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Proceedings Papers

Enhancing Turbine Deposition Prediction Capability With Conjugate Mesh Morphing

Christopher P. Bowen, Jeffrey P. Bons
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT33A004, June 7–11, 2021
Paper No: GT2021-60224
DOI: https://doi.org/10.1115/GT2021-60224
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Topics: Accounting, Computation, Computational fluid dynamics, Computer software, Dust, Electrical conductivity, Flow (Dynamics), Fluids, Heat, Metal surfaces
Proceedings Papers

One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine

Bijie Yang, Ricardo Martinez-Botas, Yingxian Xue, Mingyang Yang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A015, June 7–11, 2021
Paper No: GT2021-60069
DOI: https://doi.org/10.1115/GT2021-60069
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Topics: Flow (Dynamics), Modeling, Turbines, Pressure, Turbochargers, Computational fluid dynamics, Energy conservation, Engines, Exhaust systems, Internal combustion engines
Proceedings Papers

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A004, June 7–11, 2021
Paper No: GT2021-58901
DOI: https://doi.org/10.1115/GT2021-58901
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Topics: Flow (Dynamics), Optimization, Turbines, Design, Inertia (Mechanics), Engines, Stress, Rotors, Transients (Dynamics), Turbochargers
Proceedings Papers

Prediction and Validation of the Transient Pressure Field in a Centrifugal Compressor With Vaned Diffuser for the Application in High Cycle Fatigue Stress Estimations

Gökay Bacakci, Friedrich Fröhlig, Lukas Stuhldreier, Johannes Deutsch, Peter Jeschke
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A003, June 7–11, 2021
Paper No: GT2021-58876
DOI: https://doi.org/10.1115/GT2021-58876
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Topics: Compressors, Diffusers, High cycle fatigue, Pressure, Stress, Transients (Dynamics), Engineering simulation, Fluctuations (Physics), Impellers, Pressure measurement
Proceedings Papers

Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

Richard Morrison, Charles Stuart, Sung In Kim, Stephen Spence, Andre Starke, Thomas Leonard
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A007, June 7–11, 2021
Paper No: GT2021-59382
DOI: https://doi.org/10.1115/GT2021-59382
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Topics: Flow (Dynamics), Geometry, Turbines, Design, Engines, Flow separation, Rotors, Transients (Dynamics), Turbochargers, Automotive engines
Proceedings Papers

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Tommaso Diurno, Stella Grazia Tomasello, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Leonardo Nettis, Lorenzo Arcangeli
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A013, June 7–11, 2021
Paper No: GT2021-59268
DOI: https://doi.org/10.1115/GT2021-59268
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Topics: Computational fluid dynamics, Design, Exhaust systems, Modeling, Optimization, Steam turbines, Geometry, Diffusers, Engineering simulation, Flow (Dynamics)
Proceedings Papers

Forced Response Excitation of a Compressor Stator Owing to Shock Wave Induced by Adjacent Rotor Blade

Toshimasa Miura, Naoto Sakai, Naoki Kanazawa, Kentaro Nakayama
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A010, June 7–11, 2021
Paper No: GT2021-59147
DOI: https://doi.org/10.1115/GT2021-59147
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Topics: Blades, Compressors, Excitation, Rotors, Shock waves, Stators, Fluids, Simulation, Fluid structure interaction, Vibration
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

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021
Paper No: GT2021-58979
DOI: https://doi.org/10.1115/GT2021-58979
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Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation
Proceedings Papers

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

Himanshu Patel, Alok Sinha
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A003, June 7–11, 2021
Paper No: GT2021-59863
DOI: https://doi.org/10.1115/GT2021-59863
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Topics: Friction, Kalman filters, Stress, Turbine blades, Dampers, Excitation, Vibration, Differential equations, Errors, Modeling
Proceedings Papers

Effect of Bladed Packets on Transient Vibration Localization Behaviors of Mistuned Whole Bladed Disk System

Xuanen Kan
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A006, June 7–11, 2021
Paper No: GT2021-58722
DOI: https://doi.org/10.1115/GT2021-58722
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Topics: Disks, Transients (Dynamics), Vibration, Blades, Steady state, Turbochargers
Proceedings Papers

