow (Dynamics), Combustion chambers, Combustion, Pressure, Accelerometers, Calibration, Chords (Trusses)
Proceedings Papers

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A030, September 21–25, 2020
Paper No: GT2020-16032
DOI: https://doi.org/10.1115/GT2020-16032
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Topics: Additive manufacturing, Cooling, Design, Optimization, Topology, Fluids, Heat transfer, Blades, Gas turbines, Porosity
Proceedings Papers

Low Rank Education of Cascade Loss Sensitivity to Unsteady Parameters by Proper Orthogonal Decomposition

D. Lengani, D. Simoni, V. Yepmo, M. Ubaldi, P. Zunino, F. Bertini
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A021, September 21–25, 2020
Paper No: GT2020-15156
DOI: https://doi.org/10.1115/GT2020-15156
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Topics: Cascades (Fluid dynamics), Education, Principal component analysis, Eigenvalues, Flow (Dynamics), Chords (Trusses), Pressure, Approximation, Blades, Design
Proceedings Papers

Reynolds Stress Field and Turbulent Kinetic Energy Budget in a Repeating Compressor Stage

Ahmad Nawab, Feng Wang, Luca di Mare, John J. Adamczyk
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A017, September 21–25, 2020
Paper No: GT2020-14804
DOI: https://doi.org/10.1115/GT2020-14804
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Topics: Compressors, Kinetic energy, Stress, Turbulence, Flow (Dynamics), Simulation, Computation, Pressure gradient, Reynolds-averaged Navier–Stokes equations, Chords (Trusses)
Proceedings Papers

Aerodynamic Investigation of Guide Vane Configurations Downstream a Rotating Detonation Combustor

Majid Asli, Panagiotis Stathopoulos, Christian Oliver Paschereit
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A010, September 21–25, 2020
Paper No: GT2020-15360
DOI: https://doi.org/10.1115/GT2020-15360
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Topics: Combustion chambers, Explosions, Guide vanes, Exhaust systems, Flow (Dynamics), Pressure, Unsteady flow, Blades, Chords (Trusses), Combustion
Proceedings Papers

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

Daniel L. Gillaugh, Timothy J. Janczewski, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Chase Nessler
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A022, September 21–25, 2020
Paper No: GT2020-15054
DOI: https://doi.org/10.1115/GT2020-15054
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Topics: Blades, Compressors, Finite element model, Strain gages, Safety, Stress, Accounting, Chords (Trusses), Deflection, Dynamic response
Proceedings Papers

Non-Uniform Two-Phase Flow of Supercritical Carbon Dioxide Centrifugal Compressor

Wenrui Bao, Ce Yang, Li Fu, Changmao Yang, Lucheng Ji
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A001, September 21–25, 2020
Paper No: GT2020-14285
DOI: https://doi.org/10.1115/GT2020-14285
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Topics: Compressors, Supercritical carbon dioxide, Two-phase flow, Impellers, Blades, Flow (Dynamics), Pressure, Carbon dioxide, Clearances (Engineering), Strips
Proceedings Papers

Experimental Investigation on Cooling Performance of Impingement-Effusion Full Coverage Film on Suction Surface of Vane

Fan Zhang, Cunliang Liu, Shuaiqi Zhang, Lin Ye, Bingran Li
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A020, September 21–25, 2020
Paper No: GT2020-14534
DOI: https://doi.org/10.1115/GT2020-14534
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Topics: Cooling, Film cooling, Liquid crystals, Suction, Transients (Dynamics), Heat transfer coefficients, Turbulence, Chords (Trusses), Heat flux, Heating
Proceedings Papers

The Influence of Turbulence and Reynolds Number on Multiple Slot Film Cooling Over the Suction Surface

L. W. Soma, F. E. Ames, S. Acharya
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A057, September 21–25, 2020
Paper No: GT2020-15619
DOI: https://doi.org/10.1115/GT2020-15619
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Topics: Film cooling, Reynolds number, Suction, Turbulence, Cooling, Flow (Dynamics), Thin films, Geometry, Heat, Stress
Proceedings Papers

Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A059, September 21–25, 2020
Paper No: GT2020-15654
DOI: https://doi.org/10.1115/GT2020-15654
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Heat transfer, Inflow, Turbines, Turbulence, Vortices, Suction, Boundary layers, Pressure
Proceedings Papers

Endwall Heat Transfer and Cooling Performance of a Transonic Turbine Vane With Upstream Injection Flow

Zhigang Li, Bo Bai, Jun Li, Shuo Mao, Wing Ng, Hongzhou Xu, Michael Fox
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A071, September 21–25, 2020
Paper No: GT2020-16160
DOI: https://doi.org/10.1115/GT2020-16160
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Topics: Cooling, Flow (Dynamics), Heat transfer, Turbines, Coolants, Film cooling, Turbulence, Computational fluid dynamics, Cascades (Fluid dynamics), Chords (Trusses)
Proceedings Papers

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A006, September 21–25, 2020
Paper No: GT2020-15196
DOI: https://doi.org/10.1115/GT2020-15196
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Topics: Airfoils, Reynolds number, Chords (Trusses), Wind energy, Blades, Computational fluid dynamics, Computer simulation, Construction, Cycles, Design
Proceedings Papers

Theoretical and Experimental Investigation of a 34 Watt Radial-Inflow Steam Turbine With Partial-Admission

Patrick H. Wagner, Jan Van herle, Jürg Schiffmann
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A023, September 21–25, 2020
Paper No: GT2020-15804
DOI: https://doi.org/10.1115/GT2020-15804
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Topics: Inflow, Steam turbines, Blades, Design, Rotors, Steam, Flow (Dynamics), Turbines, Bearings, Chords (Trusses)
Proceedings Papers

A Steady Transonic Linear Cascade for True Scale Cooling Measurements

Jeremy Zuccarello, David Saltzman, Stephen Lynch, Shane Haydt, Christopher Whitfield
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A001, September 21–25, 2020
Paper No: GT2020-14269
DOI: https://doi.org/10.1115/GT2020-14269
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Topics: Cascades (Fluid dynamics), Cooling, Airfoils, Lasers, Blades, Flow (Dynamics), Glass, Reynolds number, Boundary layers, Chords (Trusses)
Proceedings Papers

Downstream Vortex Generators to Enhance Film-Cooling Effectiveness

Chien-Shing Lee, Kenneth M. Bryden, Tom I-P. Shih
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A009, September 21–25, 2020
Paper No: GT2020-14317
DOI: https://doi.org/10.1115/GT2020-14317
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Topics: Film cooling, Generators, Vortices, Chords (Trusses), Computational fluid dynamics, Flat plates, Pressure, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Shapes