Department of Mechanical Engineering
AEThER Publications

Journal Artilcles

Journal papers: Accepted

  1. Karri Satya P and Pavlos P. Vlachos, “Time-Resolved DPIV Investigation of Pulsatile Flow in Symmetric Stenotic Arteries - Effects of Impedance Phase Angle” accepted to Journal of Biomechanical Engineering T-ASME
  2. Andrew R. Gifford, Thomas E. Diller, and Pavlos P. Vlachos, “The Physical Mechanism of Heat Transfer Augmentation in Stagnating Flows Subject to Freestream Turbulence” accepted to ASME Journal of Heat Transfer
  3. Cardwell, N. D., Vlachos, P. P., Thole, K. A., “A Method for Identifying and Visualizing Foreign Particle Motion Using Time Resolved Particle Tracking Velocimetry,” accepted  ASME Journal of Turbomachinery T-ASME

Journal papers: Appeared 

  1. Michael R. Brady, Samuel G. Raben and Pavlos P. Vlachos, “Methods for Particle Image Sizing (DPIS)” Journal of Flow Measurement and Instrumentation (online)
  2. Weiland, C. and P.P. Vlachos, “A mechanism for mitigation of blade-vortex interaction using leading edge blowing flow control”. Experiments in Fluids, 2009. 47(3): p. 411-426.
  3. Alicia M Williams, David Griffiths and Pavlos Vlachos, “Laminar Mixing using Oscillating Cantilevered Ionic Polymer Actuators” Sensors and Actuators A-Physical, 2009. 153(1): p. 105-113
  4. Adric Eckstein and Pavlos P. Vlachos, “Assessment of Advanced Windowing Techniques for Digital Particle Image Velocimetry (DPIV)” Measurement Science and Technology 2009. 20(7)
  5. John Charonko, Satyaprakash Karri, Jaime Schmieg, Santosh Prabhu, and Pavlos Vlachos, “In-Vitro, Time-Resolved PIV Comparison Of The Effect Of Stent Design On WSS” Annals of Biomedical Engineering, 2009. 37(7): p. 1310-1321.
  6. Won Hee Lee, Sungkwon Kang, Pavlos P. Vlachos, Yong Woo Lee, “A novel in vitro ischemia/reperfusion injury model” Archives of Pharmacal Research, 2009. 32(3): p. 421-429.
  7. Adric Eckstein and Pavlos P. Vlachos, “DPIV Robust Phase Correlation” Measurement Science and Technology, 2009. 20(5): p. 055401
  8. John J. Charonko, Saad A. Ragab and Pavlos P. Vlachos “A scaling parameter for predicting pressure wave reflection in stented arteries” ASME Journal of Medical Devices, 2009. 3(1): p. 011006.
  9. Satyaprakash Karri, John Charonko and Pavlos Vlachos, “Improvements in wall gradient estimation for Particle Image Velocimetry (PIV) measured velocity fields using radial basis functions and Proper Orthogonal Decomposition (POD)” Measurement Science & Technology, 2009. 20(4)
  10. Eckstein A. C., Charonko J*. and Vlachos P, “Phase correlation processing for DPIV measurements” Experiments in Fluids, Volume 45, Issue 3, pp.485-500
  11. Vlachos P. P. and Telionis D. P., “The Effect Of Free Surface On The Vortex Shedding From Inclined Circular Cylinders”, Journal of Fluids Engineering T-ASME - Volume 130, Issue 2, 021103
  12. Grant E.J, Jones J  and Vlachos P P “Design and Wind Tunnel Performance Testing of a New Omni-directional Roof Vent” ASCE Journal of Architectural EngineeringVolume 13, Issue 1, pp. 18-21
  13. Harpold A.A., Mostaghimi S., Vlachos P. K. Brannan, T. Dillaha, “Stream discharge measurement using a large-scale particle image velocimetry (LSPIV) prototype”. Transactions of the ASABE v49 (6), pages 1791-1805 
  14. Rullan Jose, Vlachos Pavlos P. Telionis Demetri P. and Zeiger Matthew D., “Post-Stall Flow Control of Sharp-Edged Wings via Unsteady Blowing” AIAA Journal of Aircraft vol 43 no 6 pp 1738-1746  
  15. Brady M. Telionis D. P., Vlachos P. P. and Yoon R.H “Evaluation of multiphase flotation models in grid turbulence via Particle Image Velocimetry." International Journal of Mineral Processing 80(2-4): 133-143
  16. Pierrakos O. and Vlachos P. P., ” "On the Effect of Vortex Formation in Left Ventricular Flows"  Journal of Biomechanical Engineering, T-ASME August 2006, Volume 128, Issue 4, pp. 527-539
  17. Etebari, A and Vlachos, P (2005). “Improvements on the accuracy of derivative estimation from DPIV velocity measurements.” Experiments in Fluids, Vol. 39, N. 4.
  18. Miranda S., Vlachos P. P. Telionis D. P. and Zeiger M. D., “ Flow Control of a Sharp-Edged Airfoil”, AIAA Journal 2005 0001-1452 vol.43 no.4 (716-726)
  19. Klute S. M., Vlachos P. P., and Telionis D. P., “A High-Speed DPIV Study of the Unsteady Characteristics of Vortex Breakdown”, AIAA Journal 2005 0001-1452 vol.43 no.3 (642-650)
  20. Pierrakos O., Vlachos P. P., and Telionis D. P. ”Vorticity and Turbulence Characteristics Inside a Transparent Flexible Left Ventricle via Digital Particle Image Velocimetry” Journal of Biomechanical Engineering. T-ASME Vol 126, 6, pp. 714-726, (2004)
  21. Zeiger, M.D., Telionis, D.P., Vlachos, P.P., “Unsteady Separated Flows Over 3-D Slender Bodies,” Journal of Progress in Aerospace Sciences 40, 291-320, (2004).
  22. Yazdani Saami K. , James E. Moore, Jr., Joel L. Berry, and Pavlos P. Vlachos, DPIV Measurements of Flow Disturbances in Stented Artery Models: Adverse affects of Compliance Mismatch, Journal of Biomechanical Engineering. T-ASME Volume 126, Issue 5, pp. 559-566, (2004).
  23. Vlachos P. P. and Hajj M. R., “A Time-Resolved DPIV Study Of The Unsteady Character Of The Flow Over A Surface Mounted Prism” Journal of Wind Engineering and Industrial Aerodynamics. (vol 90 pp 543-553)

