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Ramin Dabirian
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Journal Articles

Numerical Simulation of Liquid Droplet Coalescence and Breakup

Shuxia Yuan, Ramin Dabirian, Ovadia Shoham, Ram S. Mohan
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. October 2020, 142(10): 102101.
Paper No: JERT-19-1643
https://doi.org/10.1115/1.4046603
Published Online: April 8, 2020
View Article titled, Numerical Simulation of Liquid Droplet Coalescence and Breakup
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Topics: Collisions (Physics), Drops, Shapes
Proceedings Papers

In-Line Testing of Novel Filter Media for Oil-Water Mixtures

Anisha Mule, Ramin Dabirian, Srinivas Swaroop Kolla, Ram Mohan, Ovadia Shoham
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A078, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5554
https://doi.org/10.1115/AJKFluids2019-5554
View Paper titled, In-Line Testing of Novel Filter Media for Oil-Water Mixtures
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Topics: Filters, Flow (Dynamics), Testing, Water
Proceedings Papers

CFD Simulation of Slug Dissipation in an Enlarged Impacting Tee

Mobina Mohammadikharkeshi, Mazdak Parsi, Ramin Dabirian, Ram S. Mohan, Ovadia Shoham
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A071, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5050
https://doi.org/10.1115/AJKFluids2019-5050
View Paper titled, CFD Simulation of Slug Dissipation in an Enlarged Impacting Tee
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Topics: Computational fluid dynamics, Energy dissipation, Junctions, Simulation, Slug flows
Proceedings Papers

Dissipation of Injected Slug in Enlarged Impacting Tee in Single Branch Blocking Configuration

Tanner Cole, Ramin Dabirian, Mobina Mohammadikharkeshi, Ram Mohan, Ovadia Shoham
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A072, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5054
https://doi.org/10.1115/AJKFluids2019-5054
View Paper titled, Dissipation of Injected Slug in Enlarged Impacting Tee in Single Branch Blocking Configuration
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Topics: Energy dissipation, Slug flows
Proceedings Papers

Foam Breakup in CFC/GLCC © System

Ramin Dabirian, Ardian Nababan, Ilias Gavrielatos, Ram S. Mohan, Ovadia Shoham
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, V001T06A012, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83315
https://doi.org/10.1115/FEDSM2018-83315
View Paper titled, Foam Breakup in CFC/GLCC © System
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Topics: Bubbles, Cutting, Drilling, Flow (Dynamics), Foams (Chemistry), Half-life, Petroleum industry, Separation (Technology), Surfactants
Proceedings Papers

Utilization of Churn Flow Coalescer for Improving Foam Breakup in Gas-Liquid Cylinderical Cyclone

Ramin Dabirian, Ilias Gavrielatos, Ram S. Mohan, Ovadia Shoham
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, V001T06A013, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83317
https://doi.org/10.1115/FEDSM2018-83317
View Paper titled, Utilization of Churn Flow Coalescer for Improving Foam Breakup in Gas-Liquid Cylinderical Cyclone
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Topics: Flow (Dynamics), Separation (Technology), Testing, Bubbles, Slug flows, Stability, Temperature
Proceedings Papers

Evaluation of Models for Droplet Shear Effect of Centrifugal Pump

Ramin Dabirian, Shihao Cui, Ilias Gavrielatos, Ram Mohan, Ovadia Shoham
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, V001T06A014, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83318
https://doi.org/10.1115/FEDSM2018-83318
View Paper titled, Evaluation of Models for Droplet Shear Effect of Centrifugal Pump
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Topics: Centrifugal pumps, Drops, Shear (Mechanics), Log normal distribution, Design, Flow (Dynamics), Petroleum, Production equipment, Pumps, Separation (Technology)
Proceedings Papers

Effect of Fluid Properties on Slug Dissipation in Enlarged Impacting Tee

Mobina Mohammadikharkeshi, Ramin Dabirian, Ovadia Shoham, Ram S. Mohan
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, V001T06A010, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83313
https://doi.org/10.1115/FEDSM2018-83313
View Paper titled, Effect of Fluid Properties on Slug Dissipation in Enlarged Impacting Tee
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Topics: Energy dissipation, Fluids, Slug flows, Extended irreversible thermodynamics, Manifolds, Pipes, Water, Blocks (Building materials), Flow (Dynamics), Gas flow
Proceedings Papers

Simulation of Coalescence and Breakup of Dispersed Water Droplets in Continuous Oil Phase

Shuxia Yuan, Ramin Dabirian, Ram S. Mohan, Ovadia Shoham
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, V001T06A011, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83314
https://doi.org/10.1115/FEDSM2018-83314
View Paper titled, Simulation of Coalescence and Breakup of Dispersed Water Droplets in Continuous Oil Phase
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Topics: Drops, Simulation, Water, Simulation results, Collisions (Physics), Computational fluid dynamics, Delays, Separation (Technology), Computer software, Fluids
Journal Articles