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A012, June 7–11, 2021
Paper No: GT2021-58982
DOI: https://doi.org/10.1115/GT2021-58982
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Topics: Disks, Interpolation, Rotation, Transients (Dynamics), Mode shapes, Vibration, Engines, Finite element analysis, Gas turbines, Modeling
Proceedings Papers

Improved Rotor Design With Combined 3D-2D Probabilistic Approach

Lukas Schuchard, Matthias Voigt, Ronald Mailach, Peter Dumstorff, Armin de Lazzer, Henning Almstedt
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT27A002, June 7–11, 2021
Paper No: GT2021-58620
DOI: https://doi.org/10.1115/GT2021-58620
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Topics: Design, Rotors, Blades, Stress, Transients (Dynamics), Steam turbines, Thermomechanics, Boundary-value problems, Low cycle fatigue, Pressure
Proceedings Papers

Transient Analysis of Supercritical Carbon Dioxide Air Cooler With Using IDAES Model

Russell Gentile, Ladislav Vesely, Vipul Goyal, Jayanta S. Kapat
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A015, June 7–11, 2021
Paper No: GT2021-59276
DOI: https://doi.org/10.1115/GT2021-59276
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Topics: Supercritical carbon dioxide, Transient analysis, Design, Temperature, Thermodynamic power cycles, Brayton cycle, Carbon dioxide, Compressors, Computer software, Dynamic models
Proceedings Papers

A Dynamic Systems Based Approach to Estimate Cyclic and Creep Damage of a Power Turbine Blade Subjected to a Random Transient Operation

Dipankar Dua, Quang Le, Anthony Saladino, Deepak Thirumurthy, Jaskirat Singh
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A022, June 7–11, 2021
Paper No: GT2021-59390
DOI: https://doi.org/10.1115/GT2021-59390
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Topics: Creep, Damage, Dynamic systems, Transients (Dynamics), Turbine blades, Engines, Stress, Instrumentation, Turbine components, Turbines
Proceedings Papers

Loop Transient Performance With a Closed Loop sCO2 Brayton Cycle

Stefan D. Cich, J. Jeffrey Moore, Meera Day Towler, Jason Mortzheim
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A003, June 7–11, 2021
Paper No: GT2021-04135
DOI: https://doi.org/10.1115/GT2021-04135
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Topics: Brayton cycle, Transients (Dynamics), High temperature, Testing, Turbines, Atmospheric pressure, Carbon dioxide, Cycles, Density, Emergencies
Proceedings Papers

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

Joshua Schmitt, Jordan Nielson
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A027, June 7–11, 2021
Paper No: GT2021-60251
DOI: https://doi.org/10.1115/GT2021-60251
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Topics: Modeling, Pistons, Temperature, Testing, Cycles, Brayton cycle, Cylinders, Cylinder tests (Concrete), Energy generation, Engines
Proceedings Papers

Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes

Viktor Yevlakhov, Leonid Moroz, Andrii Khandrymailov, Yuriy Hyrka
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A016, June 7–11, 2021
Paper No: GT2021-59992
DOI: https://doi.org/10.1115/GT2021-59992
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Topics: Aircraft, Engines, Flow (Dynamics), Fuel oils, Fuels, Heat exchangers, Heat transfer, Thermofluids, Transient analysis, Temperature
Proceedings Papers

Investigating Heat Transfer in a Straight Cooling Passage Using Transient Infrared Temperature Data and URANS Conjugate Heat Transfer Analysis

Louis Christensen, Richard Celestina, Spencer Sperling, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A023, June 7–11, 2021
Paper No: GT2021-60381
DOI: https://doi.org/10.1115/GT2021-60381
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Topics: Cooling, Heat transfer, Temperature, Transients (Dynamics), Heat conduction, Turbulence, Computer simulation, Errors, Convection, Engineering simulation
Proceedings Papers

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A013, June 7–11, 2021
Paper No: GT2021-59513
DOI: https://doi.org/10.1115/GT2021-59513
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Topics: Bearings, Rotors, Stability, Compressibility, Gas bearings, Transients (Dynamics), Center of mass, Equations of motion, Excitation, Fluids