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Proceedings Papers

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A029, June 13–17, 2022
Paper No: GT2022-82875
DOI: https://doi.org/10.1115/GT2022-82875
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Topics: Blades, Pressure, Turbines, Cascades (Fluid dynamics), Flat plates, Boundary layers, Dimensions, Geometry, Inflow, Pressure gradient
Proceedings Papers

Numerical Investigation of Loss Mechanisms in a Partially Loaded Supersonic ORC Axial Turbine Stage

Karl Ziaja, Pascal Post, Andreas Schramm, Ole Willers, Joerg R. Seume, Francesca di Mare
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A028, June 13–17, 2022
Paper No: GT2022-82852
DOI: https://doi.org/10.1115/GT2022-82852
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Topics: Computational fluid dynamics, Organic Rankine cycle, Turbines
Proceedings Papers

High-Fidelity CFD Analysis of In-Serviced Shrouded High-Pressure Turbine Rotor Blades

Mario Carta, Tiziano Ghisu, Shahrokh Shahpar
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A019, June 13–17, 2022
Paper No: GT2022-82171
DOI: https://doi.org/10.1115/GT2022-82171
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Topics: Blades, Computational fluid dynamics, Damage, High pressure (Physics), Reverse engineering, Rotors, Turbines
Proceedings Papers

Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A010, June 13–17, 2022
Paper No: GT2022-81204
DOI: https://doi.org/10.1115/GT2022-81204
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Topics: Flow (Dynamics), Reynolds number, Turbines, Pressure, Turbine blades, Vortices, Cascades (Fluid dynamics), Junctions, Large eddy simulation, Particulate matter
Proceedings Papers

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A025, June 13–17, 2022
Paper No: GT2022-82486
DOI: https://doi.org/10.1115/GT2022-82486
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Topics: Boundary layers, Turbine blades, Wedges, Pressure, Switches, Geometry, Vortex shedding, Airfoils, Design, Flow (Dynamics)
Proceedings Papers

Evaluation of Different Regression Models Tuned With Experimental Turbine Cascade Data

Matteo Dellacasagrande, Davide Lengani, Pietro Paliotta, Daniele Petronio, Daniele Simoni, Francesco Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A011, June 13–17, 2022
Paper No: GT2022-81357
DOI: https://doi.org/10.1115/GT2022-81357
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Topics: Cascades (Fluid dynamics), Regression models, Turbines, Databases, Accounting, Collaboration, Errors, Flow (Dynamics), Modeling, Optimization
Proceedings Papers

Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation

Deepanshu Singh, Paul F. Beard, David Cardwell, Kam S. Chana
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A005, June 13–17, 2022
Paper No: GT2022-80388
DOI: https://doi.org/10.1115/GT2022-80388
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Topics: Heat transfer, High pressure (Physics), Rotors, Test facilities, Transients (Dynamics), Turbines, Nozzle guide vanes, Gages, Heat flux, Temperature profiles
Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022
Paper No: GT2022-83473
DOI: https://doi.org/10.1115/GT2022-83473
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Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer
Proceedings Papers

Influence of the Convergent-Divergent Nozzles Arrangement Parameters on Aerodynamic Losses and Overall Supersonic Turbine Performance

Leonid Moroz, Maksym Burlaka, Aleksandr Yudin
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A031, June 13–17, 2022
Paper No: GT2022-83387
DOI: https://doi.org/10.1115/GT2022-83387
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Topics: Design, Nozzles, Turbines
Proceedings Papers

Numerical Investigation at Nominal and Off-Design Operations Of a Supersonic Turbine for Liquid Rocket Engines With Full and Partial Admission Nozzles

Keita Yamamoto, Satoshi Ukai, Osamu Fukasawa, Taro Fukuda, Hideyo Negishi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A021, June 13–17, 2022
Paper No: GT2022-82348
DOI: https://doi.org/10.1115/GT2022-82348
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Topics: Design, Nozzles, Rocket engines, Turbines, Internal flow, Energy dissipation, Flow (Dynamics), Simulation results, Engineering simulation, Flight
Proceedings Papers

An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology

Loris Simonassi, Gustavo Lopes, Samuel Gendebien, Antonino Federico Maria Torre, Marios Patinios, Sergio Lavagnoli, Nicolas Zeller, Ludovic Pintat
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A012, June 13–17, 2022
Paper No: GT2022-81566
DOI: https://doi.org/10.1115/GT2022-81566
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Topics: Cascades (Fluid dynamics), Design, Instrumentation, Pressure, Turbines, Flow (Dynamics), Blades, Aerodynamics, Engines, Mach number
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

The Role of Endwall Shape Optimization in the Design of Supersonic Turbines for Rotating Detonation Engines

Noraiz Mushtaq, Giacomo Persico, Paolo Gaetani
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A023, June 13–17, 2022
Paper No: GT2022-82424
DOI: https://doi.org/10.1115/GT2022-82424
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Topics: Design, Engines, Explosions, Shape optimization, Turbines
Proceedings Papers

Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements

Fangyuan Lou
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A013, June 13–17, 2022
Paper No: GT2022-81623
DOI: https://doi.org/10.1115/GT2022-81623
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Topics: Approximation, Combustion chambers, Gas turbines, Temperature distribution, Wavelets
Proceedings Papers

Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries

Dominik Ade, Johannes Eitenmüller, Sebastian Leichtfuß, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A008, June 13–17, 2022
Paper No: GT2022-80896
DOI: https://doi.org/10.1115/GT2022-80896
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Topics: Annulus, Flow (Dynamics), Leakage, Rotors, Turbines, Blades, Leakage flows, Vortices, Cavities, Design
Proceedings Papers

Calculating Cooled Turbine Efficiency With Weighted Cooling Flow Distributions

Reid A. Berdanier
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A022, June 13–17, 2022
Paper No: GT2022-82365
DOI: https://doi.org/10.1115/GT2022-82365
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Topics: Cooling, Flow (Dynamics), Turbines, Accounting, Annulus, Energy efficiency, Engines, Geometry, High pressure (Physics), Pressure
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Paper No: GT2022-81890
DOI: https://doi.org/10.1115/GT2022-81890
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

The Effect of Casing Coolant Injection on Aerodynamic Loss in a Linear Turbine Cascade With Tip Clearance

Dunam Hong, Minsuk Choi, Myungho Kim, Seung Jin Song
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A004, June 13–17, 2022
Paper No: GT2022-80252
DOI: https://doi.org/10.1115/GT2022-80252
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Topics: Cascades (Fluid dynamics), Clearances (Engineering), Coolants, Turbines
Proceedings Papers

Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Richard D. Sandberg, Nagabhushana Rao Vadlamani
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A026, June 13–17, 2022
Paper No: GT2022-82558
DOI: https://doi.org/10.1115/GT2022-82558
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Topics: Surface roughness, Turbine blades, Blades, Turbulence, Boundary layers, Pressure gradient, Separation (Technology), Suction, Boundary layer turbulence, Bubbles
Proceedings Papers

Numerical Analysis of an Axial High Pressure Partial Admission Turbine

Heng Hu, Per Askebjer, Magnus Genrup, Narmin Hushmandi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A015, June 13–17, 2022
Paper No: GT2022-81908
DOI: https://doi.org/10.1115/GT2022-81908
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Topics: Computational fluid dynamics, High pressure (Physics), Numerical analysis, Stress, Turbines