Effect of Shear and Water Cut on Phase Inversion and Droplet Size Distribution in Oil–Water Flow

Mo Zhang, Ramin Dabirian, Ram S. Mohan, Ovadia Shoham
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2019, 141(3): 032905.
Paper No: JERT-17-1720
https://doi.org/10.1115/1.4041661
Published Online: October 24, 2018
View Article titled, Effect of Shear and Water Cut on Phase Inversion and Droplet Size Distribution in Oil–Water Flow
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Topics: Drops, Flow (Dynamics), Pumps, Shear (Mechanics), Water, Gear pumps, Emulsions
Journal Articles

Oil/Water Emulsions Stabilized by Nanoparticles of Different Wettabilities

Ilias Gavrielatos, Ramin Dabirian, Ram S. Mohan, Ovadia Shoham
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2019, 141(2): 021301.
Paper No: FE-17-1820
https://doi.org/10.1115/1.4040465
Published Online: June 29, 2018
View Article titled, Oil/Water Emulsions Stabilized by Nanoparticles of Different Wettabilities
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Topics: Emulsions, Nanoparticles, Water, Separation (Technology), Fluids
Journal Articles

Sand Transport in Slightly Upward Inclined Multiphase Flow

Ramin Dabirian, Ram Mohan, Ovadia Shoham, Gene Kouba
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. July 2018, 140(7): 072901.
Paper No: JERT-17-1243
https://doi.org/10.1115/1.4039269
Published Online: February 27, 2018
View Article titled, Sand Transport in Slightly Upward Inclined Multiphase Flow
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Topics: Flow (Dynamics), Particulate matter, Sands, Pipes
Proceedings Papers

Performance of Supercritical Slurry Jet Drilling System

Ashwin Padsalgikar, Ramin Dabirian, Ken Oglesby, Ram S. Mohan, Ovadia Shoham
Proc. ASME. FEDSM2017, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT15A013, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69462
https://doi.org/10.1115/FEDSM2017-69462
View Paper titled, Performance of Supercritical Slurry Jet Drilling System
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Topics: Drilling, Slurries, Nozzles, Particulate matter, Flow (Dynamics), Fluids, Geometry, Carbon dioxide, Critical points (Physics), Cutting
Proceedings Papers

Experimental Investigation of Sand Bed Height and Wave Height in Gas-Slurry Stratified Flow

Ashwin Padsalgikar, Ramin Dabirian, Ram S. Mohan, Ovadia Shoham
Proc. ASME. FEDSM2017, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT15A010, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69409
https://doi.org/10.1115/FEDSM2017-69409
View Paper titled, Experimental Investigation of Sand Bed Height and Wave Height in Gas-Slurry Stratified Flow
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Topics: Sands, Slurries, Stratified flow, Waves, Flow (Dynamics), Particulate matter, Pipelines, Corrosion, Crude oil, Design
Proceedings Papers

Separation Kinetics of Oil/Water Emulsions Stabilized by Nanoparticles

Ilias Gavrielatos, Ramin Dabirian, Ram S. Mohan, Ovadia Shoham
Proc. ASME. FEDSM2017, Volume 1B, Symposia: Fluid Measurement and Instrumentation; Fluid Dynamics of Wind Energy; Renewable and Sustainable Energy Conversion; Energy and Process Engineering; Microfluidics and Nanofluidics; Development and Applications in Computational Fluid Dynamics; DNS/LES and Hybrid RANS/LES Methods, V01BT10A005, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69112
https://doi.org/10.1115/FEDSM2017-69112
View Paper titled, Separation Kinetics of Oil/Water Emulsions Stabilized by Nanoparticles
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Topics: Emulsions, Nanoparticles, Separation (Technology), Water, Fluids, Particulate matter, Die cutting, Shearing (Deformation), Computer software, Density
Proceedings Papers

Sand Flow Regimes in Slightly Upward Inclined Gas-Liquid Stratified Flow

Ramin Dabirian, Ram S. Mohan, Ovadia Shoham, Gene Kouba
Proc. ASME. FEDSM2016, Volume 1B, Symposia: Fluid Mechanics (Fundamental Issues and Perspectives; Industrial and Environmental Applications); Multiphase Flow and Systems (Multiscale Methods; Noninvasive Measurements; Numerical Methods; Heat Transfer; Performance); Transport Phenomena (Clean Energy; Mixing; Manufacturing and Materials Processing); Turbulent Flows — Issues and Perspectives; Algorithms and Applications for High Performance CFD Computation; Fluid Power; Fluid Dynamics of Wind Energy; Marine Hydrodynamics, V01BT28A003, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7729
https://doi.org/10.1115/FEDSM2016-7729
View Paper titled, Sand Flow Regimes in Slightly Upward Inclined Gas-Liquid Stratified Flow
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Topics: Flow (Dynamics), Sands, Stratified flow, Particulate matter, Pipes, Water, Pipelines, Failure, Fluids, Glass