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Paul E. Sojka
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Proceedings Papers

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

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

Flow Characterization in the Upper Cavity of a Rotary Compressor

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

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

Visualization of Oil Droplets Distribution in a Rotary Compressor

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

Quantifying the Spatial-Temporal Evolution of Rim/Ligament in Drop Breakup via Digital In-Line Holography

Longchao Yao, Jun Chen, Paul E. Sojka, Xuecheng Wu
Proc. ASME. FEDSM2018, Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics, V001T15A008, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83470
https://doi.org/10.1115/FEDSM2018-83470
View Paper titled, Quantifying the Spatial-Temporal Evolution of Rim/Ligament in Drop Breakup via Digital In-Line Holography
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Topics: Holography, Drops, Deformation, Ethanol, Uncertainty, Visualization
Proceedings Papers

Characterization of the Bag Breakup of Liquid Drop Using High-Speed Digital In-Line Holography

Longchao Yao, Jun Chen, Paul E. Sojka, Xuecheng 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, V002T14A015, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83467
https://doi.org/10.1115/FEDSM2018-83467
View Paper titled, Characterization of the Bag Breakup of Liquid Drop Using High-Speed Digital In-Line Holography
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Topics: Drops, Holography, Rupture, Ethanol, Fuels, Gas turbines, Sprays, Thin wall structures
Proceedings Papers

Analytical Model for the Deformation of Viscoelastic Non-Newtonian Drops Undergoing Secondary Atomization

Sharon E. Snyder, Varun Kulkarni, Paul E. Sojka
Proc. ASME. IMECE2016, Volume 7: Fluids Engineering, V007T09A015, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-67579
https://doi.org/10.1115/IMECE2016-67579
View Paper titled, Analytical Model for the Deformation of Viscoelastic Non-Newtonian Drops Undergoing Secondary Atomization
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Topics: Deformation, Drops, Viscoelasticity, Drag (Fluid dynamics), Oscillations, Relaxation (Physics), Rheology, Water
Proceedings Papers

Spatially Resolved Gelled Propellant Spray Characteristics of Impinging Jets

Neil S. Rodrigues, Paul E. Sojka
Proc. ASME. IMECE2015, Volume 1: Advances in Aerospace Technology, V001T01A036, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-51465
https://doi.org/10.1115/IMECE2015-51465
View Paper titled, Spatially Resolved Gelled Propellant Spray Characteristics of Impinging Jets
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Topics: Jets, Propellants, Sprays, Agar, Rheology, Water
Proceedings Papers

Measurement of Aerodynamic Breakup of Non-Newtonian Drops by Digital In-Line Holography

Jian Gao, Neil S. Rodrigues, Paul E. Sojka, Jun Chen
Proc. ASME. FEDSM2014, Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress; Fluid-Particle Interactions in Turbulence, V002T11A009, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-22039
https://doi.org/10.1115/FEDSM2014-22039
View Paper titled, Measurement of Aerodynamic Breakup of Non-Newtonian Drops by Digital In-Line Holography
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Topics: Holography, Non-Newtonian fluids, Drops, Sprays, Viscosity, Aerospace industry, Biofuel, Combustion systems, Explosives, Fire
Proceedings Papers

Evaluation of Spray Characteristics in Pharmaceutical Tablet Coating Processes: The Influences of Drum Rotational Speed and Drying Air Flow Rate

Ariel R. Muliadi, Paul E. Sojka
Proc. ASME. IMECE2009, Volume 3: Combustion Science and Engineering, 371-382, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12678
https://doi.org/10.1115/IMECE2009-12678
View Paper titled, Evaluation of Spray Characteristics in Pharmaceutical Tablet Coating Processes: The Influences of Drum Rotational Speed and Drying Air Flow Rate
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Topics: Air flow, Coating processes, Drugs, Drying, Sprays, Pressure, Rotation, Nozzles, Plasma spraying, Spraying (Coating processes)
Journal Articles