Abstracts and short papers appeared in Journals

  1. Kumar R, Stewart KC, Charonko JJ, Vlachos PP and Little WC, “Diastolic Intraventricular Pressure Gradients Assessed by Color M-Mode Echocardiography” CIRCULATION Volume: 118   Issue: 18   Pages: S602-S602   Supplement: Suppl. 2   Published: OCT 28 2008 (abstract selected from the 81st Annual Scientific Session of the American-Heart-Association, NOV 08-12, 2008 New Orleans, LA (Impact factor 12.7)
  2. Kang S, Lee WH, Hirani A, Vlachos PP, Lee YW “A multi layer design of parallel-plate flow chamber for studies of enclothelial cell response to fluid shear stress” FASEB JOURNAL 21 (5): A484-A484 APR 2007 (abstract selected from the corresponding society meeting is published in the journal) (Impact factor 7.06)
  3. Lee WH, Kang SK, Hirani A, Vlachos PP, Lee YW “Biomedical research applications of a novel double-layer parallel-plate flow chamber” FASEB JOURNAL 21 (6): A1219-A1219 APR 2007 (abstract selected from the corresponding society meeting is published in the journal) (Impact factor 7.06)
  4. Yong Woo Lee, Pavlos P. Vlachos, Sung Yong Eum, Michal Toborek, “Interleukin-4 induces E-selectin expression in human vascular endothelial cells” The FASEB Journal Volume 19, Number 4, pp A696 (abstract selected from the corresponding society meeting is published in the journal) (Impact factor 7.06)

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Refeered Conference Proceedings

2008

  1. Jon J. Yagla, John Busic, Samuel Koski, Brian Myruski, Chris Weiland and Pavlos Vlachos “Launch Dynamics Environment of a Water Piercing Missile Launcher”, International Symposium on Ballistics, National Defense Industrial Association, New Orleans, Louisiana, Sept 21-25 2008
  2. Raben S*, Vlachos P, “Time Resolved DPIV in a Transonic Turbine Cascade” ASME International Mechanical Congress and Exposition, October 31 – November 6, 2008, Boston MA
  3. Adric Eckstein*, John J. Charonko, and Pavlos P. Vlachos “Time Resolved Micro PIV” 14th Int Symp on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, 07-10 July, 2008
  4. Adric Eckstein* and Pavlos Vlachos “Compensating for the Phosphorescent Persistence in Intensified Cameras for Micro-PIV” Proceedings of FEDSM2008, 2008 ASME Fluids Engineering Conference August 10-August 14, 2008 Jacksonville, Florida USA, FEDSM2008-55153
  5. Adric Eckstein* and Pavlos Vlachos “Improved DPIV Accuracy Using Advanced Windowing Techniques” Proceedings of FEDSM2008, 2008 ASME Fluids Engineering Conference August 10-August 14, 2008 Jacksonville, Florida USA, FEDSM2008-55152
  6. Weiland, C*. and Vlachos, P.  "Observation of a Critical Time Scale in Supercavitation Development and the Effect of Gas Leakage," Presented at the 6th Joint ASME/JSME Fluids Engineering Conference, August 10-14, 2008, Jacksonville, Florida, USA.
  7. Weiland, C*., Michie, C*., and Vlachos, P.  "Analysis of Passive Wake Mixing Techniques using Time Resolved Digital Particle Image Velocimetry," Presented at the 6th Joint ASME/JSME Fluids Engineering Conference, August 10-14, 2008, Jacksonville, Florida, USA.
  8. Cardwell N*, Vlachos P and Karen Thole, “Developing and fully developed turbulent flow in ribbed channels”, ASME Fluids Engineering Division Summer Conference, August 10-14, 2008, Jacksonville.
  9. Raben S*, Ng W, Vlachos P, “Spatiotemporal Development of Transitional Wall Jets”, ASME Fluids Engineering Division Summer Conference, August 10-14, 2008, Jacksonville.
  10. Hubble, D.O.*, Diller, T.E., Vlachos, P.P., “An Investigation of the Physical Mechanism of Heat Transfer Augmentation in Boundary Layer Flows Subject to Freestream Turbulence,” ASME Paper No. H&2008-56302, August 10-14, 2008 Jacksonville, Fl. USA.
  11. Gifford, A.* Diller, T. E., and P. Vlachos. “An Investigation of the Physical Mechanism of Heat Transfer Augmentation in Stagnating Flows Subject to Freestream Turbulence.” Paper No. HT2008-56228, ASME Summer Heat Transfer Conference, HT2008, August 10-14, 2008 Jacksonville, Fl. USA.
  12. Williams, A.M* and P.P. Vlachos, “The Dynamics of Accumulating Ferrofluid Aggregates,” 2008 ASME Division of Fluid Dynamics Summer Meeting, ASME, FEDSM2008-55101: August 14-18, 2008 Jacksonville, FL.
  13. Williams, A.M*., and Pavlos P. Vlachos, “Spatiotemporal-Resolved Dynamics of Accumulating and Dispersing Ferrofluid Aggregates.”  2008 ASME Division of Fluid Dynamics Summer Meeting, ASME, FEDSM2008-55275: August 14-18, 2008 Jacksonville, FL.
  14. Karri SP*, Charonko J*, Vlachos PP. Robust Gradient Estimation Using Radial Basis Functions.  Proceedings of 2008 ASME, FEDSM2008-55151: August 14-18, 2008 Jacksonville, FL.
  15. David Griffiths*, Vishnu Baba Sanduresan, Barbar Akle, Pavlos Vlachos, Donald Leo. (2008). Micro deposition method: a novel fabrication method for ionic polymer metallic composites, SPIE Meeting San Diego March 2008

