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Proceedings Papers

Evaluating the Influence of Rotor-Casing Eccentricity on Turbine Efficiency Including Time-Resolved Flow Field Measurements

Eric T. DeShong, Shawn Siroka, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A005, June 7–11, 2021
Paper No: GT2021-59112
DOI: https://doi.org/10.1115/GT2021-59112
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Topics: Flow (Dynamics), Rotors, Turbines, Clearances (Engineering), Engines, Analytical methods, Bearings, Blades, Control systems, Gas turbines
Proceedings Papers

Comparison Study on Stage Performance of Centrifugal Compressors With Shrouded and Unshrouded Impellers

Guang Xi, Chenxi Zhao, Yonghong Tang, Zhiheng Wang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A013, June 7–11, 2021
Paper No: GT2021-59902
DOI: https://doi.org/10.1115/GT2021-59902
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Topics: Compressors, Impellers, Blades, Clearances (Engineering), Design, Geometry, Centrifugal force, Computational fluid dynamics, Flow (Dynamics), Leakage
Proceedings Papers

Multi-Objective Optimization of Turbine Blade Tip With Film Cooling Holes

Shuai Yang, Min Zhang, Yan Liu, Jinguang Yang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A017, June 7–11, 2021
Paper No: GT2021-60126
DOI: https://doi.org/10.1115/GT2021-60126
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Topics: Computer simulation, Cooling, Film cooling, Pareto optimization, Turbine blades, Blades, Heat transfer, Cascades (Fluid dynamics), Computational fluid dynamics, Leakage flows
Proceedings Papers

Investigations on the Aerothermal Performance Uncertainty Quantification of the Turbine Blade Squealer Tip

Ming Huang, Zhigang Li, Jun Li, Liming Song
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A008, June 7–11, 2021
Paper No: GT2021-59033
DOI: https://doi.org/10.1115/GT2021-59033
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Topics: Turbine blades, Uncertainty quantification, Design, Uncertainty, Geometry, Heat transfer, Rotors, Clearances (Engineering), Film cooling, Heat flux
Proceedings Papers

CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Tingcheng Wu, Luis San Andrés, Xueliang Lu
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A005, June 7–11, 2021
Paper No: GT2021-58631
DOI: https://doi.org/10.1115/GT2021-58631
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Topics: Computational fluid dynamics, Pumps, Damping, Pressure, Engineering simulation, Excitation, Flow (Dynamics), Rotors, Simulation, Stability
Proceedings Papers

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Min Zhang, Dara W. Childs
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A021, June 7–11, 2021
Paper No: GT2021-60106
DOI: https://doi.org/10.1115/GT2021-60106
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Topics: Clearances (Engineering), Laminar flow, Pumps
Proceedings Papers

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A013, June 7–11, 2021
Paper No: GT2021-58996
DOI: https://doi.org/10.1115/GT2021-58996
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Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)
Proceedings Papers

Static Performance of Smooth Liquid Annular Seals in the Transition and Turbulent Regimes

Dara W. Childs, Joshua Bullock
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A002, June 7–11, 2021
Paper No: GT2021-58543
DOI: https://doi.org/10.1115/GT2021-58543
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Topics: Turbulence, Flow (Dynamics), Reynolds number, Clearances (Engineering), Displacement, Flowmeters, Friction, Leakage, Pressure, Pressure drop
Proceedings Papers

Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions

Luis San Andrés, Hussain Kaizar, Hardik Jani, Manish Thorat
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A017, June 7–11, 2021
Paper No: GT2021-59401
DOI: https://doi.org/10.1115/GT2021-59401
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Topics: Copper, Journal bearings, Steel, Bearings, Stress, Temperature, Stiffness, Clearances (Engineering), Damping, Drag (Fluid dynamics)
Proceedings Papers

Theoretical Study on Static Performance of Double-Bump Foil Bearings

Fangcheng Xu, Jianhua Chu, Wenlin Luan, Guang Zhao
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A019, June 7–11, 2021
Paper No: GT2021-59937
DOI: https://doi.org/10.1115/GT2021-59937
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Topics: Clearances (Engineering), Energy consumption, Foil bearings, Friction, Stiffness, Stress
Proceedings Papers

Effective Clearance And Differential Gapping Impact on Seal Flutter Modelling and Validation

