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Proceedings Papers

Proceedings Volume Cover
ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition
September 21–25, 2020
Virtual, Online
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
978-0-7918-8407-2
Volume 2B: Turbomachinery

Axial Flow Turbine Aerodynamics

The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade
Tobias Schubert, Silvio Chemnitz, Reinhard Niehuis
GT 2020; V02BT33A001https://doi.org/10.1115/GT2020-14242
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Topics: Boundary layers , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Turbines , Wakes , Design , Inflow , Blades , Flat plates
Axisymmetric Tip Gap Profiling in a Shroudless Axial Turbine
M. Abda, M. G. Rose
GT 2020; V02BT33A002https://doi.org/10.1115/GT2020-14301
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Topics: Turbines , Flow (Dynamics) , Leakage , Blades , Design , Leakage flows , Pressure , Rotors , Vortices , Bubbles
Volumetric Velocimetry Measurements of Purge-Mainstream Interaction in a 1-Stage Turbine
A. J. Carvalho Figueiredo, B. D. J. Schreiner, A. W. Mesny, O. J. Pountney, J. A. Scobie, Y. S. Li, D. J. Cleaver, C. M. Sangan
GT 2020; V02BT33A003https://doi.org/10.1115/GT2020-14307
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Topics: Turbines , Flow (Dynamics) , Blades , Computational fluid dynamics , Vortices , Compressors , Computation , Convection , Cooling , Disks
Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine
Maxime Fiore
GT 2020; V02BT33A004https://doi.org/10.1115/GT2020-14325
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Topics: Flow (Dynamics) , Mach number , Pressure , Turbines , Blades , Boundary layers , Gas turbines , Kinetic energy , Nozzle guide vanes , Reynolds number
Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors
Marcel Börner, Reinhard Niehuis
GT 2020; V02BT33A005https://doi.org/10.1115/GT2020-14386
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Topics: Dynamics (Mechanics) , Flow (Dynamics) , Sensors , Shock waves , Turbines , Bubbles , Separation (Technology) , Boundary layers , Mach number , Suction
A New Multi-Stage Turbine Stator Design for Improved Performance Retention
Heather K. Jameson, John P. Longley
GT 2020; V02BT33A006https://doi.org/10.1115/GT2020-14407
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Topics: Design , Stators , Turbines , Vortices , Rotors , Cavities , Flow (Dynamics) , Leakage , Leakage flows , Separation (Technology)
High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses
Yaomin Zhao, Richard D. Sandberg
GT 2020; V02BT33A007https://doi.org/10.1115/GT2020-14445
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Topics: Engineering simulation , High pressure (Physics) , Mach number , Simulation , Turbines , Blades , Turbulence , Boundary layers , Flow (Dynamics) , Shock (Mechanics)
Optimization of Supersonic Axial Turbine Blades Based on Surrogate Models
Markus Waesker, Bjoern Buelten, Norman Kienzle, Christian Doetsch
GT 2020; V02BT33A008https://doi.org/10.1115/GT2020-14465
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Topics: Impulse (Physics) , Optimization , Turbine blades , Turbines
Interpretation of Low-Pressure Turbine Profile Loss Generation Mechanisms From a Viewpoint of Blade Drag Forces
Hidekazu Kodama, Ken-ichi Funazaki
GT 2020; V02BT33A009https://doi.org/10.1115/GT2020-14519
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Topics: Blades , Drag (Fluid dynamics) , Pressure , Turbines , Form drag , Friction , Reynolds number , Boundary layers , Bubbles , Cascades (Fluid dynamics)
A Bayesian Approach for the Identification of Cascade Loss Model Strategy
Daniele Simoni, Davide Lengani, Daniele Petronio, Francesco Bertini
GT 2020; V02BT33A010https://doi.org/10.1115/GT2020-14625
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Topics: Cascades (Fluid dynamics) , Accounting , Approximation , Design , Fittings , Flow (Dynamics) , Inflow , Polynomials , Pressure , Probability
A CFD-Based Prediction Method for Tip Clearance Losses and Deviations in Axial Turbines
Clemens Buske
GT 2020; V02BT33A011https://doi.org/10.1115/GT2020-14645
