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Proceedings Papers

Fouling on a Multistage Axial Compressor in the Presence of a Third Substance at the Particle/Surface Interface

Nicola Aldi, Nicola Casari, Devid Dainese, Mirko Morini, Michele Pinelli, Pier Ruggero Spina, Alessio Suman
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT47A014, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76923
https://doi.org/10.1115/GT2018-76923
View Paper titled, Fouling on a Multistage Axial Compressor in the Presence of a Third Substance at the Particle/Surface Interface
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Topics: Compressors, Particulate matter, Blades, Microparticles, Clearances (Engineering), Computational fluid dynamics, Computer simulation, Corners (Structural elements), Engineering simulation, Equations of motion
Proceedings Papers

Application of the Transient Heat Transfer Measurement Technique Using TLC in a Network Configuration With Intersecting Circular Passages

Anika Steurer, Rico Poser, Jens von Wolfersdorf, Stefan Retzko
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76551
https://doi.org/10.1115/GT2018-76551
View Paper titled, Application of the Transient Heat Transfer Measurement Technique Using TLC in a Network Configuration With Intersecting Circular Passages
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Topics: Cooling, Engineering simulation, Evaluation methods, Flow (Dynamics), Fluids, Geometry, Heat transfer, Heat transfer coefficients, Liquid crystals, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Fast Conjugate Heat Transfer Simulation of Long Transient Flexible Operations Using Adaptive Time Stepping

R. Maffulli, L. He, P. Stein, G. Marinescu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT10A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75740
https://doi.org/10.1115/GT2018-75740
View Paper titled, Fast Conjugate Heat Transfer Simulation of Long Transient Flexible Operations Using Adaptive Time Stepping
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Topics: Heat transfer, Simulation, Transients (Dynamics), Cycles, Errors, Fluids, Turbines, Mixed convection, Modeling, Natural convection
Proceedings Papers

Effect of Coolant Mass Flow Rate of Dirt Purge Hole on Heat Transfer and Flow Characteristics at a Turbine Blade Tip Underside

Zhiqi Zhao, Lei Luo, Xun Zhou, Songtao Wang
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76156
https://doi.org/10.1115/GT2018-76156
View Paper titled, Effect of Coolant Mass Flow Rate of Dirt Purge Hole on Heat Transfer and Flow Characteristics at a Turbine Blade Tip Underside
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Topics: Coolants, Flow (Dynamics), Heat transfer, Turbine blades, Cooling, Reynolds number, Vortices, Blades, Compressors, Corrosion
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

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

Adjoint Method to Calculate the Shape Gradients of Failure Probabilities for Turbomachinery Components

Hanno Gottschalk, Mohamed Saadi, Onur Tanil Doganay, Kathrin Klamroth, Sebastian Schmitz
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75759
https://doi.org/10.1115/GT2018-75759
View Paper titled, Adjoint Method to Calculate the Shape Gradients of Failure Probabilities for Turbomachinery Components
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Topics: Failure, Probability, Shapes, Turbomachinery, Finite element analysis, Computation, Optimization, Boundary-value problems, Fluids, Geometry
Proceedings Papers

Experimental Study of the Leakage and Rotordynamic Coefficients of a Long Smooth Seal With Two-Phase, Mainly-Oil Mixtures

Min Zhang, Dara W. Childs, James E. Mclean, Jr., Dung L. Tran, Hari Shrestha
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75328
https://doi.org/10.1115/GT2018-75328
View Paper titled, Experimental Study of the Leakage and Rotordynamic Coefficients of a Long Smooth Seal With Two-Phase, Mainly-Oil Mixtures
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Topics: Leakage, Flow (Dynamics), Stiffness, Damping, Fluids, Rotors, Bubbles, Clearances (Engineering), Friction, Pressure
Proceedings Papers

Nonlinear Analysis of Rotordynamic Fluid Forces in the Annular Plain Seal by Using Extended Bulk-Flow Analysis: Influence of Static Eccentricity and Whirling Amplitude

K. Yamada, A. Ikemoto, M. Uchiumi, T. Inoue
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A020, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75645
https://doi.org/10.1115/GT2018-75645
View Paper titled, Nonlinear Analysis of Rotordynamic Fluid Forces in the Annular Plain Seal by Using Extended Bulk-Flow Analysis: Influence of Static Eccentricity and Whirling Amplitude
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Topics: Flow (Dynamics), Fluids, Whirls, Machinery, Design, Rotors, Stress, Turbomachinery, Vibration
Proceedings Papers

Validation of CFD Analysis Method for Seal Dynamic Coefficients With Various Labyrinth Seal Types

Makoto Iwasaki, Kenichi Murata, Rimpei Kawashita, Yasunori Tokimasa, Kazuyuki Matsumoto, Makoto Kamishita
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75251
https://doi.org/10.1115/GT2018-75251
View Paper titled, Validation of CFD Analysis Method for Seal Dynamic Coefficients With Various Labyrinth Seal Types
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Topics: Computational fluid dynamics, Rotors, Fins, Stators, Steam turbines, Whirls, Accelerometers, Air flow, Coating processes, Coatings
Proceedings Papers

On the Leakage, Torque and Dynamic Force Coefficients of an Air in Oil (Wet) Annular Seal: A CFD Analysis Anchored to Test Data

