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Proceedings Papers

PIV Uncertainty: Computational and Experimental Evaluation of the Peak Ratio Method

Stamatios Pothos, Aaron Boomsma, Dan Troolin, Sayantan Bhattacharya, Pavlos Vlachos
Proc. ASME. FEDSM2016, Volume 2, Fora: Advances in Fluids Engineering Education; Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation, V002T10A005, July 10–14, 2016
Paper No: FEDSM2016-7926
DOI: https://doi.org/10.1115/FEDSM2016-7926
View Paper titled, PIV Uncertainty: Computational and Experimental Evaluation of the Peak Ratio Method
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Topics: Uncertainty, Flow (Dynamics), Image registration, Boundary layer turbulence, Errors, Jets, Magnification, Measurement systems, Resolution (Optics), Uncertainty quantification
Proceedings Papers

Magnetic Drug Targeting: Drug Delivery in Large Vasculature

Jaime Schmieg, Alicia Williams, Pavlos Vlachos
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 985-986, June 25–29, 2008
Paper No: SBC2008-193157
DOI: https://doi.org/10.1115/SBC2008-193157
View Paper titled, Magnetic Drug Targeting: Drug Delivery in Large Vasculature
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Topics: Drug delivery systems, Drugs, Diseases, Biomedicine, Cancer, Hazardous substances
Proceedings Papers

Effect of Stent Design Parameters on Fluid and Structural Mechanics in Coronary Arteries

Shannon B. Geiger, Mark P. Golay, Benjamin G. Harless, Brice A. Holzgang, David R. Pugh, Rawley J. Stanhope, Patricia S. Wolfe, Karri Satyaprakash, Olga Pierrakos, Pavlos Vlachos
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 737-738, June 20–24, 2007
Paper No: SBC2007-176532
DOI: https://doi.org/10.1115/SBC2007-176532
View Paper titled, Effect of Stent Design Parameters on Fluid and Structural Mechanics in Coronary Arteries
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Topics: Coronary arteries, Design, Fluids, Stents, Structural analysis, Structural mechanics, Metals, Drugs, Flow (Dynamics), Surgery
Proceedings Papers

Time Resolved DPIV Analysis of Pulsatile Flow in Symmetric Stenotic Arteries: A Comparison Between Arterial and Coronary Flow

Satyaprakash Babu Karri, Etebari Ali, Pavlos Vlachos
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 519-520, June 20–24, 2007
Paper No: SBC2007-176533
DOI: https://doi.org/10.1115/SBC2007-176533
View Paper titled, Time Resolved DPIV Analysis of Pulsatile Flow in Symmetric Stenotic Arteries: A Comparison Between Arterial and Coronary Flow
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Topics: Flow (Dynamics), Pulsatile flow, Shear stress, Blood flow, Flow separation, Hemodynamics, Platelets, Shear (Mechanics), Shear rate
Proceedings Papers

Turbulent vs. Vortex Ring Energy Losses in the Left Ventricle

Olga Pierrakos, Pavlos Vlachos
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 231-232, June 20–24, 2007
Paper No: SBC2007-176668
DOI: https://doi.org/10.1115/SBC2007-176668
View Paper titled, Turbulent vs. Vortex Ring Energy Losses in the Left Ventricle
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Topics: Energy dissipation, Turbulence, Vortices, Flow (Dynamics), Valves, Design, Geometry, Heart valve prostheses, Hemodynamics, Jets
Proceedings Papers

2D Analysis of Acoustic Transfer Through the Chest Cavity of Sounds Associated With Coronary Artery Disease

Daniel Cooper, Pavlos Vlachos, Michael Roan
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 715-716, June 17–21, 2009
Paper No: SBC2009-206698
DOI: https://doi.org/10.1115/SBC2009-206698
View Paper titled, 2D Analysis of Acoustic Transfer Through the Chest Cavity of Sounds Associated With Coronary Artery Disease
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Topics: Acoustics, Cavities, Coronary arteries, Diseases, Computer-aided design, Cardiovascular system, Accounting, Biomedicine, Flow (Dynamics), Noise (Sound)
Proceedings Papers

Blood Flow Characterization in a Perfused Collagen Vessel Bioreactor Using X-Ray Micro-PIV

