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Proceedings Papers

Determination of the Equivalent Rotordynamic Coefficients and Leakage of a T-Type Labyrinth Seal

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Muhammad Mubashar Ashraf, Alexandrina Untaroiu
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A018, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-131377
https://doi.org/10.1115/FEDSM2024-131377
View Paper titled, Determination of the Equivalent Rotordynamic Coefficients and Leakage of a T-Type Labyrinth Seal
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Topics: Computational fluid dynamics, Experimental design, Leakage, Clearances (Engineering), Excitation, Fluids, Machinery, Rotors, Steady state, Aerodynamics
Proceedings Papers

Effects of Tip Clearance on Internal Flow and Loss Generation Mechanism in an Axial Compressor at Windmilling Conditions

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Tomohiro Inada, Ryousuke Sekino, Nobumichi Fujisawa, Yutaka Ohta
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T01A004, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86773
https://doi.org/10.1115/FEDSM2022-86773
View Paper titled, Effects of Tip Clearance on Internal Flow and Loss Generation Mechanism in an Axial Compressor at Windmilling Conditions
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Topics: Clearances (Engineering), Compressors, Internal flow
Proceedings Papers

Experimental Measurement of Oil Droplets Size and Velocity Above the Rotor/Stator in a Rotary Compressor

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Puyuan Wu, Jun Chen, Paul E. Sojka, Yang Li, Hongjun Cao
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T04A017, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65874
https://doi.org/10.1115/FEDSM2021-65874
View Paper titled, Experimental Measurement of Oil Droplets Size and Velocity Above the Rotor/Stator in a Rotary Compressor
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Topics: Compressors, Drops, Rotors, Stators, Clearances (Engineering), Cylinders, Cavities, Lubricating oils, Pistons, Vapors
Proceedings Papers

Research on Formation Mechanism and Suppression Method of Surface Force Caused by Pump Jet Propeller

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Yu Zhang, Dazhuan Wu
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A028, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65423
https://doi.org/10.1115/FEDSM2021-65423
View Paper titled, Research on Formation Mechanism and Suppression Method of Surface Force Caused by Pump Jet Propeller
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Topics: Propellers, Pumps, Ducts, Noise (Sound), Bearings, Blades, Flow (Dynamics), Leakage, Underwater vehicles, Vortices
Proceedings Papers

Flow Characterization in the Upper Cavity of a Rotary Compressor

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Puyuan Wu, Ang Li, Jun Chen, Paul E. Sojka, Yang Li, Hongjun Cao
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A011, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65868
https://doi.org/10.1115/FEDSM2021-65868
View Paper titled, Flow Characterization in the Upper Cavity of a Rotary Compressor
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Topics: Cavities, Compressors, Flow (Dynamics), Rotors, Stators, Computational fluid dynamics, Drops, Simulation, Internal flow, Lubricating oils
Proceedings Papers

Characterization of Oil Droplets in the Lower Cavity of a Rotary Compressor

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Puyuan Wu, Jun Chen, Paul E. Sojka, Yang Li, Hongjun Cao
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A016, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20363
https://doi.org/10.1115/FEDSM2020-20363
View Paper titled, Characterization of Oil Droplets in the Lower Cavity of a Rotary Compressor
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Topics: Cavities, Compressors, Drops, Computational fluid dynamics, Cylinders, Flow (Dynamics), Refrigerants, Air conditioners, Bearings, Clearances (Engineering)
Proceedings Papers

Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows

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Ernesto Casartelli, Luca Mangani, David Roos, Armando Del Rio
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A041, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20420
https://doi.org/10.1115/FEDSM2020-20420
View Paper titled, Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows
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Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbomachinery, Turbulence, Vortices, Anisotropy, Stress, Boundary layers, Design, Algebra
Proceedings Papers

Visualization of Three-Dimensional Flow Structures Caused by Rotating Instability

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Julija Peter, Paul Uwe Thamsen
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A048, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4930
https://doi.org/10.1115/AJKFluids2019-4930
View Paper titled, Visualization of Three-Dimensional Flow Structures Caused by Rotating Instability
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Topics: Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Particulate matter, Visualization, Clearances (Engineering), Blades, Design, Fluctuations (Physics), Inflow
Proceedings Papers

On the Influence of Gas Content on the Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Annular Seal for Multiple Phase Pumps

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Luis San Andrés, Xueliang Lu, Tingcheng Wu
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A019, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4938
https://doi.org/10.1115/AJKFluids2019-4938
View Paper titled, On the Influence of Gas Content on the Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Annular Seal for Multiple Phase Pumps
Open the PDF for On the Influence of Gas Content on the Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Annular Seal for Multiple Phase Pumps in another window
Topics: Pumps, Waves, Stiffness, Excitation, Computational fluid dynamics, Damping, Leakage, Ocean engineering, Clearances (Engineering), Design
Proceedings Papers

Visualization of Oil Droplets Distribution in a Rotary Compressor

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Puyuan Wu, Jun Chen, Paul E. Sojka
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A073, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5207
https://doi.org/10.1115/AJKFluids2019-5207
View Paper titled, Visualization of Oil Droplets Distribution in a Rotary Compressor
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Topics: Compressors, Drops, Visualization, Bearings, Computational fluid dynamics, Stators, Clearances (Engineering), Compression, Cylinders, Exhaust systems
Proceedings Papers

Numerical Calibration of 3D Printed Five-Hole Probes for the Transonic Flow Regime

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Maximilian Passmann, Stefan aus der Wiesche, Franz Joos
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A017, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4706
https://doi.org/10.1115/AJKFluids2019-4706
View Paper titled, Numerical Calibration of 3D Printed Five-Hole Probes for the Transonic Flow Regime
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Topics: Additive manufacturing, Calibration, Probes, Transonic flow, Cascades (Fluid dynamics), Clearances (Engineering), Mach number, Stainless steel, Turbines, Wind tunnels
Proceedings Papers