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Topics: Clearances (Engineering) , Computational fluid dynamics , Turbines , Flow (Dynamics) , Blades , Engineering simulation , Rotors , Simulation , Boundary layers , Geometry
Unsteady Steam Turbine Optimization Using High Fidelity CFD
Vahid Iranidokht, Ilias Papagiannis, Anestis Kalfas, Reza Abhari, Shigeki Senoo, Kazuhiro Momma
GT 2020; V02BT33A012https://doi.org/10.1115/GT2020-14674
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Topics: Computational fluid dynamics , Optimization , Steam turbines
Hybrid RANS/LES Simulation of Combustor/Turbine Interactions
Guoping Xia, Georgi Kalitzin, Jin Lee, Gorazd Medic, Om Sharma
GT 2020; V02BT33A013https://doi.org/10.1115/GT2020-14873
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Topics: Combustion chambers , Reynolds-averaged Navier–Stokes equations , Simulation , Turbines , Flow (Dynamics) , High pressure (Physics) , Temperature profiles , Blades , Computational fluid dynamics , Design
Experimental and Numerical Study of Laminar-Turbulent Transition on a Low-Pressure Turbine Outlet Guide Vane
Isak Jonsson, Srikanth Deshpande, Valery Chernoray, Oskar Thulin, Jonas Larsson
GT 2020; V02BT33A014https://doi.org/10.1115/GT2020-14990
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Topics: Computational fluid dynamics , Flow (Dynamics) , Guide vanes , Pressure , Thermography , Turbines , Turbulence
Effects of Casing Relative Motion on Aerodynamic Performance With Modified Designs of Winglet and Squealer Tip
Anmol Garg, Sachin Singh Rawat, B. V. S. S. S. Prasad
GT 2020; V02BT33A015https://doi.org/10.1115/GT2020-15003
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Topics: Blades , Cavities , Design , Flow (Dynamics) , Geometry , Heat transfer , High pressure (Physics) , Leakage , Leakage flows , Momentum
Aerodynamic Performance Investigation of Turbine in the Event of One Blade Primary Fracture Failure
Shenghui Zhang, Shuiting Ding, Tian Qiu
GT 2020; V02BT33A016https://doi.org/10.1115/GT2020-15152
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Topics: Blades , Failure , Fracture (Materials) , Fracture (Process) , Safety , Turbine blades , Turbines
Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage
Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
GT 2020; V02BT33A017https://doi.org/10.1115/GT2020-15258
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Topics: Turbines , Flow (Dynamics) , Blades , Cascades (Fluid dynamics) , Design , Shapes , Corners (Structural elements) , Jets , Particulate matter , Pressure
Secondary Flow Response to Endwall Jets in a Low Pressure Turbine
Nathan Fletcher, Christopher R. Marks, Molly H. Donovan
GT 2020; V02BT33A018https://doi.org/10.1115/GT2020-15284
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Topics: Flow (Dynamics) , Jets , Pressure , Turbines , Vortices , Blades , Cascades (Fluid dynamics) , Design , Dynamics (Mechanics) , Excitation
Effects of Circumferential Nonuniform Tip Clearance on Flow Field and Performance of a Transonic Turbine
Yun Zheng, Xiubo Jin, Hui Yang, Qingzhe Gao, Kang Xu
GT 2020; V02BT33A019https://doi.org/10.1115/GT2020-15295
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Topics: Clearances (Engineering) , Flow (Dynamics) , Turbines
Generation and Development of Klebanoff Streaks in Low-Pressure Turbine Cascade Under Upstream Wakes
Shuang Sun, Xingshuang Wu, Tianrong Tan, Canlin Zuo, Sirui Pan, Fulin Liu
GT 2020; V02BT33A020https://doi.org/10.1115/GT2020-15313
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Topics: Cascades (Fluid dynamics) , Pressure , Shear (Mechanics) , Turbines , Wakes
Effect of Jets in Crossflow in Deposition Mitigation on Full 3D NGV With Endwall Features
Stefano Oliani, Nicola Casari, Michele Pinelli, Alessio Suman, Mauro Carnevale
GT 2020; V02BT33A021https://doi.org/10.1115/GT2020-15367
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Topics: Jets , Nozzle guide vanes , Particulate matter , Aerodynamics , Aircraft , Flow (Dynamics) , Airfoils , Cascades (Fluid dynamics) , Compressors , Computational fluid dynamics
Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach
Maxime Perini, Nicolas Binder, Yannick Bousquet, Eric Schwartz
GT 2020; V02BT33A022https://doi.org/10.1115/GT2020-15422