Luis San Andrés, Jing Yang, Xueliang Lu
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A046, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77140
https://doi.org/10.1115/GT2018-77140
View Paper titled, On the Leakage, Torque and Dynamic Force Coefficients of an Air in Oil (Wet) Annular Seal: A CFD Analysis Anchored to Test Data
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Topics: Computational fluid dynamics, Leakage, Torque, Stiffness, Drag (Fluid dynamics), Pumps, Clearances (Engineering), Damping, Flow (Dynamics), Pressure
Proceedings Papers

Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions

Filippo Cangioli, Giuseppe Vannini, Paolo Pennacchi, Lorenzo Ciuchicchi, Leonardo Nettis, Steven Chatterton
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75072
https://doi.org/10.1115/GT2018-75072
View Paper titled, Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions
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Topics: Clearances (Engineering), Compressors, Dynamics (Mechanics), Flow (Dynamics), Fluids, Gas turbines, High pressure (Physics), Kinetic energy, Leakage, Pressure
Proceedings Papers

Comparison of Modelling Approaches for Bump-Type Foil Thrust Bearings Operating With CO 2

Kan Qin, Daijin Li, Kai Luo, Zhansheng Tian, Ingo H. Jahn
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75705
https://doi.org/10.1115/GT2018-75705
View Paper titled, Comparison of Modelling Approaches for Bump-Type Foil Thrust Bearings Operating With CO 2
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Topics: Carbon dioxide, Modeling, Thrust bearings, Computational fluid dynamics, Deformation, Rotors, Separation (Technology), Stress, Deflection, Heating
Proceedings Papers

A CFD Based Approach for Estimation of Rotor Dynamic Coefficients for Liquid Annular Seals in Turbomachinery

Bachanti Krishna, B. Premachandran, Ashish K. Darpe
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A039, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76634
https://doi.org/10.1115/GT2018-76634
View Paper titled, A CFD Based Approach for Estimation of Rotor Dynamic Coefficients for Liquid Annular Seals in Turbomachinery
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Topics: Computational fluid dynamics, Rotors, Turbomachinery, Fluids, Flow (Dynamics), Leakage, Stability, Clearances (Engineering), Curve fitting, Damping
Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions

Xueliang Lu, Luis San Andrés
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75200
https://doi.org/10.1115/GT2018-75200
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions
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Topics: Leakage, Waves, Clearances (Engineering), Flow (Dynamics), Pumps, Stiffness, Damping, Pressure, Rotors, Collapse
Proceedings Papers

Static and Rotordynamic Characteristics of Liquid Annular Seals With a Circumferentially-Grooved Stator and Smooth Rotor Using Three Levels of Circumferential Inlet-Fluid Rotation

Dara W. Childs, Jose M. Torres, Joshua T. Bullock
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75325
https://doi.org/10.1115/GT2018-75325
View Paper titled, Static and Rotordynamic Characteristics of Liquid Annular Seals With a Circumferentially-Grooved Stator and Smooth Rotor Using Three Levels of Circumferential Inlet-Fluid Rotation
Open the PDF for Static and Rotordynamic Characteristics of Liquid Annular Seals With a Circumferentially-Grooved Stator and Smooth Rotor Using Three Levels of Circumferential Inlet-Fluid Rotation in another window
Topics: Fluids, Rotation, Rotors, Stators, Stiffness, Damping, Pumps, Clearances (Engineering), Flowmeters, Geometry
Proceedings Papers

Coupled Thermal-Structural-Fluid Numerical Analysis of Gas Lubricated Mechanical Seals

Jingjing Luo, Hans Josef Dohmen, Friedrich-Karl Benra
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A014, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75458
https://doi.org/10.1115/GT2018-75458
View Paper titled, Coupled Thermal-Structural-Fluid Numerical Analysis of Gas Lubricated Mechanical Seals
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Topics: Fluids, Numerical analysis, Pressure, Sealing (Process), Design, Deflection, Deformation, Film thickness, Flow (Dynamics), Gas compressors
Proceedings Papers

Turbulence Input Parameters Correction Methodology in Water Lubricated Thrust Bearings

Xin Deng, Harrison Gates, Brian Weaver, Houston Wood, Roger Fittro
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A019, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75597
https://doi.org/10.1115/GT2018-75597
View Paper titled, Turbulence Input Parameters Correction Methodology in Water Lubricated Thrust Bearings
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Topics: Thrust bearings, Turbulence, Water, Bearings, Viscosity, Eddies (Fluid dynamics), Lubrication, Fluids, Modeling, Film thickness
Proceedings Papers

Aerodynamic Design of a Ported Shroud Casing Treatment for a Turbocharger Compressor of a Miller-Cycle Gasoline Engine

Christoph Schäfer, Mathias Bogner, Jan Ehrhard, Matthias Dunzer
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75033
https://doi.org/10.1115/GT2018-75033
View Paper titled, Aerodynamic Design of a Ported Shroud Casing Treatment for a Turbocharger Compressor of a Miller-Cycle Gasoline Engine
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Topics: Compressors, Design, Gasoline engines, Miller cycle, Turbochargers, Flow (Dynamics), Surges, Acoustics, Cavities, Engines
Proceedings Papers

Data-Driven Pre-Design Tool for Small Scale Centrifugal Compressors in Refrigeration

Violette Mounier, Cyril Picard, Jürg Schiffmann
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76349
https://doi.org/10.1115/GT2018-76349
View Paper titled, Data-Driven Pre-Design Tool for Small Scale Centrifugal Compressors in Refrigeration
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Topics: Compressors, Design, Refrigeration, Blades, Geometry, Air conditioners, Bearings, Clearances (Engineering), Exhaust systems, Fluids