Research on the Solid-Liquid Two-Phase Flow in a Helical Groove Seal

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K. Zhang, D. Z. Wu
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T11A002, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83105
https://doi.org/10.1115/FEDSM2018-83105
View Paper titled, Research on the Solid-Liquid Two-Phase Flow in a Helical Groove Seal
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Topics: Abrasion, Clearances (Engineering), Computer software, Design, Flow (Dynamics), Hydraulic equipment, Internal flow, Leakage, Multiphase flow, Particulate matter
Proceedings Papers

The Effects of the Inlet Guide Vanes on an Axial Pump Under Off Design Points

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Zhi-Wei Guo, Jing-Ye Pan, Zhong-Dong Qian
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A008, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83071
https://doi.org/10.1115/FEDSM2018-83071
View Paper titled, The Effects of the Inlet Guide Vanes on an Axial Pump Under Off Design Points
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Topics: Design, Inlet guide vanes, Pumps, Computational fluid dynamics, Vortices, Clearances (Engineering), Impellers, Stall inception
Proceedings Papers

Investigation of the Causes of Static Instability in Externally Pressurized Gas Journal Bearings

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Tom M. Lawrence, Marvin D. Kemple
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A023, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83403
https://doi.org/10.1115/FEDSM2018-83403
View Paper titled, Investigation of the Causes of Static Instability in Externally Pressurized Gas Journal Bearings
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Topics: Journal bearings, Pressurized gas, Bearings, Computational fluid dynamics, Bushings, Displacement, Fluid-dynamic forces, Stiffness, Design, Lubrication
Proceedings Papers

Numerical Analysis of Tip Clearance Effects in an Unshrouded Impeller for Liquid Rocket Engines

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Lucrezia Veggi, Mattia Reganaz, Julian D. Pauw, Oskar J. Haidn, Bernd Wagner
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A004, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83024
https://doi.org/10.1115/FEDSM2018-83024
View Paper titled, Numerical Analysis of Tip Clearance Effects in an Unshrouded Impeller for Liquid Rocket Engines
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Topics: Clearances (Engineering), Impellers, Numerical analysis, Rocket engines, Geometry, Blades, Wake turbulence, Flow (Dynamics), Design, Inflow
Proceedings Papers

Numerical Study on Transient Dynamics in a Centrifugal Pump Considering Clearance Flow

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Chen-Xing Jiang, Xi Wang, Na-Xin Kang, Xiang-Yuan Zhang, Zhi-Jun Shuai, Wan-You Li
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A034, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83525
https://doi.org/10.1115/FEDSM2018-83525
View Paper titled, Numerical Study on Transient Dynamics in a Centrifugal Pump Considering Clearance Flow
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Topics: Centrifugal pumps, Clearances (Engineering), Dynamics (Mechanics), Flow (Dynamics), Transients (Dynamics), Impellers, Computer simulation, Design, Finite volume methods, Internal flow
Proceedings Papers

Influence of an Adaptive Blade System on Unsteady Flow Conditions in a 2D Compressor Cascade

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Julija Peter, David Konstantin Tilcher, Robert Meyer, Paul Uwe Thamsen
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT05A003, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69028
https://doi.org/10.1115/FEDSM2017-69028
View Paper titled, Influence of an Adaptive Blade System on Unsteady Flow Conditions in a 2D Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Unsteady flow, Stators, Flow (Dynamics), Phase shift, Clearances (Engineering), Design, Flow separation
Proceedings Papers

Modeling Shear Heating in the Hydrodynamic Lubrication of Crankshaft Journal Bearing of a High-Torque Diesel Engine Operating at a Low Speed

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Saqib Naseer, Syed Adnan Qasim, Raja Amer Azim
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT03A025, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69307
https://doi.org/10.1115/FEDSM2017-69307
View Paper titled, Modeling Shear Heating in the Hydrodynamic Lubrication of Crankshaft Journal Bearing of a High-Torque Diesel Engine Operating at a Low Speed
Open the PDF for Modeling Shear Heating in the Hydrodynamic Lubrication of Crankshaft Journal Bearing of a High-Torque Diesel Engine Operating at a Low Speed in another window
Topics: Diesel engines, Heating, Journal bearings, Lubrication, Modeling, Shear (Mechanics), Torque, Bearings, Lubricants, Viscosity
Proceedings Papers

Measured Static and Rotordynamic Characteristics of a Smooth-Stator/Grooved-Rotor Liquid Annular Seal

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J. Alex Moreland, Dara W. Childs, Joshua T. Bullock
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT05A004, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69036
https://doi.org/10.1115/FEDSM2017-69036
View Paper titled, Measured Static and Rotordynamic Characteristics of a Smooth-Stator/Grooved-Rotor Liquid Annular Seal
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Topics: Rotors, Stators, Leakage, Pressure drop, Pumps, Stiffness, Clearances (Engineering), Damping, Fluids, Rotordynamics
Proceedings Papers

Vortical Flow Structure of Hub-Corner Separation in a Stator Cascade of a Multi-Stage Transonic Axial Compressor

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Seishiro Saito, Masato Furukawa, Kazutoyo Yamada, Yuki Tamura, Akinori Matsuoka, Naoyuki Niwa
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT02A004, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69116
https://doi.org/10.1115/FEDSM2017-69116
View Paper titled, Vortical Flow Structure of Hub-Corner Separation in a Stator Cascade of a Multi-Stage Transonic Axial Compressor
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Separation (Technology), Stators, Vortex flow, Flow (Dynamics), Vortices, Chords (Trusses), Clearances (Engineering)