2007

  1. David Griffiths, Daniel Cooper, Pavlos P Vlachos, Donald J Leo (2007). Auscultation revamped using Ionic Polymer metallic composites”. Material Research Society, Boston, Nov 2007
  2. Eckstein Adric*, Vlachos P, 2007, “A Robust Phase Correlation DPIV Processing Algorithm for Time Resolved Measurements.” Proc. 7th Int. Symp. Particle Image Velocimetry, Rome, Italy.
  3. Eckstein, Adric, Charonko*, John, Vlachos, Pavlos P. Phase correlation processing for DPIV measurements: part i spatial domain analysis. 5th Joint ASME/JSME Fluids Engineering Conference,: July 30 - August 2, 2007, San Diego, CA.
  4. Eckstein, Adric*, Charonko*, John, Vlachos, Pavlos P. Phase correlation processing for DPIV measurements: part ii spectral domain analysis. 5th Joint ASME/JSME Fluids Engineering Conference,: July 30 - August 2, 2007, San Diego, CA.
  5. Charonko JJ*, Vlachos PP.  Keynote Paper: Time-Accurate Measurement of Pressure From Particle Image Velocimetry Data.  5th Joint ASME/JSME Fluids Engineering Conference, FEDSM2007-37282: July 30 - August 2, 2007, San Diego, CA.
  6. Williams, Alicia*, David J. Griffiths*, and Pavlos Vlachos, August 2007, “ Mixing at Low Reynolds Numbers By Vibrating Cantilevered Ionic Polymers,” ASME Fluids Engineering Division Meeting July 30 - August 2, 2007, San Diego, CA.
  7. Weiland, C*. and Vlachos, P.  "Experimental Study of the Stability and Trajectory of a High-Speed Gas Jet under the Influence of Liquid Cross-Flow," ASME Joint U.S.-European Fluids Engineering Summer Meeting, July 30-August 2, 2007, San Diego CA.
  8. Weiland, C.* and Vlachos, P.  "Analysis of the Parallel Blade Vortex Interaction with Leading Edge Blowing Flow Control using the Proper Orthogonal Decomposition," ASME Joint U.S.-European Fluids Engineering Summer Meeting, July 30-August 2, 2007, San Diego CA..
  9. Hill, H*. E., W. F. Ng, Vlachos PP. (2007). "2D CFD studies using different turbulence models of a circulation control inlet guide vane." FEDSM 2007: Proceedings of the 5th Joint ASME/JSME Fluids Engineering Summer Conference 
  10. Hill, H*. E., W. F. Ng, Vlachos P. (2007). "2D parametric study using CFD of a circulation control inlet guide vane." Proceedings of the ASME Turbo Expo 2007,
  11. Pierrakos. O, Karri. S*, Williams. A*, Charonko*. J , Stewart. K* , Vlachos. P. “Using fluid mechanics research examples to enhance and stimulate undergraduate engineering education: part II”, 2007 ASEE Conference
  12. David Griffiths*, J. D., Barbar J. Akle, Pavlos P Vlachos, Donald J Leo (2007). "Development of ionic polymer transducers as flow shear stress sensors: Effects of electrode architecture." Proc. of SPIE 6529 (Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007).

2006

  1. Etebari, A*, Ewing*, J, Gifford, A*, Akle, B, Diller, T, Vlachos, P (2006). “New approaches in the measurement of shear stress and heat flux” 2006 SPIE Smart Structures & Materials/NDE, paper # 6174-65.
  2. Pierrakos O*, Vlachos P., Alley M., June 2006, “Using Research to Educate Freshmen Engineers and High School Students About the Multidisciplinary Character of Engineering,” ASEE Annual Conference & Exposition.
  3. Charonko J*, Vlachos P. On the Dynamics Of Active Flow Control Over a Separated Airfoil Using Leading Edge Unsteady Blowing. 2006 ASME Joint U.S.-European Fluids Engineering Summer Meeting, FEDSM2006-98097: July 2006.
  4. Charonko J*, Vlachos P. Improvements to the Dynamic Range of Velocity Measurements Using DPIV. 2006 ASME Joint U.S.-European Fluids Engineering Summer Meeting, FEDSM2006-98112: July 2006.
  5. Vlachakis V.*, Brady M.*, Yoon, R. H., Telionis D. P., Vlachos P.P. July 2006, “Turbulence characteristics in a Rushton stirring vessel: A numerical investigation”, ASME Fluids Engineering Division Meeting July 17-20, Miami, FL. 
  6. Vlachos P.P., Etebari A*. Pierrakos O*., July 2006, “The effect of an active travelling wave wall motion on the structure of a turbulent boundary layer,” ASME Fluids Engineering Division Meeting July 17-20, Miami, FL.
  7. Weiland, C*. and Vlachos, P.  "Modification of Blade Vortex Interactions Using Leading Edge Blowing" to be presented at the ASME Joint U.S.-European Fluids Engineering Summer Meeting, July 17-20, Miami, FL
  8. Weiland, C*. and Vlachos, P.  "Spatio-Temporal Development of Supercavitation Over an Impulsively Started Underwater Projectile," to be presented at the ASME Joint U.S.-European Fluids Engineering Summer Meeting, July 17-20, Miami, FL
  9. Williams, A.*, Ashok Sinha, Pavlos Vlachos, Ishwar Puri, July 2006, “Magnetic Targeting of Particle Transport under Pulsatile Flow,” ASME Fluids Engineering Division Meeting July 17-20, Miami, FL.
  10. Williams, A*, Barbar Akle., Pavlos Vlachos, July 2006,   “Active Laminar Mixing Induced by Traveling Wave Surface Disturbance,” ASME Fluids Engineering Division Meeting July 17-20, Miami, FL.
  11. Weiland, C*, Vlachos, P., and Yagla, J.  "The Water Piercing Missile Launcher for Launching Joint Service Missiles From Submarines" American Society of Naval Engineers Day, June 19-21, 2006, Arlington, VA
  12. Yagla, J., Soifer, M., Deloach, K., Weiland, C*. and Vlachos, PP.  “The Water Piercing Missile Launcher,” Submarine Technology Symposium.
  13. Rullan J *, Vlachos P. P. Telionis D. P. “Flow Control over Trapezoidal-Wing Planforms with Sharp Edges” 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 9-12, 2006 AIAA-2006-857