Elizabeth Voigt, Cara F. Buchanan, M. Nichole Rylander, Pavlos Vlachos
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 261-262, June 20–23, 2012
Paper No: SBC2012-80700
DOI: https://doi.org/10.1115/SBC2012-80700
View Paper titled, Blood Flow Characterization in a Perfused Collagen Vessel Bioreactor Using X-Ray Micro-PIV
Click here to open pdf in another window PDF for Blood Flow Characterization in a Perfused Collagen Vessel Bioreactor Using X-Ray Micro-PIV
Topics: Biological tissues, Bioreactors, Blood, Blood flow, Cancer, Design, Flow (Dynamics), Fluids, Food and Drug Administration, Frequency-domain analysis
Proceedings Papers

Wall Shear Stress Measurements in an Arterial Flow Bioreactor

Elizabeth Voigt, Cara Buchanan, Jaime Schmieg, M. Nichole Rylander, Pavlos Vlachos
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 1143-1144, June 22–25, 2011
Paper No: SBC2011-53333
DOI: https://doi.org/10.1115/SBC2011-53333
View Paper titled, Wall Shear Stress Measurements in an Arterial Flow Bioreactor
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Topics: Bioreactors, Flow (Dynamics), Shear stress, Endothelial cells, Physiology, Biological tissues, Blood flow, Hemodynamics, Poiseuille flow, Pressure
Proceedings Papers

Liquid Entrainment by Round Turbulent Gas Jets Submerged in Water

Brady Drew, John Charonko, Pavlos Vlachos
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2723-2731, July 24–29, 2011
Paper No: AJK2011-11015
DOI: https://doi.org/10.1115/AJK2011-11015
View Paper titled, Liquid Entrainment by Round Turbulent Gas Jets Submerged in Water
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Topics: Jets, Turbulence, Water, Flow visualization, Dynamics (Mechanics), Flow (Dynamics), Nozzles, Particulate matter, Pinch effect, Plumes (Fluid dynamics)
Proceedings Papers

The Penetration of Submerged Round Turbulent Gas Jets in Water

Chris Weiland, Pavlos Vlachos
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 2851-2862, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31029
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-31029
View Paper titled, The Penetration of Submerged Round Turbulent Gas Jets in Water
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Topics: Jets, Turbulence, Water, Pinch effect, Probes, Bubbles, Fluctuations (Physics), Fluids, Mach number, Photography
Proceedings Papers

The Effect of Mach Number and Aspect Ratio on the Interfacial Characteristics of a Submerged Rectangular Gas Jet

Chris Weiland, Pavlos Vlachos
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 2863-2875, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31030
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-31030
View Paper titled, The Effect of Mach Number and Aspect Ratio on the Interfacial Characteristics of a Submerged Rectangular Gas Jet
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Topics: Mach number, Nozzles, Pinch effect, Jets, Photography, Stability, Water
Proceedings Papers

Organization of Cylinder Wake Using a Splitter-Plate Active Flow Control

Chris Weiland, Pavlos Vlachos
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 1325-1335, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31031
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-31031
View Paper titled, Organization of Cylinder Wake Using a Splitter-Plate Active Flow Control
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Topics: Cylinders, Flow control, Wakes, Circular cylinders, Airfoils, Emission spectroscopy, Particulate matter, Shear (Mechanics), Spectroscopy, Vortex shedding
Proceedings Papers

Long Term Dynamics of Water-Entry Cavity

Roderick R. La Foy, Sunghwan Jung, Pavlos Vlachos
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 1373-1378, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31210
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-31210
View Paper titled, Long Term Dynamics of Water-Entry Cavity
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Topics: Cavities, Dynamics (Mechanics), Water, Pinch effect, Pressure, Engineering systems and industry applications, Flow (Dynamics), Fluids, Geometry, Gravity (Force)
Proceedings Papers

Analysis of Passive Wake Mixing Techniques Using Time Resolved Digital Particle Image Velocimetry

Christopher Weiland, Christopher Michie, Pavlos Vlachos
Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 1071-1078, August 10–14, 2008
Paper No: FEDSM2008-55209
DOI: https://doi.org/10.1115/FEDSM2008-55209
View Paper titled, Analysis of Passive Wake Mixing Techniques Using Time Resolved Digital Particle Image Velocimetry
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Topics: Particulate matter, Wakes, Flow (Dynamics), Flow control, Airfoils, Boundary layers, Dynamics (Mechanics), Flat plates, Generators, Geometry
Proceedings Papers