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Topics: Cavities , Flow (Dynamics) , Pressure , Turbines , Simulation , Cavity flows , Computation , Entropy , Optimization , Rotors
Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
GT 2020; V02BT33A023https://doi.org/10.1115/GT2020-15484
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Topics: Computational fluid dynamics , Design , Turbines
Improving Characteristics of a Cooled Transonic Vane of Low Pressure Turbine Under Nonuniform Inlet Conditions
A. V. Granovskiy, I. V. Afanasiev, V. K. Kostege, E. Yu. Marchukov
GT 2020; V02BT33A024https://doi.org/10.1115/GT2020-15589
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Topics: Flow (Dynamics) , Pressure , Turbines
Numerical Investigation on Unsteady Characteristics in Different Rim Seal Geometries: Part B
Zengyan Lian, Qiang Du, Guang Liu, Ruonan Wang, Lei Xie
GT 2020; V02BT33A025https://doi.org/10.1115/GT2020-15607
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Topics: Blades , Computation , Computational fluid dynamics , Disks , Flow (Dynamics) , Gas turbines , Pressure , Reynolds-averaged Navier–Stokes equations , Rotors , Sealants
Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine Realistic Flow Conditions
Valentin Vikhorev, Valery Chernoray, Oskar Thulin, Srikanth Deshpande, Jonas Larsson
GT 2020; V02BT33A026https://doi.org/10.1115/GT2020-15734
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Topics: Engines , Flow (Dynamics) , Guide vanes , Pressure , Turbines
Effects of Shock Wave Development on Secondary Flow Behavior in Linear Turbine Cascade at Transonic Condition
Hoshio Tsujita, Masanao Kaneko
GT 2020; V02BT33A027https://doi.org/10.1115/GT2020-15772
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Topics: Cascades (Fluid dynamics) , Computational fluid dynamics , Flow (Dynamics) , Shock waves , Transonic flow , Turbines
Effects of Trailing Edge Thickness and Blade Loading Distribution on the Aerodynamic Performance of Simulated CMC Turbine Blades
Paul W. Giel, Vikram Shyam, Paht Juangphanich, John P. Clark
GT 2020; V02BT33A028https://doi.org/10.1115/GT2020-15802
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Topics: Blades , Ceramic matrix composites , Turbine blades , Reynolds number , Turbulence , Cascades (Fluid dynamics) , Chords (Trusses) , Design , Dimensions , Mach number
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
GT 2020; V02BT33A029https://doi.org/10.1115/GT2020-15969
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Topics: Clearances (Engineering) , Flow (Dynamics) , Nozzles , Shapes , Turbines , Leakage flows , Engines , Leakage , Design , Entropy
Methods to Have Tighter Clearance in Gas Turbine: Turbine Section
Santhana G. Babu, Kammalapalli Ramesh, Leonardo Tognarelli
GT 2020; V02BT33A030https://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
Experimental Study on Aerodynamic Loss and Heat Transfer for Various Squealer Tips
Jin-sol Jung, Inkyom Kim, Jin Sung Joo, Sang Woo Lee
GT 2020; V02BT33A031https://doi.org/10.1115/GT2020-16046
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Topics: Axial flow , Cascades (Fluid dynamics) , Clearances (Engineering) , Gas turbines , Heat transfer , Pressure , Stress , Suction , Turbines
Exploring Topology Optimisation of High Pressure Turbine Blade Tips
Luka Vincekovic, Alistair John, Ning Qin, Shahrokh Shahpar
GT 2020; V02BT33A032https://doi.org/10.1115/GT2020-16059
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Topics: High pressure (Physics) , Optimization , Topology , Turbine blades , Blades , Design , Geometry , Rotors , Shapes , Turbines
Effect of Suction Side Jet on the Shock Wave Boundary Layer Interaction in Transonic Turbine
Liu Jian, Duan Wenhua, Zhang Liangji, Qiao Weiyang
GT 2020; V02BT33A033https://doi.org/10.1115/GT2020-16256
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Topics: Boundary layers , Separation (Technology) , Shock waves , Suction , Turbines
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
GT 2020; V02BT33A034https://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
The Influence of Mach Number on the Boundary Layer Development of High-Lift Low Pressure Turbine in Low Reynolds Number
Wenhua Duan, Jian Liu, Weiyang Qiao
GT 2020; V02BT33A035https://doi.org/10.1115/GT2020-16278
