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John J. Charonko
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Proceedings Papers

A Novel Break Point Parameter as a Diagnostic Tool for Left Ventricular Diastolic Dysfunction

Kelley C. Stewart, Rahul Kumar, John J. Charonko, Pavlos P. Vlachos, William C. Little
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 555-556, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192999
https://doi.org/10.1115/SBC2008-192999
View Paper titled, A Novel Break Point Parameter as a Diagnostic Tool for Left Ventricular Diastolic Dysfunction
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Topics: Cardiovascular system, Diseases, Echocardiography
Proceedings Papers

A Time Resolved DPIV In-Vitro Evaluation of Coronary Stents in Realistic Conditions: Part I — Influence of Stent Configuration

John J. Charonko, Satya P. Karri, Jaime Schmieg, Santosh V. Prabhu, Pavlos P. Vlachos
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 975-976, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192651
https://doi.org/10.1115/SBC2008-192651
View Paper titled, A Time Resolved DPIV In-Vitro Evaluation of Coronary Stents in Realistic Conditions: Part I — Influence of Stent Configuration
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Topics: Stents, Diseases, Atherosclerosis, Cardiovascular system, Coronary arteries, Design, Drugs, Endothelial cells, Metals, Performance
Proceedings Papers

A Hydrodynamic Efficiency Parameter as a Novel Left Ventricular Diastolic Dysfunction Diagnostic Metric

Kelley C. Stewart, Rahul Kumar, John J. Charonko, Pavlos P. Vlachos, William C. Little
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 49-50, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192954
https://doi.org/10.1115/SBC2008-192954
View Paper titled, A Hydrodynamic Efficiency Parameter as a Novel Left Ventricular Diastolic Dysfunction Diagnostic Metric
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Topics: Flow (Dynamics), Physics, Wave propagation, Waves
Proceedings Papers

A Time Resolved DPIV In-Vitro Evaluation of Coronary Stents in Realistic Conditions: Part II — Effect of Stent Design

John J. Charonko, Satya P. Karri, Jaime Schmieg, Santosh V. Prabhu, Pavlos P. Vlachos
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 391-392, June 25–29, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SBC2008-192646
https://doi.org/10.1115/SBC2008-192646
View Paper titled, A Time Resolved DPIV In-Vitro Evaluation of Coronary Stents in Realistic Conditions: Part II — Effect of Stent Design
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Topics: Design, Stents, Diseases, Cardiovascular system, Coronary arteries, Drugs, Endothelial cells, Food and Drug Administration, Frequency-domain analysis, Metals
Proceedings Papers

Estimation of Uncertainty Bounds From Cross Correlation Peak Ratio for Individual PIV Measurements

John J. Charonko, Pavlos P. Vlachos
Proc. ASME. FEDSM2012, Volume 2: Fora, 23-33, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2012-72475
https://doi.org/10.1115/FEDSM2012-72475
View Paper titled, Estimation of Uncertainty Bounds From Cross Correlation Peak Ratio for Individual PIV Measurements
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Topics: Uncertainty, Errors, Flow (Dynamics), Computational fluid dynamics, Engineering design, Fluids, Particulate matter, Resolution (Optics)
Proceedings Papers

Estimation of Left Ventricular Wall Stiffness by Analysis of Late Diastolic Pressure Components

Casandra L. Niebel, Kelley C. Stewart, Takahiro Ohara, John J. Charonko, Pavlos P. Vlachos, William C. Little
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 1089-1090, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53295
https://doi.org/10.1115/SBC2011-53295
View Paper titled, Estimation of Left Ventricular Wall Stiffness by Analysis of Late Diastolic Pressure Components
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Topics: Pressure, Stiffness, Failure, Relaxation (Physics), Heart failure, Waves
Proceedings Papers

Left Ventricular Vortex Ring Dynamics and Their Association to Early Diastolic Filling

Kelley C. Stewart, John J. Charonko, Takahiro Ohara, William C. Little, Pavlos P. Vlachos
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 1093-1094, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53398
https://doi.org/10.1115/SBC2011-53398
View Paper titled, Left Ventricular Vortex Ring Dynamics and Their Association to Early Diastolic Filling
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Topics: Dynamics (Mechanics), Pressure, Vortices, Waves
Proceedings Papers

A Relationship Between Pressure Fields and Flow Patterns During Left Ventricular Diastolic Dysfunction Using 2D Phase Contrast MRI

John J. Charonko, Rahul Kumar, Kelley Stewart, William C. Little, Pavlos P. Vlachos
Proc. ASME. SBC2010, ASME 2010 Summer Bioengineering Conference, Parts A and B, 637-638, June 16–19, 2010
Publisher: American Society of Mechanical Engineers
Paper No: SBC2010-19423
https://doi.org/10.1115/SBC2010-19423
View Paper titled, A Relationship Between Pressure Fields and Flow Patterns During Left Ventricular Diastolic Dysfunction Using 2D Phase Contrast MRI
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Topics: Flow (Dynamics), Magnetic resonance imaging, Pressure, Blood, Diseases, Heart failure, Risk
Proceedings Papers