2005

  1. Weiland, C*., Vlachos, P., and Yagla, J."A Novel Launcher for Cavitating Weapons," Presented at the 2005 International Symposium on Ballistics, Nov 14-18 2005, Vancouver, Canada.
  2. Weiland, C.*, Vlachos, P., and Yagla, J."A Novel Missile Launcher for Submarine Self-Defense," Presented at the 2005 Symposium on Weapon Systems Effectiveness, October 18-20 2005, Austin, TX.
  3. Brady M*., Vlachos P P, Telionis D., Yoon R H “Velocities of Particles and Bubbles in Grid Turbulence Measured by Particle Image Velocimetry” Centenary of Flotation Symposium, 2005, Brisbane Australia.
  4. Brady M.*, Vlachakis V.*, Vlachos P P, Telionis D., Yoon R H. Time-resolved DPIV measurements of turbulence characteristics in a stirring vessel agitated by a Rushton Impeller” IC-EpsMsO Athens, 6-9 July, 2005.
  5. Etebari, A.*, Akle, B, Bennett, M, Leo, D, and Vlachos, P (2005). “A dynamic shear stress sensor based on active ionic polymers,” Proceedings of the ASME Fluids Engineering Summer Conference.
  6. Rullan J *, Vlachos P. P. Telionis D. P. “The Aerodynamics and Control of Low Speed Trapezoidal Wings” AIAA 43rd  Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2005, AIAA-2005-0059
  7. Gibbs J *, Vlachos P. P. Telionis D. P. “Aerodynamics of Docked/Formation Compound Aircraft Flight” AIAA 43rd  Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2005, AIAA-2005- 0843

2004

  1. Brady M.*, Vlachos P. P., Telionis D., Yoon R. H., Sherrel I.  “Turbulent Bubble-Particle Interactions Measured by Particle Image Velocimetry”  Symposia, Proceedings of SME (paper no. 04-193), 2004, Denver CO.
  2. Brady M.*, Vlachos P P, Telionis D. “Turbulent multi-phase flow interactions through grid turbulence measured by Particle Image Velocimetry” Symposia Proceedings of ASME HT/FED’04, Charlotte, NC.
  3. Brady M.*, Vlachos P P “Novel particle sizing and centroid estimation schemes, Subpixel resolution schemes for Particle Image Velocimeters.”  Symposia Proceedings of ASME HT/FED’04, Charlotte, NC
  4. .Chishty W. A., Brady M. R.*, Vlachos P. P., Schiller N. H., Vandsburger U. “Quantification of modulated spray dynamics by time-resolved DPIV” Symposia Proceedings of ASME HT/FED’04, Charlotte, NC.
  5. Etebari, A*, Akle, B, Farinholt, K, Bennett, M, Leo, D, Vlachos, P (2004).  “The use of active ionic polymers in dynamic skin friction measurements,” Proc. 2004 ASME Heat Transfer/Fluids Engineering Summer Conference Charlotte, NC.
  6. Etebari, A*, Carneal, J*, and Vlachos, P (2004). “On the accuracy of wall shear stress using DPIV,” Proceedings of the 2004 ASME Heat Transfer/Fluids Engineering Summer Conference Charlotte, NC.
  7. Pierrakos O., P. Vlachos, D. Telionis, August 2004, “Vortex Ring Formation in Left Ventricular Flow: An Energy Mechanism to Quantify Losses,” WSEAS International Fluid Mechanics Conference. 
  8. Rullan J*, Vlachos P. P. Telionis D. P. and Zeiger M. D, “Flow control of Sharp Edge Wings via Unsteady Blowing” AIAA 42st Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2004, AIAA 2004-0226