A Comparison of Phase Doppler Analyzer (Dual-PDA) and Optical Patternator Data for Twin-Fluid and Pressure-Swirl Atomizer Sprays

Ariel R. Muliadi, Paul E. Sojka, Yudaya R. Sivathanu, Jongmook Lim
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 2010, 132(6): 061402.
https://doi.org/10.1115/1.4000702
Published Online: June 23, 2010
View Articletitled, A Comparison of Phase Doppler Analyzer (Dual-PDA) and Optical Patternator Data for Twin-Fluid and Pressure-Swirl Atomizer Sprays
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Topics: Sprays, Drops
Proceedings Papers

Secondary Breakup of Electrically Charged Newtonian Drops

Daniel R. Guildenbecher, Paul E. Sojka
Proc. ASME. IMECE2007, Volume 7: Engineering Education and Professional Development, 807-812, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41898
https://doi.org/10.1115/IMECE2007-41898
View Paper titled, Secondary Breakup of Electrically Charged Newtonian Drops
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Topics: Relaxation (Physics), Stress
Proceedings Papers

Comparison of Particle Dynamics Analyzer (PDA) and SetScan Optical Patternator Results

Ariel R. Muliadi, Paul E. Sojka, Yudaya R. Sivathanu, Jongmook Lim
Proc. ASME. IMECE2007, Volume 6: Energy Systems: Analysis, Thermodynamics and Sustainability, 847-858, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43520
https://doi.org/10.1115/IMECE2007-43520
View Paper titled, Comparison of Particle Dynamics Analyzer (PDA) and SetScan Optical Patternator Results
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Topics: Particle dynamics, Accounting, Data acquisition, Density, Drops, Dynamics (Mechanics), Instrumentation, Sprays
Proceedings Papers

Size and Velocity Characterization of Asymmetric Twin-Fluid Nebulizer Sprays

Celienid Lopez, Paul E. Sojka
Proc. ASME. IMECE2006, Fluids Engineering, 493-503, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-13287
https://doi.org/10.1115/IMECE2006-13287
View Paper titled, Size and Velocity Characterization of Asymmetric Twin-Fluid Nebulizer Sprays
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Topics: Fluids, Sprays, Drops, Drugs, Ethanol, Flow (Dynamics), Mass spectrometry, Velocity measurement, Water
Proceedings Papers

Drop Formation in Non-Newtonian Jets at Low Reynolds Number

Vineet Dravid, Ping Bu Loke, Carlos M. Corvalan, Paul E. Sojka
Proc. ASME. IMECE2006, Fluids Engineering, 505-513, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-13288
https://doi.org/10.1115/IMECE2006-13288
View Paper titled, Drop Formation in Non-Newtonian Jets at Low Reynolds Number
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Topics: Jets, Reynolds number, Shear (Mechanics), Satellites, Shapes, Boundary-value problems, Fluids, Kinematics
Proceedings Papers

Impact of Non-Newtonian Drops on Pharmaceutical Tablet Surfaces

Alexis Dechelette, Paul E. Sojka, Carl R. Wassgren
Proc. ASME. IMECE2006, Fluids Engineering, 515-520, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-13289
https://doi.org/10.1115/IMECE2006-13289
View Paper titled, Impact of Non-Newtonian Drops on Pharmaceutical Tablet Surfaces
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Topics: Drugs, Flow (Dynamics), Fluids, Rheology
Proceedings Papers

Hybrid Pressure-Swirl/Twin-Fluid Atomizer for Emission Controls

Andrew C. S. Lee, Paul E. Sojka
Proc. ASME. IMECE2006, Energy Conversion and Resources, 215-223, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-13360
https://doi.org/10.1115/IMECE2006-13360
View Paper titled, Hybrid Pressure-Swirl/Twin-Fluid Atomizer for Emission Controls
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Topics: Air pollution control, Fluids, Pressure, Air flow, Flow (Dynamics), Turbulence, Geometry, Instrumentation, Jets, Light scattering