Investigation of the Relationship Between Color M-Mode Early Diastolic Propagation Velocity and Left Ventricular Adverse Pressure Gradients

Kelley C. Stewart, Rahul Kumar, John J. Charonko, Pavlos P. Vlachos, William C. Little
Proc. ASME. SBC2010, ASME 2010 Summer Bioengineering Conference, Parts A and B, 221-222, June 16–19, 2010
Publisher: American Society of Mechanical Engineers
Paper No: SBC2010-19449
https://doi.org/10.1115/SBC2010-19449
View Paper titled, Investigation of the Relationship Between Color M-Mode Early Diastolic Propagation Velocity and Left Ventricular Adverse Pressure Gradients
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Topics: Dynamics (Mechanics), Flow (Dynamics), Heart failure, Physics, Pressure, Pressure gradient
Proceedings Papers

Time-Accurate Measurement of Pressure From Particle Image Velocimetry Data (Keynote)

John J. Charonko, Pavlos P. Vlachos
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 11-19, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37282
https://doi.org/10.1115/FEDSM2007-37282
View Paper titled, Time-Accurate Measurement of Pressure From Particle Image Velocimetry Data (Keynote)
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Topics: Particulate matter, Pressure, Flow (Dynamics), Errors, Pulsatile flow, Airfoils, Physics, Plates (structures), Poisson equation, Pressure gradient
Proceedings Papers

Phase Correlation Processing for DPIV Measurements: Part I — Spatial Domain Analysis

Adric C. Eckstein, John J. Charonko, Pavlos P. Vlachos
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 749-759, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37286
https://doi.org/10.1115/FEDSM2007-37286
View Paper titled, Phase Correlation Processing for DPIV Measurements: Part I — Spatial Domain Analysis
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Topics: Accuracy and precision, Error analysis, Errors, Filters, Filtration, Particulate matter, Resolution (Optics)
Proceedings Papers

Phase Correlation Processing for DPIV Measurements: Part II — Spectral Domain Analysis

Adric C. Eckstein, John J. Charonko, Pavlos P. Vlachos
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 761-771, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37288
https://doi.org/10.1115/FEDSM2007-37288
View Paper titled, Phase Correlation Processing for DPIV Measurements: Part II — Spectral Domain Analysis
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Topics: Displacement, Engineering simulation, Error analysis, Errors, Filters, Filtration, Noise (Sound), Particulate matter, Simulation
Journal Articles

A Scaling Parameter for Predicting Pressure Wave Reflection in Stented Arteries

John J. Charonko, Saad A. Ragab, Pavlos P. Vlachos
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Research Papers
J. Med. Devices. March 2009, 3(1): 011006.
https://doi.org/10.1115/1.3089140
Published Online: March 10, 2009
View Article titled, A Scaling Parameter for Predicting Pressure Wave Reflection in Stented Arteries
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Topics: Pressure, Reflection, Stents, Stiffness, Vessels, Waves
Proceedings Papers

Improvements to the Dynamic Range of Velocity Measurements Using DPIV

John J. Charonko, Pavlos P. Vlachos
Proc. ASME. FEDSM2006, Volume 2: Fora, 917-925, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98112
https://doi.org/10.1115/FEDSM2006-98112
View Paper titled, Improvements to the Dynamic Range of Velocity Measurements Using DPIV
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Topics: Error analysis, Velocity measurement, Errors, Flow (Dynamics), Lasers, Delays, Displacement, Displacement measurement, Jets, Resolution (Optics)
Proceedings Papers

On the Dynamics of Active Flow Control Over a Separated Airfoil Using Leading Edge Unsteady Blowing

John J. Charonko, Pavlos P. Vlachos
Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 21-31, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98097
https://doi.org/10.1115/FEDSM2006-98097
View Paper titled, On the Dynamics of Active Flow Control Over a Separated Airfoil Using Leading Edge Unsteady Blowing
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Topics: Airfoils, Dynamics (Mechanics), Flow control, Separation (Technology), Flow (Dynamics), Cycles, Momentum, Wings, Chords (Trusses), Drag (Fluid dynamics)
Proceedings Papers

A Numerical and Experimental Analysis of Cardiovascular Stent Design Considerations

John J. Charonko, Saad A. Ragab, Pavlos P. Vlachos
Proc. ASME. IMECE2003, Advances in Bioengineering, 63-64, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-42770
https://doi.org/10.1115/IMECE2003-42770
View Paper titled, A Numerical and Experimental Analysis of Cardiovascular Stent Design Considerations
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Topics: Cardiovascular system, Design, Experimental analysis, Stents, Pressure, Waves, Computer simulation, Failure, Reflection, Stiffness