2003 and Older

  1. Brady M.*, Vlachos P P. “Novel particle sizing and centroid estimation schemes” Proceedings of ASME IMECE 2003.  November 16-21, 2003, Washington, D.C.
  2. Etebari, A* and Vlachos, P (2003). “Application of higher-order compact finite difference schemes to out of plane vorticity measurements,” Int. Mech. Eng. Congress, Nov., 2003, Washington, DC
  3. Rullan* J, P. P. Vlachos D. P. Telionis and M. D Zeiger, “Post-Stall Flow control of Sharp Edge Wings via Unsteady Blowing” AIAA 41st Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2003, AIAA 2003-0062
  4. Rullan*J, P. P. Vlachos D. P. Telionis and M. D Zeiger, “Post-Stall Flow control of Sharp Edge Wings via Unsteady Blowing” AIAA 41st Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2003, AIAA 2003-0062
  5. Vlachos P. P. and Telionis D. P., “Wing-Tip-to-Wing-Tip Aerodynamic Interference” AIAA 41st Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2003, AIAA 2003-0609
  6. Abiven* C., Vlachos P. P., “Super spatio-temporal resolution, digital PIV system for multi-phase flows with phase differentiation and simultaneous shape and size quantification”, IMECE2002-33115 Int. Mech. Eng. Congress, Nov. 17-22, 2002, New Orleans, LA
  7. Abiven* C., Vlachos P. P. and Papadopoulos G., “Comparative study of established DPIV algorithms for planar velocity measurements”, IMECE2002-33170 Int. Mech. Eng. Congress, Nov. 17-22, 2002, New Orleans, LA
  8. Brady*, M., Abiven* C., Vlachos P. P., “Time–Resolved Spray–Droplet Velocity and Size Measurements via Single Camera Laser Sheet Imaging and Planar DPIV”, Int. Mech. Eng. Congress, Nov. 17-22, 2002, New Orleans, LA
  9. Zeiger M. D., Gerlach J M., Vlachos P. P., Telionis D.P., ” Frequency-and-Amplitude-Independent Flow Controller for Sharp-Edged Wings” AIAA 40th Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2002
  10. Stamos D.G., Yazdani S.K., Vlachos P.P and Telionis D.P., "Fluid Structure Interaction, an Application to the Response of a Hemisphere to Surface Waves", 6th Biennial Conference on Engineering Systems Design and Analysis, Istanbul Turkey, July 2002, ESDA 2002/ATF-025.
  11. Zeiger M. D., Vlachos P.P., Telionis D. P., ”The Dynamic Character Of The Vortical Flow Over A Slender Axisymmetric Body” AIAA 39th Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2001
  12. Mostafa N., Nayfeh A., Vlachos P.P. and Telionis D. P., “Cavitating Flow over a Projectile” AIAA 39th Aerospace Sciences Meeting and Exhibit, Reno, Nevada 2001
  13. El-Okda Y., Vlachos P.P. and Telionis D.P. “Twin Jet Impinging on a Plate with and without a Mean Stream” International Power Lift Conference Oct. 29 Nov. 1 2000, Arlington VA.
  14. Vlachos P.P. and Hajj M.R., ”A Cinema DPIV Study Of The Unsteady Character Of The Flow Over A Surface Mounted Prism“, 4th International Colloquium on Bluff Body Aerodynamics (BBAIV, 2000).
  15. Klute S. M., Vlachos P. P., and Telionis D. P., “A High-Speed DPIV Study of the Unsteady Characteristics of Vortex Breakdown”, AIAA, Fluid Dynamics Symposium, Fluids 2000 Conference.
  16. Vlachos P. P., Zeiger M. D., and Telionis D. P., “The Effect Of Free Surface On The Vortex Shedding From Inclined Circular Cylinders”, FEDSM2000-11266, Boston, MA, 2000
  17. Vlachos P. P., and Telionis D. P., “Turbulence Characteristics In The Wake Of A Circular Cylinder Near The Free Surface”, FEDSM2000-11320, Boston, MA, 2000
  18. Vlachos P. P., and Telionis D. P., “Three-Dimensional Streamwise Vortical Structures Of A Turbulent Wake Near The Free Surface.” FEDSM2000-11262, Boston, MA, 2000.
  19. Vlachos P. P., Zeiger M. D., and Telionis D. P., “The Effect Of Yaw And Free Surface On The Span Wise Vorticity In The Wake Of A Circular Cylinder
  20. ”, ASCE-EMD2000, Proceedings Austin, Texas, May 2000
  21. Vlachos P. P and Hajj M. R., “Unsteady Characteristics Of Flow Separation Over A Prism”, ASCE-EMD2000 Proceedings, Austin, Texas, May 2000
  22. Asimopoulos N., Vlachos P. P, and Telionis D. P., “A High Speed, High Particle Density, Particle-Tracking Method For Turbulence Measurements”, FEDSM99-7139, 1999 ASME Fluids Engineering Division Summer Meeting.
  23. Telionis D.P., Zeiger M. D., Vlachos P.P., “Unsteady Separated Flows Over 3-D Slender Bodies”, AIAA-99-3693, 30th AIAA Fluid Dynamics Conference, Norfolk ’99 (invited).
  24. Vlachos P. P., Donnelly M.J. and Telionis D. P., “The Design and Testing of a Smart balance System”, AIAA-99-3165, Applied Aerodynamics Conference, Norfolk ’99.
  25. Vlachos P. P. and Hajj M. R., “Flow Characteristics in the Separated Shear Layer”, Proceedings of 10th International Conference in Wind Engineering, June ’99 Denmark.
  26. Vlachos P. P. and Hajj M. R., “PIV Measurements in the Separation Region over a Prism”. ASCE-EMD ’99 Proceedings, Baltimore’99.
  27. Vlachos P. P., Donnelly M.J. Potter T. L., Telionis D. P. and Schaeffler N. W., “Post-Stall Flow Control of Sharp-Edged wings”, AIAA 99-0924, 37th Aerospace Sciences Meeting and Exhibit, Reno, Nevada 1999.
  28. Vlachos P. P., Donnelly M.J. and Telionis D. P., “On the Wake of a Circular Cylinder Piercing a Water Free Surface”, FEDS98-5177, Proceedings of FEDS’98, 1998 ASME Fluids Engineering Division Summer Meeting.
  29. Donnelly M.J., Vlachos P. P. and Telionis D. P., “A Vortex Pair Impinging on a Solid Boundary," AIAA 98-0690, 36th Aerospace Sciences Meeting and Exhibit, Reno, Nevada 1998.
  30. Sierros G. S., Vlachos P. P. and Papailiou K. D., “The Design of a Small Radial Compressor for a Hybrid Electric Vehicle Gas Turbine”, 1st European Conference on Clean Cars, Athens ’97.