Roque Corral, Michele Greco, Almudena Vega
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A006, June 7–11, 2021
Paper No: GT2021-58846
DOI: https://doi.org/10.1115/GT2021-58846
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Topics: Clearances (Engineering), Flutter (Aerodynamics), Modeling, Stability, Accounting, Cavities, Computer simulation, Engineering simulation, Kinetic energy, Navier-Stokes equations
Proceedings Papers

On Virtual Clearance Monitoring of Steam Turbine by Using Model Order Reduction

Hiroshi Ito, Shoichiro Hosomi, Norikazu Tezuka, Tomohiro Ishida
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A002, June 7–11, 2021
Paper No: GT2021-59003
DOI: https://doi.org/10.1115/GT2021-59003
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Topics: Clearances (Engineering), Steam turbines, Sensors, Errors, Rotors, Data fusion, Finite element analysis, Stress, Finite element model, High temperature
Proceedings Papers

Design and Analysis of Cooling Structure for Dry Gas Seal Chamber of Supercritical Carbon Dioxide Turbine Shaft End

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A012, June 7–11, 2021
Paper No: GT2021-59177
DOI: https://doi.org/10.1115/GT2021-59177
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Topics: Cooling, Design, Supercritical carbon dioxide, Turbines, Temperature, Deformation, Leakage, Clearances (Engineering), Compressors, Flow (Dynamics)
Proceedings Papers

Optimization of a Tip Appendage for the Control of Tip Leakage Vortices in Axial Flow Fans

Thomas O. Meyer, Sybrand J. van der Spuy, Christiaan J. Meyer, Alessandro Corsini
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A007, June 7–11, 2021
Paper No: GT2021-59465
DOI: https://doi.org/10.1115/GT2021-59465
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Topics: Axial flow, Fans, Leakage, Optimization, Vortices, Design, Performance characterization, Databases, Experimental design, Geometry
Proceedings Papers

Experimental Study on Different Tip Clearance of Low-Speed Axial Fan

Ming Zhang, Jia Li, Xu Dong, Dakun Sun, Xiaofeng Sun
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A037, June 7–11, 2021
Paper No: GT2021-59899
DOI: https://doi.org/10.1115/GT2021-59899
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Topics: Clearances (Engineering)
Proceedings Papers

Effect of Differential Tip Clearance on the Performance of a Tandem Rotor

Amit Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A023, June 7–11, 2021
Paper No: GT2021-59007
DOI: https://doi.org/10.1115/GT2021-59007
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Topics: Clearances (Engineering), Rotors, Vortices, Pressure, Pressure gradient, Blades, Design, Engines, Flow (Dynamics), Leakage
Proceedings Papers

Numerical Investigations on Application of Cantilever Stator on Aerodynamic Performance of Tandem Bladed Axial-Flow Compressor

Bhanu Pratap Singh Tanwar, Ajey Singh, Chetan S. Mistry
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A043, June 7–11, 2021
Paper No: GT2021-60233
DOI: https://doi.org/10.1115/GT2021-60233
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Topics: Axial flow, Cantilevers, Compressors, Stators, Flow (Dynamics), Momentum, Clearances (Engineering), Corners (Structural elements), Rotors, Blades
Proceedings Papers

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A009, June 7–11, 2021
Paper No: GT2021-59227
DOI: https://doi.org/10.1115/GT2021-59227
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Topics: Flow (Dynamics), Turbines, Blades, Rotors, Annulus, Disks, Stators, Clearances (Engineering), Engines, Entropy
Proceedings Papers

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Zihao Bao, Zhihai Kou, Bo Han, Guangchao Li
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A003, June 7–11, 2021
Paper No: GT2021-58889
DOI: https://doi.org/10.1115/GT2021-58889
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Topics: Aircraft engines, Blades, Clearances (Engineering), Film cooling, High pressure (Physics), Leakage, Leakage flows, Rotors, Stators, Turbines
Proceedings Papers

Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems

Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Laurent Descamps, Maxime Rotenberg
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A007, June 7–11, 2021
Paper No: GT2021-59158
DOI: https://doi.org/10.1115/GT2021-59158
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Topics: Clearances (Engineering), Control systems, Cooling, Flow (Dynamics), Heat transfer, Pipes