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Proceedings Papers

Transient Analysis of a Micro Gas Turbine With Fuel Composition Change

Martina Raggio, Daria Bellotti, Mario Luigi Ferrari
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A013, June 13–17, 2022
Paper No: GT2022-81300
DOI: https://doi.org/10.1115/GT2022-81300
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Topics: Fuels, Micro gas turbines, Surges, Transient analysis
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
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

Analysis of Loading and Vibration Histories on Natural Frequencies and Modal Damping of Blades With Friction at Root Contact Interfaces

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A013, June 7–11, 2021
Paper No: GT2021-58985
DOI: https://doi.org/10.1115/GT2021-58985
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Topics: Blades, Damping, Friction, Vibration, Disks, Engines, Flight, Rotation, Stress, Cycles
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

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Serena Gabriele, Paolo Di Sisto, Giuseppe Del Vescovo, Conti Simone
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A010, June 7–11, 2021
Paper No: GT2021-58919
DOI: https://doi.org/10.1115/GT2021-58919
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Topics: Dampers, Design, Ducts, Gas turbines, Thin shells, Flow (Dynamics), Finite element analysis, High cycle fatigue, Turbines, Bolted joints
Proceedings Papers

Transient Aero-Thermo-Mechanical Multidimensional Analysis of a High Pressure Turbine Assembly Through a Square Cycle

Vlad Ganine, John W. Chew, Nicholas J. Hills, Sulfi N. Mohamed, Matthew M. Miller
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A024, September 21–25, 2020
Paper No: GT2020-15667
DOI: https://doi.org/10.1115/GT2020-15667
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Topics: Cycles, High pressure (Physics), Manufacturing, Transients (Dynamics), Turbines, Flow (Dynamics), Cooling, Engines, Heat transfer, Aircraft engines
Proceedings Papers

Improved Life Assessment for Ni-Based Gas Turbine First Stage High Pressure Turbine Nozzles

Gianluca Maggiani, Matthew J. Roy, Simone Colantoni, Philip J. Withers
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A014, September 21–25, 2020
Paper No: GT2020-14763
DOI: https://doi.org/10.1115/GT2020-14763
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Topics: Gas turbines, High pressure (Physics), Nozzles, Turbines, Creep, Finite element analysis, Design, Transient analysis, Cooling systems, Cracking (Materials)
Proceedings Papers

Transient Analysis of Rotating Stall Development in a Centrifugal Compressor With Vaned Diffuser

Nobumichi Fujisawa, Masaki Takahashi, Yutaka Ohta
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A010, June 17–21, 2019
Paper No: GT2019-90797
DOI: https://doi.org/10.1115/GT2019-90797
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Topics: Compressors, Diffusers, Transient analysis, Impellers, Transients (Dynamics), Separation (Technology), Vortices, Computational fluid dynamics, Numerical analysis, Pressure
Proceedings Papers

An Introduction Into the Clearance Management of Ansaldo GT36 From Development to Validation

S. Boeller, B. Feuillard, G. Filkorn, S. Olmes, F. Prou, C. Robson, R. Santos
Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T23A004, June 11–15, 2018
Paper No: GT2018-75652
DOI: https://doi.org/10.1115/GT2018-75652
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Topics: Clearances (Engineering), Engines, Deformation, Design, Gas turbines, Stress, Transients (Dynamics), Airfoils, Compressors, Engine design
Proceedings Papers

Non-Linear Vibration of Rotating Co-Rotational Two-Dimensional Beams With Large Displacement

Zihan Shen, Benjamin Chouvion, Fabrice Thouverez, Aline Beley, Jean-Daniel Beley
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A013, June 11–15, 2018
Paper No: GT2018-75633
DOI: https://doi.org/10.1115/GT2018-75633
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Topics: Aircraft engines, Deformation, Design, Displacement, Finite element methods, Fuel consumption, Kinetic energy, Machinery, Modal analysis, Nonlinear vibration
Proceedings Papers

A Modal Based Approach for the Lateral Dynamic Analysis of Rotating Shafts Supported by Elastic Substructures

Flavio Quattrone, Benjamin Dugone
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A023, June 11–15, 2018
Paper No: GT2018-76481
DOI: https://doi.org/10.1115/GT2018-76481
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Topics: Bearings, Computer simulation, Damping, Dynamic analysis, Dynamics (Mechanics), Equations of motion, Gas turbines, Machinery, Modeling, Rotors
Proceedings Papers

