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Theodore J. Heindel
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Proceedings Papers

Characterizing Air Entrainment at the Gas-Liquid Interface in Stirred Tank Reactors

Mohammed Y. Al-Subaey, Alberto Passalacqua, Theodore J. Heindel
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T04A007, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130358
https://doi.org/10.1115/FEDSM2024-130358
View Paper titled, Characterizing Air Entrainment at the Gas-Liquid Interface in Stirred Tank Reactors
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Topics: Air entrainment, Multiphase flow
Journal Articles

Plume Spreading Due to Floor Conditions of a Plunging Liquid Jet Using Stereographic Backlit Imaging

Roy A. Pillers, Theodore J. Heindel
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2024, 146(4): 041202.
Paper No: FE-23-1230
https://doi.org/10.1115/1.4064004
Published Online: January 12, 2024
View Article titled, Plume Spreading Due to Floor Conditions of a Plunging Liquid Jet Using Stereographic Backlit Imaging
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Topics: Bubbles, Plumes (Fluid dynamics)
Journal Articles

Noninvasive Imaging of a Liquid Jet

Courtney K. Beringer, Timothy B. Morgan, Alan L. Kastengren, Theodore J. Heindel
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2023, 145(2): 021404.
Paper No: FE-22-1416
https://doi.org/10.1115/1.4056130
Published Online: November 23, 2022
View Article titled, Noninvasive Imaging of a Liquid Jet
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Topics: Imaging, Flow (Dynamics), Turbulence
Includes: Supplementary data
Proceedings Papers

Stereographic Backlit Imaging and Bubble Identification From a Plunging Jet With Floor Interactions

Roy A. Pillers, Theodore J. Heindel
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T04A002, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65313
https://doi.org/10.1115/FEDSM2021-65313
View Paper titled, Stereographic Backlit Imaging and Bubble Identification From a Plunging Jet With Floor Interactions
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Topics: Bubbles, Flow (Dynamics), Imaging, Jets, Dynamics (Mechanics), Plumes (Fluid dynamics), Dams, Flow visualization, Hydrodynamics, Metals
Proceedings Papers

Backlit Imaging of a Circular Plunging Jet With Floor Interactions

Roy A. Pillers, Theodore J. Heindel
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A004, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20040
https://doi.org/10.1115/FEDSM2020-20040
View Paper titled, Backlit Imaging of a Circular Plunging Jet With Floor Interactions
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Topics: Air entrainment, Bubbles, Compression, Dams, Flow (Dynamics), Flow visualization, Fuels, Imaging, Jets, Metals
Journal Articles

Image-Based Feedback Control for a Coaxial Spray

Julie K. Bothell, Timothy B. Morgan, Theodore J. Heindel
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. November 2020, 142(11): 114501.
Paper No: FE-20-1030
https://doi.org/10.1115/1.4048131
Published Online: September 4, 2020
View Article titled, Image-Based Feedback Control for a Coaxial Spray
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Topics: Feedback, Sprays, Imaging
Proceedings Papers

High-Speed Flow Visualization of a Canonical Airblast Atomizer Using Synchrotron X-Rays

Theodore J. Heindel, Timothy B. Morgan, Thomas J. Burtnett, Julie K. Bothell, Danyu Li, Alberto Aliseda, Nathanael Machicoane
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A036, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4992
https://doi.org/10.1115/AJKFluids2019-4992
View Paper titled, High-Speed Flow Visualization of a Canonical Airblast Atomizer Using Synchrotron X-Rays
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Topics: Flow visualization, X-rays
Proceedings Papers

X-Ray Flow Visualization of Cyclopentane Hydrate Formation

Roy A. Pillers, Timothy B. Morgan, Theodore J. Heindel, Douglas Estanga
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A073, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5091
https://doi.org/10.1115/AJKFluids2019-5091
View Paper titled, X-Ray Flow Visualization of Cyclopentane Hydrate Formation
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Topics: Computerized tomography, Flow visualization, X-ray imaging, X-rays
Proceedings Papers

Visualizing Near-Field Spray Characteristics With Broadband X-Rays

Danyu Li, Timothy B. Morgan, Luke D. Pulfer, Theodore J. Heindel
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, V01BT06A005, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69088
https://doi.org/10.1115/FEDSM2017-69088
View Paper titled, Visualizing Near-Field Spray Characteristics With Broadband X-Rays
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Topics: Sprays, X-rays, Lasers, Nozzles, Additive manufacturing, Coating processes, Coatings, Combustion systems, Computerized tomography, Drops
Journal Articles

Characterizing Jetting in an Acoustic Fluidized Bed Using X-Ray Computed Tomography

David R. Escudero, Theodore J. Heindel
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2016, 138(4): 041309.
Paper No: FE-14-1668
https://doi.org/10.1115/1.4031681
Published Online: December 8, 2015
View Article titled, Characterizing Jetting in an Acoustic Fluidized Bed Using X-Ray Computed Tomography
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Topics: Acoustics, Fluidized beds, Glass beads, Jets, Computerized tomography, Shells, Particulate matter, Vibration
Proceedings Papers

Effect of Biomass Inlet Concentration on Mixing in a Double Screw Pyrolyzer

Breanna L. Marmur, Theodore J. Heindel
Proc. ASME. AJKFluids2015, Volume 2: Fora, V002T34A005, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-34422
https://doi.org/10.1115/AJKFluids2015-34422
View Paper titled, Effect of Biomass Inlet Concentration on Mixing in a Double Screw Pyrolyzer
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Topics: Biomass, Screws, Flow (Dynamics), Glass beads, Heat, Diesel, Fuels, Gasoline, Oxygen, Particle flow
Proceedings Papers