Improved DPIV Accuracy Using Advanced Windowing Techniques

Adric Eckstein, Pavlos Vlachos
Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 647-655, August 10–14, 2008
Paper No: FEDSM2008-55152
DOI: https://doi.org/10.1115/FEDSM2008-55152
View Paper titled, Improved DPIV Accuracy Using Advanced Windowing Techniques
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Topics: Accuracy and precision, Engineering simulation, Error analysis, Errors, Fourier transforms, Noise (Sound), Resolution (Optics), Shear (Mechanics), Signals, Simulation
Proceedings Papers

Observation of a Critical Time Scale for Supercavitation Development and the Effect of Gas Leakage

Chris Weiland, Pavlos Vlachos
Proc. ASME. FEDSM2008, Volume 2: Fora, 59-68, August 10–14, 2008
Paper No: FEDSM2008-55171
DOI: https://doi.org/10.1115/FEDSM2008-55171
View Paper titled, Observation of a Critical Time Scale for Supercavitation Development and the Effect of Gas Leakage
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Topics: Cavities, Explosives, Flow (Dynamics), Gases, High pressure (Physics), Ignition, Leakage, Pressure, Projectiles, Slug flows
Proceedings Papers

Robust Gradient Estimation Schemes Using Radial Basis Functions

Satyaprakash Karri, John Charonko, Pavlos Vlachos
Proc. ASME. FEDSM2008, Volume 2: Fora, 319-328, August 10–14, 2008
Paper No: FEDSM2008-55151
DOI: https://doi.org/10.1115/FEDSM2008-55151
View Paper titled, Robust Gradient Estimation Schemes Using Radial Basis Functions
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Topics: Error analysis, Errors, Fittings, Flow (Dynamics), Image processing, Interpolation, Noise (Sound), Optimization, Particulate matter, Turbulence
Proceedings Papers

Compensating for the Phosphorescent Persistence in Intensified Cameras for Micro-PIV

Adric Eckstein, Pavlos Vlachos
Proc. ASME. FEDSM2008, Volume 2: Fora, 595-596, August 10–14, 2008
Paper No: FEDSM2008-55153
DOI: https://doi.org/10.1115/FEDSM2008-55153
View Paper titled, Compensating for the Phosphorescent Persistence in Intensified Cameras for Micro-PIV
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Topics: Complementary metal oxide semiconductors, Microscopes, Noise (Sound), Resolution (Optics), Signal to noise ratio
Proceedings Papers

Experimental Study of the Stability of a High-Speed Gas Jet Under the Influence of Liquid Cross-Flow

Chris Weiland, Jon Yagla, Pavlos Vlachos
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 599-610, July 30–August 2, 2007
Paper No: FEDSM2007-37303
DOI: https://doi.org/10.1115/FEDSM2007-37303
View Paper titled, Experimental Study of the Stability of a High-Speed Gas Jet Under the Influence of Liquid Cross-Flow
Click here to open pdf in another window PDF for Experimental Study of the Stability of a High-Speed Gas Jet Under the Influence of Liquid Cross-Flow
Topics: Cross-flow, Stability, Mode shapes, Jets, Mach number, Boundary-value problems, Ejectors, Bubbles, Deflection, Pinch effect
Proceedings Papers

Analysis of the Parallel Blade Vortex Interaction With Leading Edge Blowing Flow Control Using the Proper Orthogonal Decomposition

Chris Weiland, Pavlos Vlachos
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1523-1533, July 30–August 2, 2007
Paper No: FEDSM2007-37275
DOI: https://doi.org/10.1115/FEDSM2007-37275
View Paper titled, Analysis of the Parallel Blade Vortex Interaction With Leading Edge Blowing Flow Control Using the Proper Orthogonal Decomposition
Click here to open pdf in another window PDF for Analysis of the Parallel Blade Vortex Interaction With Leading Edge Blowing Flow Control Using the Proper Orthogonal Decomposition
Topics: Blades, Flow control, Principal component analysis, Vortices, Flow (Dynamics), Wakes, Dynamics (Mechanics), Generators, Fluid structure interaction, Airfoils