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Refeered Extended Abstracts

2008

  1. Rahul Kumar MD, Kelley C. Stewart, John J. Charonko, Pavlos P. Vlachos PhD, William C. Little MD, “Diastolic Intraventricular Pressure Gradients Assessed by Color M-Mode Echocardiography, American Heart Association Annual Meeting, 2008
  2. Williams, A*. and Vlachos, P.  “Kelvin-Helmholtz And Rayleigh-Taylor Instabilities During Accumulation And Dispersion Of Ferrofluid Aggregates” Presented at 150 Years of Vortex Dynamics, International Union and Theoretical and Applied Mechanics Symposium, Copenhagen, Denmark, October 12-16, 2008. (only 100 papers accepted)
  3. Weiland, C*. and Vlachos, P.  “The Role of Vortex Ring Formation on the Development of Impulsively Induced Supercavitation,” Presented at 150 Years of Vortex Dynamics, International Union and Theoretical and Applied Mechanics Symposium, Copenhagen, Denmark, October 12-16, 2008. (only 100 papers accepted)
  4. Weiland, C.*, Yagla, J., and Vlachos, P.  “Submerged Gas Jet Interface Stability,” XXII International Congress on Theoretical and Applied Mechanics, Adelaide, Australia, August 25-29, 2008.
  5. Adric Eckstein*, Pavlos Vlachos “Compensating for the Phosphorescent Persistence in Intensified Cameras for Micro-PIV” Proceedings of FEDSM2008, 2008 ASME Fluids Engineering Conference August 10-August 14, 2008 Jacksonville, Florida USA, FEDSM2008-55153
  6. Schmieg Jaime*, Alicia Williams*, Pavlos Vlachos.  “Magnetic Drug Targeting: Drug Delivery in Large Vasculature” Proceedings of the ASME 2008 Summer Bioengineering Conference, SBC2008-193157: June 25-29, 2008.
  7. Charonko J*, Karri SP*, Schmieg J*, Prabhu SV, Vlachos PP.  A Time Resolved DPIV in-vitro evaluation of coronary stents in realistic conditions: Part I – influence of stent configuration.  Proceedings of the ASME 2008 Summer Bioengineering Conference, SBC2008-192651: June 25-29, 2008.
  8. Stewart K*, Kumar R, Charonko J*, Vlachos PP, Little W. A Hydrodynamic Efficiency Parameter As A Novel Left Ventricular Diastolic Dysfunction Diagnostic Metric. Proceedings of the ASME 2008 Summer Bioengineering Conference, SBC2008-192954: June 25-29, 2008.
  9. Charonko J*, Stewart K*, Kumar R, Little W, Vlachos P. : (invited paper) Hydrodynamics of Left Ventricle Diastolic Dysfunction: In-Vivo Investigation.  Inaugural International Conference of the Engineering Mechanics Institute: Minneapolis, Minnesota May 18-21, 2008.
  10. Charonko J*, Stewart K*, Kumar R, Little W, Vlachos PP. Hydrodynamics of Left Ventricle Diastolic Dysfunction: In-Vivo Investigation. ESM 100 Year Anniversary Mechanics Conferences.  Virginia Polytechnic Institute and State University, Blacksburg, VA: May 29-30, 2008.
  11. Kumar R, McNeal G, Stewart* KC, Charonko JJ*, Pierrakos O, Vlachos PP, Ntim WO, Hundley G, Hamilton CA, Little WC.  Phase Contrast Imaging: A Novel Way of Assessing Left Ventricular Diastolic Function.  SCMR Eleventh Annual Scientific Sessions: February 1-3, 2008.

2007

  1. Williams, A.M* and P.P. Vlachos (Presented by Satyaprakash Karri), “Dynamics of Magnetic Drug Targeting in Cardiovascular Flows.”  2007 ASME Summer Bioengineering Conference, June 2007.
  2. Karri.S*, Etebari.A, Vlachos.P," Time Resolved DPIV Analysis of Pulsatile flow in Symmetric Stenotic Arteries-A Comparsion Between Arterial and Coronary Flow" 2007 ASME Summer Bioengineering Conference.

2006

  1. Etebari, A, Pierrakos, O, Raben, S, Satyaprakash, BK, Vlachos, P (2006) “Direct, dynamic wall shear stress measurements in cardiovascular flows:  Application to stenotic vessels,” 2006 ASME Summer Bioengineering Conference.
  2. Etebari, A, Kang, S, Lee, YW, Vlachos, P (2006) “Characterization of near-wall flow over endothelial cell monolayers,” 2006 ASME Summer Bioengineering Conference.
  3. Pierrakos O., M. Alley, P. Vlachos, June 2006, “Translation of Biomedical Engineering Research to Undergraduate and Graduate Level Education,” 2006 Summer Bioengineering Conference.
  4. Pierrakos O., A. Etebari, S. Raben, S. Prakash Karri, P. Vlachos, June 2006, “Direct Dynamic Wall Shear Stress Measurements in Cardiovascular Flows: Applications to Mechanical Heart Valves,” 2006 Summer Bioengineering Conference.
  5. Raben S., Satyaprakash, BK, Etebari, A, Vlachos, P (2006) “DPIV analysis of flow through an asymmetric coronary stenosis,” 2006 ASME Summer Bioengineering Conference.
  6. Satyaprakash, BK, Raben, S, Etebari, A, Vlachos, P (2006) “Effects of stents in curved coronary arteries,” 2006 ASME Summer Bioengineering Conference.
  7. Satyaprakash, BK, Raben, S, Etebari, A, Vlachos, P (2006) “Time-resolved analysis of stented coronary arteries,” 2006 ASME Summer Bioengineering Conference.