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Topics: Boundary layers , Mach number , Pressure , Reynolds number , Turbines

Deposition, Erosion, Fouling, and Icing

The Effect of Sand Erosion on a Compressor Blade and its Modal Properties
Robby Weber, Arnold Kühhorn, Thomas Klauke, Sven Schrape
GT 2020; V02BT34A001https://doi.org/10.1115/GT2020-14045
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Topics: Blades , Compressors , Erosion , Sands , Engines , Airfoils , Damage , Design , High cycle fatigue , Wear
The Formation of High Temperature Minerals From an Evaporite-Rich Dust in Gas Turbine Engine Ingestion Tests
Jacob Elms, Alison Pawley, Nicholas Bojdo, Merren Jones, Rory Clarkson
GT 2020; V02BT34A002https://doi.org/10.1115/GT2020-14236
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Topics: Dust , Gas turbines , High temperature , Minerals
Deposition of Fuel Impurities Within Thermal Barrier Coatings in Gas Turbine Hot Gas Paths
Christian Holländer, Werner Stamm, Oliver Lüsebrink, Harald Harders, Lorenz Singheiser
GT 2020; V02BT34A003https://doi.org/10.1115/GT2020-14480
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Topics: Fuels , Gas turbines , Thermal barrier coatings , Diffusion (Physics) , Equilibrium (Physics) , Pressure , Vapor deposition , Blades , Condensation , Engines
Numerical Analysis of Particle Deposition in an Aircraft Engine Compressor Cascade
Nicola Casari, Johannes Altmeppen, Christian Koch, Michele Pinelli, Stephan Staudacher, Alessio Suman, Alessandro Vulpio
GT 2020; V02BT34A004https://doi.org/10.1115/GT2020-14506
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Topics: Aircraft engines , Cascades (Fluid dynamics) , Compressors , Numerical analysis , Particulate matter , Flow (Dynamics) , Adhesion , Computer simulation , Engines , Gas turbines
Turbine Nozzle Insert Clogging With Seeded Medium Size Particles
Hongzhou Xu, Kevin Liu, Michael Fox
GT 2020; V02BT34A005https://doi.org/10.1115/GT2020-14522
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Topics: Nozzles , Particulate matter , Turbines , Engines , Pressure , Coating processes , Coatings , Cooling , Design , Filtration
Improving Gas Turbine Performance Through Reassembling Degraded Components: An Experimental and Computational Study
Shuocheng Xia, Zhongran Chi, Shusheng Zang, Hui Wang
GT 2020; V02BT34A006https://doi.org/10.1115/GT2020-14627
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Topics: Gas turbines , Engines , Computational fluid dynamics , Maintenance , Simulation , Thermal efficiency , Compressors , Flow (Dynamics) , Testing performance , Turbines
Ice Crystal Icing Investigation on a Honeywell Uncertified Research Engine in an Altitude Simulation Icing Facility
Ashlie B. Flegel
GT 2020; V02BT34A007https://doi.org/10.1115/GT2020-14714
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Topics: Crystals , Engines , Ice , Simulation , Particulate matter , Stators , Inlet guide vanes , Temperature , Particle size , Metals
Numerical Study of Erosion due to Online Water Washing in Axial Flow Compressors
Francesca Di Gruttola, Giuliano Agati, Paolo Venturini, Domenico Borello, Franco Rispoli, Serena Gabriele, Domenico Simone
GT 2020; V02BT34A008https://doi.org/10.1115/GT2020-14767
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Topics: Axial flow , Compressors , Drops , Erosion , Water
An Industrial Methodology for Erosion Analysis of FCC Expander Blades
Nicola Maceli, Gianfranco Maffulli
GT 2020; V02BT34A009https://doi.org/10.1115/GT2020-14891
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Topics: Blades , Erosion , Particulate matter
Experimental Study on Thermal Efficiency of a Multi-Jet Anti-Icing System With Piccolo Tube
Xueqin Bu, Ping Huang, Haoyang Sun, Guiping Lin
GT 2020; V02BT34A010https://doi.org/10.1115/GT2020-15153
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Topics: Thermal efficiency
Influence of Turboshaft Engine Architecture on Ash Particle Deposition: Reduced Order Model Application
Matthew Ellis, Nicholas Bojdo, Antonio Filippone
GT 2020; V02BT34A011https://doi.org/10.1115/GT2020-15203
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Topics: Engines , Particulate matter , Temperature , Flames , Combustion chambers , Computer simulation , Damage , Gas turbines , High pressure (Physics) , Melting