Characterizing Jetting in an Acoustic Fluidized Bed Using X-Ray Computed Tomography

David R. Escudero, Theodore J. Heindel
Proc. ASME. FEDSM2014, Volume 1C, Symposia: Fundamental Issues and Perspectives in Fluid Mechanics; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Gas-Solid Flows: Dedicated to the Memory of Professor Clayton T. Crowe; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT18A001, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21161
https://doi.org/10.1115/FEDSM2014-21161
View Paper titled, Characterizing Jetting in an Acoustic Fluidized Bed Using X-Ray Computed Tomography
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Topics: Acoustics, Computerized tomography, Fluidized beds, Jets, Particulate matter, Density, Erosion, Fluidization, Glass beads, Heat
Proceedings Papers

Characterizing Granular Mixing Homogeneity at Various Dimensionless Mixing Lengths in a Double Screw Mixer

Todd A. Kingston, Theodore J. Heindel
Proc. ASME. FEDSM2014, Volume 1D, Symposia: Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations, V01DT26A001, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21048
https://doi.org/10.1115/FEDSM2014-21048
View Paper titled, Characterizing Granular Mixing Homogeneity at Various Dimensionless Mixing Lengths in a Double Screw Mixer
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Topics: Screws, Rotation, Drugs, Energy consumption, Energy conversion, Food products, Statistical analysis, Testing
Proceedings Papers

A High-Speed X-Ray Detector System for Noninvasive Fluid Flow Measurements

Timothy B. Morgan, Benjamin R. Halls, Terrence R. Meyer, Theodore J. Heindel
Proc. ASME. FEDSM2013, Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives, V01CT24A004, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16427
https://doi.org/10.1115/FEDSM2013-16427
View Paper titled, A High-Speed X-Ray Detector System for Noninvasive Fluid Flow Measurements
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Topics: Fluid dynamics, Sensors, X-rays, Multiphase flow, Flow (Dynamics), Bubbles, Computerized tomography, Fluidized beds, Hardware, Imaging
Proceedings Papers

Visualization and Composition Analysis to Quantify Mixing in a Screw Pyrolyzer

Todd A. Kingston, Theodore J. Heindel
Proc. ASME. FEDSM2013, Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress, V002T22A001, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16054
https://doi.org/10.1115/FEDSM2013-16054
View Paper titled, Visualization and Composition Analysis to Quantify Mixing in a Screw Pyrolyzer
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Topics: Screws, Visualization
Proceedings Papers

Characterizing Acoustic Fluidized Bed Hydrodynamics Using X-Ray Computed Tomography

David R. Escudero, Theodore J. Heindel
Proc. ASME. FEDSM2013, Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress, V002T22A002, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16094
https://doi.org/10.1115/FEDSM2013-16094
View Paper titled, Characterizing Acoustic Fluidized Bed Hydrodynamics Using X-Ray Computed Tomography
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Topics: Acoustics, Computerized tomography, Fluidized beds, Hydrodynamics
Proceedings Papers

Acoustic Field Effects on Minimum Fluidization Velocity in a 3D Fluidized Bed

David R. Escudero, Theodore J. Heindel
Proc. ASME. FEDSM2012, Volume 2: Fora, 47-53, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2012-72041
https://doi.org/10.1115/FEDSM2012-72041
View Paper titled, Acoustic Field Effects on Minimum Fluidization Velocity in a 3D Fluidized Bed
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Topics: Acoustics, Fluidization, Fluidized beds
Journal Articles

Comparisons of Annular Hydrodynamic Structures in 3D Fluidized Beds Using X-Ray Computed Tomography Imaging

Joshua B. Drake, Theodore J. Heindel
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Multiphase Flows
J. Fluids Eng. August 2012, 134(8): 081305.
https://doi.org/10.1115/1.4007119
Published Online: August 9, 2012
View Article titled, Comparisons of Annular Hydrodynamic Structures in 3D Fluidized Beds Using X-Ray Computed Tomography Imaging
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Topics: Bubbles, Computerized tomography, Flow (Dynamics), Fluidized beds, Glass beads, Particulate matter, Density, Imaging, Shells, Shear (Mechanics)
Proceedings Papers

Cavitation From a Butterfly Valve: Comparing 3D Simulations to 3D X-Ray Computed Tomography Flow Visualization

Graham Brett, Marc Riveland, Terrence C. Jensen, Theodore J. Heindel
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora, 161-169, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-33003
https://doi.org/10.1115/AJK2011-33003
View Paper titled, Cavitation From a Butterfly Valve: Comparing 3D Simulations to 3D X-Ray Computed Tomography Flow Visualization
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Topics: Cavitation, Computational fluid dynamics, Computerized tomography, Engineering simulation, Flow visualization, Imaging, Simulation, Valves
Proceedings Papers

Developing Tracer Particles for X-Ray Particle Tracking Velocimetry

Joshua B. Drake, Andrea L. Kenney, Timothy B. Morgan, Theodore J. Heindel
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2685-2692, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-11009
https://doi.org/10.1115/AJK2011-11009
View Paper titled, Developing Tracer Particles for X-Ray Particle Tracking Velocimetry
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Topics: Flow visualization, Imaging, Particulate matter, X-rays