Improved Low Cycle Fatigue Analysis for Ni-Based Turbine Nozzles

Gianluca Maggiani, Matthew J. Roy, Simone Colantoni, Philip J. Withers
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A008, June 11–15, 2018
Paper No: GT2018-75974
DOI: https://doi.org/10.1115/GT2018-75974
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Topics: Low cycle fatigue, Nozzles, Turbines, Alloys, Cooling, Firing, Temperature, Thermomechanics, Accounting, Computation
Proceedings Papers

Transient Analysis of an Innovative Cycle Integrating a SOFC and a Turbogenerator for Electric Propulsion

Venkata Adithya Chakravarthula, Rory A. Roberts
Proc. ASME. GT2017, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration Applications; Organic Rankine Cycle Power Systems, V003T06A029, June 26–30, 2017
Paper No: GT2017-64804
DOI: https://doi.org/10.1115/GT2017-64804
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Topics: Cycles, Electric propulsion, Solid oxide fuel cells, Transient analysis, Turbogenerators, Gas turbines, Combustion chambers, Design, Exergy, Thermodynamic power cycles
Proceedings Papers

Dynamic and Thermal Analysis of Rotor Drop on Sleeve Type Catcher Bearings in Magnetic Bearing Systems

Xiao Kang, Alan Palazzolo
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A015, June 26–30, 2017
Paper No: GT2017-63662
DOI: https://doi.org/10.1115/GT2017-63662
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Topics: Bearings, Magnetic bearings, Rotors, Thermal analysis, Plain bearings, Finite element methods, Finite element model, Friction, Aluminum, Bearing design
Proceedings Papers

Including Pivot Friction in Pad Motion for a Tilting Pad Journal Bearing With Ball-Socket Pivots

Feng He
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A036, June 26–30, 2017
Paper No: GT2017-65240
DOI: https://doi.org/10.1115/GT2017-65240
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Topics: Friction, Journal bearings, Bearings, Stress, Pressure, Vibration, Deformation, Dynamics (Mechanics), Transient analysis, Turbomachinery
Proceedings Papers

Random Vibration Analysis for Centrifugal Compressor Impellers With Unsteady Aerodynamic Excitations

Yuefang Wang, Yan Liu, Xuejun Wang, Hongkun Li, Daren Jiang
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT29A001, June 13–17, 2016
Paper No: GT2016-56419
DOI: https://doi.org/10.1115/GT2016-56419
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Topics: Compressor impellers, Excitation, Random vibration, Impellers, Blades, Stress, Compressors, Design, Displacement, Pressure
Proceedings Papers

Gas Dynamic Face Seal Tightness Under Non-Stationary Loading

Renat R. Badykov, Aleksandr S. Vinogradov
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A001, June 13–17, 2016
Paper No: GT2016-56011
DOI: https://doi.org/10.1115/GT2016-56011
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Topics: Aircraft engines, Cavities, Deformation, Design, Engines, Flight, Flow (Dynamics), Heat transfer coefficients, Leakage, Pressure
Proceedings Papers

Auxiliary Bearing System Optimization for AMB Supported Rotors Based on Rotor Drop Analysis: Part I — Rotor Drop Analysis Method

Jianming Cao, Paul Allaire, Timothy Dimond, Saeid Dousti
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT30A002, June 13–17, 2016
Paper No: GT2016-56323
DOI: https://doi.org/10.1115/GT2016-56323
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Topics: Bearings, Optimization, Rotors, Stress, Ball bearings, American Petroleum Institute, Design, Experimental methods, Finite element analysis, Magnetic bearings
Proceedings Papers

Helium Turboexpander for Cryogenic Refrigeration and Liquefaction Cycles: Transient Analysis of Rotor–Stator Interaction

Ashish Alex Sam, Parthasarathi Ghosh
Proc. ASME. GT2016, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A009, June 13–17, 2016
Paper No: GT2016-56793
DOI: https://doi.org/10.1115/GT2016-56793
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Topics: Cycles, Helium, Liquefaction, Refrigeration, Rotors, Stators, Transient analysis, Flow (Dynamics), Turbines, Wheels