2005

  1. Charonko J. Sykes D, Vandsburger U, Vlachos P. Endoscopic DPIV for Gas Turbine Measurements.  2005 Virginia Tech Turbomachinery and Propulsion Review. September 22-23, 2005.
  2. Pierrakos O., P. Vlachos, November 2005, “Quantifying the Incoming Jet Past Heart Valve Prostheses Using Vortex Formation Dynamics,” American Physical Society 58th Annual Division of Fluid Dynamics Meeting.
  3. Pierrakos O., P. Vlachos, June 2005, “Quantifying 3-D Anisotropic Inhomogeneous Turbulence Dissipation in Left Ventricular Flows Using a Large Eddy PIV Method,” ASME Summer Bioengineering Conference.
  4. Pierrakos O., P. Vlachos, June 2005, “In-vitro Investigation of Vortex Formation Past Mechanical and Biological Bileaflet Heart Valve Prostheses,” ASME Summer Bioengineering Conference.
  5. Etebari, A, Satyaprakash, K, Akle, B, Bennett, M, Leo, D, Vlachos, P (2005) “A novel wall shear stress sensor for cardiovascular applications,” 2005 ASME Summer Bioengineering Conference.
  6. Etebari, A, Akle, B, He, X, Leo, D, Lee, Y-W, Vlachos, P (2005) “Development of a novel dynamic bioreactor,” 2005 ASME Summer Bioengineering Conference.
  7. Karri Satyaprakash, Etebari, A, Vlachos, P (2005) “Characterization of diseased coronary blood flow using DPIV,” 2005 ASME Summer Bioengineering Conference.
  8. Karri Satyaprakash, Ali Etebari, Pavlos Vlachos, P (2005) “Characterization of diseased coronary blood flow using DPIV,” 2005 ASME Summer Bioengineering Conference.

2004

  1. Charonko J, Yazdani S, Vlachos P.  In-Vitro Examination of Coronary flow in Stented Arteries using DPIV.  2004 BMES Annual Fall Meeting: October 2004.
  2. Pierrakos O., P. Vlachos, 2004, “Identification of a New Energy Loss Mechanism for Flow Past Heart Valves,” Poster Session, Biomedical Engineering Society (BMES) Meeting.
  3. Etebari, A, Vlachos, P, Hamilton, C, and Hundley, G (2004). “A stochastic method for medical image segmentation,” 2004 Virginia Tech-Wake Forest Annual Graduate Student Symposium.

2003 and older

  1. Charonko J*, Etebari, A, Akle, B, Vlachos, P, and Leo, D (2003). “Novel non-invasive methods for in-vitro or ex-vivo vessel compliance measurements,” Proceedings of the BMES 2003 Annual Fall Meeting.
  2. Charonko J*, Ragab SA, Vlachos P.  A Numerical Analysis of Cardiovascular Stent Design Considerations.  2003 ASME International Mechanical Engineering Congress & Exposition, IMECE2003-42770: November 2003.
  3. Charonko J*, Etebari A, Akle B, Vlachos P, Leo D.  Novel Non-Invasive Methods For In-Vitro or Ex-Vivo Vessel Compliance Measurements.  2003 BMES Annual Fall Meeting: October 2003.
  4. Charonko J*, Ragab SA, Vlachos P.  Improved Stent Design Through Mathematical Modeling. The Virginia Tech – Wake Forest University School of Biomedical Engineering and Sciences 2nd Student Research Symposium: May 1, 2003.
  5. Etebari* A., O. Pierrakos* and P. P. Vlachos “Automatic MRI Image Segmentation And Left Ventricle Surface Reconstruction For Characterizing Myocardial Muscle Function” BED-Vol.-53, Advances in Bioengineering, 2002 ASME IMECE November 17-22, 2002. New Orleans, Louisiana
  6. Etebari* A., C. Abiven*, O. Pierrakos* and P. P. Vlachos “High Spatio-Temporal Resolution Digital Particle Image Velocimetry Near Compliant, Dynamically Moving Boundaries” BED-Vol.-53, Advances in Bioengineering, 2002 ASME IMECE November 17-22, 2002. New Orleans, Louisiana
  7. Mace R. *, P. P. Vlachos, and D. P. Telionis “On The Interaction Of Natural And Mechanical Heart Valve Leaflets With The Chordae Tendineae” BED-Vol.-53, Advances in Bioengineering, 2002 ASME IMECE November 17-22, 2002. New Orleans, Louisiana
  8. Pierrakos O. *, P. P. Vlachos, D. P. Telionis, S. Yazdani* and A. Etebari* “Characterization Of Hemodynamic Performance And Degree Of Flow Redirection In The Left Ventricle Dependent On The Mitral Mechanical Heart Valve Orientation” BED-Vol.-53, Advances in Bioengineering, 2002 ASME IMECE November 17-22, 2002. New Orleans, Louisiana
  9. Yazdani S.* K., P. P. Vlachos, D. D. Telionis, O. Pierrakos “Effects Of Womersely And Reynolds Numbers On A Symmetric Compliant Bifurcation” BED-Vol.-53, Advances in Bioengineering, 2002 ASME IMECE November 17-22, 2002. New Orleans, Louisiana
  10. Yazdani S.* K., P. P. Vlachos, J. L. Berry, O. Pierrakos “Analysis Of Fluid-Stent Interaction Via Digital Particle Image Velocimetry” BED-Vol.-53, Advances in Bioengineering, 2002 ASME IMECE November 17-22, 2002. New Orleans, Louisiana
  11. Pierrakos O.*, P. P. Vlachos, and D. P. Telionis, ”The Effect Of Orientation Downstream Of Mitral Mechanical Heart Valves” BED-Vol. 51, 2001 Advances in Bioengineering Conference, ASME 2001, NY
  12. Etebari* A, P. P. Vlachos and R. Kriz ”Development Of A Virtual Scientific Visualization Environment For The Analysis Of Complex Flows In The Cardiovascular System” BED-Vol. 50, 2001 Bioengineering Conference, ASME 2001
  13. Vlachos P. P., O. Pierrakos*, A. Phillips* and D. P. Telionis, ”Vorticity And Turbulence Characteristics Inside A Transparent Flexible Left Ventricle” BED-Vol. 50, 2001 Bioengineering Conference, ASME 2001.

