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Proceedings Papers

Detached Eddy Simulation: Recent Development and Application to Compressor Tip Leakage Flow

Xiao He, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A011, June 7–11, 2021
Paper No: GT2021-59077
DOI: https://doi.org/10.1115/GT2021-59077
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Topics: Compressors, Eddies (Fluid dynamics), Leakage flows, Simulation, Delay differential equations, Turbulence, Flow (Dynamics), Databases, Model development, Physics
Proceedings Papers

Unsteady Effects of Blade Row Interaction on Flow Field and Aerodynamic Performance of a Transonic Centrifugal Compressor Impeller

Kazutoyo Yamada, Kosuke Kubo, Kenichiro Iwakiri, Yoshihiro Ishikawa, Hirotaka Higashimori
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A008, June 7–11, 2021
Paper No: GT2021-59462
DOI: https://doi.org/10.1115/GT2021-59462
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Topics: Blades, Compressor impellers, Flow (Dynamics), Compressors, Impellers, Diffusers, Reynolds-averaged Navier–Stokes equations, Steady state, Annulus, Computer simulation
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

Numerical Model for Condensing Steam Through Labyrinth Seal

Ravindra G. Devi, Satyanarayanan Seshadri, Vittorio Michelassi
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A007, June 7–11, 2021
Paper No: GT2021-58736
DOI: https://doi.org/10.1115/GT2021-58736
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Topics: Computer simulation, Condensation, Drops, Leakage flows, Nucleation (Physics), Steam, Condensed matter, Flow (Dynamics), Subcooling, Computational fluid dynamics
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

Effect of an Axially Tilted Variable Stator Vane Platform on Penny Cavity and Main Flow

Johannes Janssen, Daniel Pohl, Peter Jeschke, Alexander Halcoussis, Rainer Hain, Thomas Fuchs
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A027, June 7–11, 2021
Paper No: GT2021-59182
DOI: https://doi.org/10.1115/GT2021-59182
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Topics: Cascades (Fluid dynamics), Cavities, Flow (Dynamics), Leakage flows, Particulate matter, Stators
Proceedings Papers

Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 1: Interactions With the Primary Flow

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A041, June 7–11, 2021
Paper No: GT2021-60103
DOI: https://doi.org/10.1115/GT2021-60103
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Topics: Cavity flows, Compressors, Flow (Dynamics), Leakage flows, Stators
Proceedings Papers

Flow Physics in a Large Rotor Tip Gap in a Multi-Stage Axial Compressor

Chunill Hah
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A015, June 7–11, 2021
Paper No: GT2021-58745
DOI: https://doi.org/10.1115/GT2021-58745
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Topics: Compressors, Flow (Dynamics), Physics, Rotors, Eddies (Fluid dynamics), Viscosity, Pressure, Turbulence, Blades, Anisotropy
Proceedings Papers

Numerical Evaluation of Losses in Shrouded and Cantilevered Stators of a Multi-Stage Axial Compressor

Ilaria De Dominicis, Sebastian Robens, Volker Gümmer
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A003, June 7–11, 2021
Paper No: GT2021-58388
DOI: https://doi.org/10.1115/GT2021-58388
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Topics: Compressors, Stators, Flow (Dynamics), Leakage, Pressure, Cavities, Computational fluid dynamics, Engineering simulation, Engineers, Entropy
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

Details of Shrouded Stator Hub Cavity Flow in a Multi-Stage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

Nitya Kamdar, Fangyuan Lou, Nicole L. Key
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A042, June 7–11, 2021
Paper No: GT2021-60115
DOI: https://doi.org/10.1115/GT2021-60115
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Topics: Cavity flows, Compressors, Leakage flows, Stators, Wells
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

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based On the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Tianhao Wang, Zhigang Li, Jun Li
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A015, June 7–11, 2021
Paper No: GT2021-59568
DOI: https://doi.org/10.1115/GT2021-59568
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Topics: Flow (Dynamics), Leakage, Pressure, Clearances (Engineering), Sealing (Process), Damping, Excitation, Fluids, Leakage flows, Rotors
Proceedings Papers

Numerical Investigations on the Effect of Pivot Shapes in Part Clearance Flow Field of Variable Area LP Turbine Nozzle Vane

Hardikkumar Bhavsar, Chetan S. Mistry
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A029, September 21–25, 2020
Paper No: GT2020-15969
DOI: https://doi.org/10.1115/GT2020-15969
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Topics: Clearances (Engineering), Flow (Dynamics), Nozzles, Shapes, Turbines, Leakage flows, Engines, Leakage, Design, Entropy
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

Methods to Have Tighter Clearance in Gas Turbine: Turbine Section

Santhana G. Babu, Kammalapalli Ramesh, Leonardo Tognarelli
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A030, September 21–25, 2020
Paper No: GT2020-15973
DOI: https://doi.org/10.1115/GT2020-15973
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Topics: Clearances (Engineering), Gas turbines, Turbines, Design, Honeycomb structures, Pressure, Rotors, Damage, Flow (Dynamics), Heat
Proceedings Papers

Numerical Study of Influence of Rotor Tip Gap Increase due to Age Deterioration in 3-Stage Gas Turbine

Koichi Yonezawa, Junichi Sakamoto, Kazuyasu Sugiyama, Shuichi Ohmori, Shuichi Umezawa
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A034, September 21–25, 2020
Paper No: GT2020-16270
DOI: https://doi.org/10.1115/GT2020-16270
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Topics: Gas turbines, Rotors, Blades, Clearances (Engineering), Computational fluid dynamics, Simulation, Boundary-value problems, Entropy, Flow (Dynamics), Heat
Proceedings Papers

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

Martina Ricci, Roberto Pacciani, Michele Marconcini, Andrea Arnone
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A021, September 21–25, 2020
Paper No: GT2020-14797
DOI: https://doi.org/10.1115/GT2020-14797
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Topics: Cascades (Fluid dynamics), Compressors, Dynamics (Mechanics), Leakage, Reynolds-averaged Navier–Stokes equations, Vortices, Blades, Design, Flow (Dynamics), Turbulence
Proceedings Papers

Investigation of the Flow Field and the Pressure Recovery in a Gas Turbine Exhaust Diffuser at Design, Part-Load and Over-Load Condition

Maximilian Bauer, Simon Hummel, Markus Schatz, Martin Kegalj, Damian M. Vogt
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A009, September 21–25, 2020
Paper No: GT2020-14310
DOI: https://doi.org/10.1115/GT2020-14310
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Topics: Design, Diffusers, Exhaust systems, Flow (Dynamics), Gas turbines, Pressure, Stress, Computational fluid dynamics, Separation (Technology), Mach number