Uncertainty Analysis of Inflow Conditions on an HPT Gas Turbine Nozzle: Effect on Particle Deposition
R. Friso, N. Casari, M. Pinelli, A. Suman, F. Montomoli
GT 2020; V02BT34A012https://doi.org/10.1115/GT2020-15370
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Topics: Gas turbines , Inflow , Nozzles , Particulate matter , Uncertainty analysis , Uncertainty , Creep , Engines , Flow (Dynamics) , Machinery
The Effect of Thermal Barrier Coating Surface Temperature on the Adhesion Behavior of CMAS Deposits
Robert A. Clark, Nicholas Plewacki, Pritheesh Gnanaselvam, Jeffrey P. Bons, Vaishak Viswanathan
GT 2020; V02BT34A013https://doi.org/10.1115/GT2020-15544
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Topics: Adhesion , Temperature , Thermal barrier coatings , Flow (Dynamics) , Particulate matter , Heat transfer , High pressure (Physics) , Turbines , Turbofans , Coolants
An Experimental and Computational Investigation of Absolute Pressure Effects on Deposition in an Effusion Cooling Geometry
Christopher P. Bowen, Jeffrey P. Bons
GT 2020; V02BT34A014https://doi.org/10.1115/GT2020-15632
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Topics: Cooling , Geometry , Pressure , Flow (Dynamics) , Particulate matter , Discharge coefficient , Drag (Fluid dynamics) , Engineering simulation , Erosion , Simulation
Structural Analysis of a Gas Turbine Axial Compressor Blade Eroded by Online Water Washing
Rossella Cinelli, Gianluca Maggiani, Serena Gabriele, Alessio Castorrini, Giuliano Agati, Franco Rispoli
GT 2020; V02BT34A015https://doi.org/10.1115/GT2020-15942
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Topics: Blades , Compressors , Gas turbines , Structural analysis , Water , Erosion , Computational fluid dynamics , Damage , Finite element methods , Simulation
Development and Validation of a Continuous Random Walk Model for Particle Tracking in Accelerating Flows
Nikul Vadgama, Marios Kapsis, Peter Forsyth, Matthew McGilvray, David R. H. Gillespie
GT 2020; V02BT34A016https://doi.org/10.1115/GT2020-16026
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Topics: Flow (Dynamics) , Particulate matter , Reynolds-averaged Navier–Stokes equations , Turbulence , Engineering simulation , Simulation , Statistics , Stress , Computational fluid dynamics , Damage
Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate
Xiaofeng Guo, Zhiqiang Guo, Qian Yang, Wei Dong
GT 2020; V02BT34A017https://doi.org/10.1115/GT2020-16116
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Topics: Composite materials , Computer simulation , Deicing , Ice , Carbon reinforced plastics , Melting , Airfoils , Thermal properties , Fibers , Heat transfer
Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing
Matthias Nagorski, Christian Koch, Stephan Staudacher
GT 2020; V02BT34A018https://doi.org/10.1115/GT2020-16143
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Topics: Boundary-value problems , Cascades (Fluid dynamics) , Compressors , Crystals , Ice , Testing
Effect of Initial Surface Roughness on Water Erosion Resistance of Last Stage Blade Substrate of Steam Turbine
Fang Li, Shunsen Wang, Juan Di, Zhenping Feng
GT 2020; V02BT34A019https://doi.org/10.1115/GT2020-16262
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Topics: Blades , Drops , Erosion , Steam turbines , Surface roughness , Water
Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion
Tim Brandes, Christian Koch, Stephan Staudacher
GT 2020; V02BT34A020https://doi.org/10.1115/GT2020-16297
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Topics: Aircraft engines , Erosion , Flight , Compressors , Blades , Engines , Particulate matter , Flow (Dynamics) , Separation (Technology) , Annulus
A Method for the Simulation of Time-Dependent In-Service Performance Change
Rich Evans, Bill Dawes, Nabil Meah, Andrey Kudryavtsev, Matthew Hunt
GT 2020; V02BT34A021https://doi.org/10.1115/GT2020-16320
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Topics: Simulation , Geometry , Corrosion , Engineering simulation , Computers , Cost benefit analysis , Engineers , Erosion , Inspection , Modeling
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