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Proceedings Papers

One-Dimensional Prediction and Three-Dimensional CFD Simulation of the Fluid Dynamics of Regenerative Pumps

Massimiliano Insinna, Simone Salvadori, Francesco Martelli, Giorgio Peroni, Gilles Simon, Antonio Dipace, Raffaele Squarcini
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A036, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76416
https://doi.org/10.1115/GT2018-76416
View Paper titled, One-Dimensional Prediction and Three-Dimensional CFD Simulation of the Fluid Dynamics of Regenerative Pumps
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Topics: Computational fluid dynamics, Fluid dynamics, Pumps, Simulation, Design, Flow (Dynamics), Centrifugal pumps, Displacement, Energy transformation, Fluids
Proceedings Papers

Effect of the Gas to Wall Temperature Ratio on the Bypass Transition

Riccardo Rubini, Roberto Maffulli, Tony Arts
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A034, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76214
https://doi.org/10.1115/GT2018-76214
View Paper titled, Effect of the Gas to Wall Temperature Ratio on the Bypass Transition
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Topics: Boundary layers, Design, Engineering design processes, Engineering simulation, Flow (Dynamics), Heat transfer, High pressure (Physics), Mach number, Machinery, Modeling
Proceedings Papers

Development and Use of Machine-Learnt Algebraic Reynolds Stress Models for Enhanced Prediction of Wake Mixing in LPTs

Harshal D. Akolekar, Jack Weatheritt, Nicholas Hutchins, Richard D. Sandberg, Gregory Laskowski, Vittorio Michelassi
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75447
https://doi.org/10.1115/GT2018-75447
View Paper titled, Development and Use of Machine-Learnt Algebraic Reynolds Stress Models for Enhanced Prediction of Wake Mixing in LPTs
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Topics: Algebra, Machinery, Stress, Wakes, Reynolds-averaged Navier–Stokes equations, Turbulence, Flow (Dynamics), Algorithms, Anisotropy, Blades
Proceedings Papers

Numerical Study of Deterministic Fluxes in Compressor Passages

Feng Wang, Mauro Carnevale, Luca di Mare
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A039, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76668
https://doi.org/10.1115/GT2018-76668
View Paper titled, Numerical Study of Deterministic Fluxes in Compressor Passages
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Topics: Compressors, Flux (Metallurgy), Flow (Dynamics), Computational fluid dynamics, Design, Reynolds-averaged Navier–Stokes equations, Stress, Whirls, Blades, Ducts
Proceedings Papers

Evaluating Configurations of Double Surface Helical Groove Seals Using Computational Fluid Dynamics

Cori Watson, Houston Wood
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A053, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77190
https://doi.org/10.1115/GT2018-77190
View Paper titled, Evaluating Configurations of Double Surface Helical Groove Seals Using Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Design, Engineering simulation, Engineering standards, Flow (Dynamics), Fluids, High pressure (Physics), Kinetic energy, Machinery, Preferences
Proceedings Papers

An Innovative Approach Towards Fouling Modeling: Microscale Deposition Pattern and its Effect on the Flow Field

Nicola Casari, Michele Pinelli, Alessio Suman
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76882
https://doi.org/10.1115/GT2018-76882
View Paper titled, An Innovative Approach Towards Fouling Modeling: Microscale Deposition Pattern and its Effect on the Flow Field
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Topics: Flow (Dynamics), Microscale devices, Modeling, Particulate matter, Surface roughness, Compressors, Erosion, Machinery, Algorithms, Fluid dynamics
Proceedings Papers

Additive Manufacturing of Honeycombs Seal Strips

Ole Geisen, Lisa Kersting, Lukas Masseling, Jan Pascal Bogner, Johannes Henrich Schleifenbaum
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77081
https://doi.org/10.1115/GT2018-77081
View Paper titled, Additive Manufacturing of Honeycombs Seal Strips
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Topics: Additive manufacturing, Honeycomb structures, Strips, Lasers, Manufacturing, Wall thickness, Alloys, Design, Emissions, Engineering prototypes
Proceedings Papers

New Designs of Novel Holes Based on Cylindrical Configurations for Improving Film Cooling Effectiveness

Rui Zhu, Gongnan Xie, Terrence W. Simon
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A017, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76380
https://doi.org/10.1115/GT2018-76380
View Paper titled, New Designs of Novel Holes Based on Cylindrical Configurations for Improving Film Cooling Effectiveness
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Topics: Film cooling, Design, Flow (Dynamics), Kidney, Vortices, Gas turbines, Machinery, Simulation
Proceedings Papers

Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot

R. D. Sandberg, R. Tan, J. Weatheritt, A. Ooi, A. Haghiri, V. Michelassi, G. Laskowski
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75444
https://doi.org/10.1115/GT2018-75444
View Paper titled, Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot
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Topics: Algebra, Machinery, Scalars, Stress, Heat flux, Reynolds-averaged Navier–Stokes equations, Algorithms, Anisotropy, Diffusion (Physics), Geometry
Proceedings Papers

Structural Integrity Assessment of ORC Turbine Tie-Rods: An Analysis Based on Elastic Shakedown and Fracture Mechanics

S. Rabbolini, M. Sanvito, A. Lo Conte, S. Beretta, D. Rizzi
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75716
https://doi.org/10.1115/GT2018-75716
View Paper titled, Structural Integrity Assessment of ORC Turbine Tie-Rods: An Analysis Based on Elastic Shakedown and Fracture Mechanics
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Topics: Fracture mechanics, Organic Rankine cycle, Tie rods, Turbines, Stress, Fracture (Materials), Cycles, Fatigue, Thread, Crack propagation
Proceedings Papers