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Abstracts/Posters

  1. Charonko J, Karri SP, Schmieg J, Prabhu SV, Vlachos PP.  A Time Resolved DPIV in-vitro evaluation of coronary stents in realistic conditions: Part II – effect of stent design.  Proceedings of the ASME 2008 Summer Bioengineering Conference, SBC2008-192646: June 25-29, 2008.
  2. Stewart K, Kumar R, Charonko J, Vlachos PP, Little W. A Novel Break Point Parameter As A Diagnostic Tool For Left Ventricular Diastolic Dysfunction. Proceedings of the ASME 2008 Summer Bioengineering Conference, SBC2008-192999: June 25-29, 2008.
  3. Charonko J, Schmieg J, Karri SP, Vlachos P. Influence of Coronary Stent Design on Wall Shear Stress In-Vitro.  Virginia Tech Dean’s Forum on Health, Food, and Nutrition: November 5, 2007, Virginia Tech.
  4. Charonko J*, Vlachos P. PIV Driven Computational Flow Simulation. 60th Annual Meeting of the APS/DFD:  Salt Lake City, UT, November 18-20, 2007
  5. Williams, A.M*., K. Stewart*, and P.P. Vlachos, “The Dynamics of Agglomerated Ferrofluid in Steady and Pulsatile Flows.” 60th Annual Meeting of the American Physical Society Division of Fluid Dynamics, November 2007.
  6. Golay. M, Geiger.S,  Harless.B, Holzgang.B,  Pugh.D, Stanhope.R, Wolfe.P, Karri.S, Pierrakos.O, Vlachos.P  "Effect of Stent Design Parameters on Fluid and Structural Mechanics in Coronary Arteries"    . 2007 ASME Summer Bioengineering Conference.
  7. Brady M., Vlachos P P, Telionis D. “Bubble Bouncing” Galley of Fluid Motion, APS Poster Presentation, Nov. 19-22 2005. Chicago, IL.
  8. Weiland, C. and Vlachos, P.  "Cavitation Inception on Submerged, High-Speed Bodies," Presented at the APS-DVD Gallery of Fluid Motion, Nov 20-22, 2005,  Chicago Illinois.
  9. Etebari A., Barbar Akle, Don Leo, Yong Woo Lee, and Pavlos Vlachos, “Development of a novel dynamic bioreactor” ASME Summer Bioengineering Conference June 2005 Veil Co.
  10. Pierrakos O., Vlachos P.P., June 2005, “In-vitro Investigation of Vortex Formation Past Mechanical and Biological Bileaflet Heart Valve Prostheses,” ASME Summer Bioengineering Conference, June 2005 Veil Co.
  11. Pierrakos O., Vlachos P. P., June 2005, “Quantifying 3-D Anisotropic Inhomogeneous Turbulence Dissipation in Left Ventricular Flows Using a Large Eddy PIV Method,” ASME Summer Bioengineering Conference June 2005 Veil Co.
  12. Pierrakos O., P. Vlachos, Oct. 2004, “Identification of a New Energy Loss Mechanism for Flow Past Heart Valves,” 2004 BMES Annual Fall Meeting: October 2004.
  13. Charonko J, Yazdani S Vlachos, P.  In-Vitro Examination of Coronary flow in Stented Arteries using DPIV, 2004 BMES Annual Fall Meeting: October 2004.
  14. Charonko*, J., A. Etebari*, B. Akle, P. Vlachos,  D. Leo. “Novel Non-Invasive Methods For In-Vitro or Ex-Vivo Vessel Compliance Measurements”.  Annual Fall Meeting of BMES, 2003.
  15. Pierrakos* O., Vlachos P. P., and Telionis D. P., ” Left-Ventricle Flow Redirection Dependence on Prosthetic Heart Valve Configuration” Prosthetic Heart Valve Workshop, Hilton Head, Sc, 2002
  16. Pierrakos* O. Vlachos P. P. and Telionis D. P., ” Turbulent Flow Characteristics Downstream Of Biological And Mechanical Mitral Heart Valves” BMES Fall Annual Meeting, October 4-7, 2001, Durham, NC
  17. Phillips* A. Vlachos P. P. and Telionis D. P., ” The Effect Of The Chordae Tendineae On Blood Flow Turbulence” BMES Fall Annual Meeting, October 4-7, 2001, Durham, NC
  18. Yazdani*, S. P. P. Vlachos, ” A Time Resolved DPIV Study Of The Flow Characteristics In A Flexible Bifurcation Model” BMES Fall Annual Meeting, October 4-7, 2001, Durham, NC

 

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