Towards Structural Topology Optimization of Rotor Blisks

Enrico Boccini, Enrico Meli, Andrea Rindi, Lorenzo Pinelli, Lorenzo Peruzzi, Andrea Arnone
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT30A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76482
https://doi.org/10.1115/GT2018-76482
View Paper titled, Towards Structural Topology Optimization of Rotor Blisks
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Topics: Optimization, Rotors, Topology, Stators, Blades, Design, Geometry, Stress, Turbomachinery, Additive manufacturing
Proceedings Papers

Study on Subsynchronous Vibration With Tilting Pad Journal Bearing Under Starved Lubrication

Rimpei Kawashita, Tadasuke Nishioka, Shimpei Yokoyama, Makoto Iwasaki, Shuichi Isayama, Yuichiro Waki
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A014, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75607
https://doi.org/10.1115/GT2018-75607
View Paper titled, Study on Subsynchronous Vibration With Tilting Pad Journal Bearing Under Starved Lubrication
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Topics: Journal bearings, Lubrication, Vibration, Bearings, Rotors, Damping, Flow (Dynamics), Clearances (Engineering), Excitation, Machinery
Proceedings Papers

Coupled Analysis of the Rotor-Dynamic Fluid Forces in the Annular Plain Seal and the Shaft Vibration

K. Miyake, A. Ikemoto, M. Uchiumi, T. Inoue
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75271
https://doi.org/10.1115/GT2018-75271
View Paper titled, Coupled Analysis of the Rotor-Dynamic Fluid Forces in the Annular Plain Seal and the Shaft Vibration
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Topics: Fluids, Rotors, Vibration, Flow (Dynamics), Machinery, Pressure, Anisotropy, Poisson equation, Stability, Stiffness
Proceedings Papers

Unconventional Techniques for the Analysis of Experimental Spiral Vibrations

Andrea Vania, Paolo Pennacchi, Steven Chatterton, Filippo Cangioli
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75005
https://doi.org/10.1115/GT2018-75005
View Paper titled, Unconventional Techniques for the Analysis of Experimental Spiral Vibrations
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Topics: Vibration, Friction, Rotors, Damage, Machinery, Modeling, Stability, Stators, Steam turbines, Uncertainty
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76481
https://doi.org/10.1115/GT2018-76481
View Paper titled, A Modal Based Approach for the Lateral Dynamic Analysis of Rotating Shafts Supported by Elastic Substructures
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Topics: Bearings, Computer simulation, Damping, Dynamic analysis, Dynamics (Mechanics), Equations of motion, Gas turbines, Machinery, Modeling, Rotors
Proceedings Papers

Numerical Modeling of Thermally-Induced Vibration in Rotor Caused by Light-Rub Against Brush Seal

Filippo Cangioli, Paolo Pennacchi, Andrea Vania, Steven Chatterton
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75042
https://doi.org/10.1115/GT2018-75042
View Paper titled, Numerical Modeling of Thermally-Induced Vibration in Rotor Caused by Light-Rub Against Brush Seal
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Topics: Computer simulation, Rotors, Vibration, Clearances (Engineering), Leakage, Turbomachinery, Design, Friction, Machinery, Dynamics (Mechanics)
Proceedings Papers

Blade Fissure Determination by Means of Blade Tip-Timing System

Victor Mileshin, Victor Fateev, Alexander Stepanov
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76848
https://doi.org/10.1115/GT2018-76848
View Paper titled, Blade Fissure Determination by Means of Blade Tip-Timing System
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Topics: Blades, Rotors, Failure, Machinery, Aircraft engines, Compressors, Turbochargers, Vibration, Damage, Emergencies
Proceedings Papers

A Simplified and Efficient Analysis of Morton Effect

Lili Gu
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A018, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75948
https://doi.org/10.1115/GT2018-75948
View Paper titled, A Simplified and Efficient Analysis of Morton Effect
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Topics: Bearings, Die cutting, Dynamic models, Fluid films, Fluids, Heating, Machinery, Modeling, Rotors, Shearing (Deformation)
Proceedings Papers

Analysis of Rotordynamic and Thermodynamic Performance of a Multistage Centrifugal Compressor Operating in the Minimum Flow Region

Marco Giachi, Giuseppe Vannini, Pier Luigi Di Pillo
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A026, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76847
https://doi.org/10.1115/GT2018-76847
View Paper titled, Analysis of Rotordynamic and Thermodynamic Performance of a Multistage Centrifugal Compressor Operating in the Minimum Flow Region
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Topics: Compressors, Flow (Dynamics), Machinery, Engineering design processes, Vibration
Proceedings Papers

Improvement of Low Frequency Vibration Isolation Capability of AMB Using a Cascade PID Controller

Yixin Su, Yanhui Ma, Yongpeng Gu, Suyuan Yu, Gexue Ren
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76023
https://doi.org/10.1115/GT2018-76023
View Paper titled, Improvement of Low Frequency Vibration Isolation Capability of AMB Using a Cascade PID Controller
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Topics: Cascades (Fluid dynamics), Control equipment, Vibration isolation, Rotors, Vibration, Simulation, Bearings, Damping, Design, Displacement