Johns Hopkins University Whiting School of Engineering

Joseph Katz


Professor
Mechanical Engineering
Secondary Appointment: William F. Ward Sr. Distinguished Professor, Director | Center for Environmental and Applied Fluid Mechanics (CEAFM)
http://web.jhu.edu/fluid_dynamics (primary)

Latrobe 219 (office)
410-516-5470 (office)
katz@jhu.edu (primary)

Staff Contact:
Barbara Adamson
brogows1@jhu.edu
410-516-0463
ResearcherID webpage >>

Education

Ph.D. 1982, California Institute of Technology
M.S. 1978, California Institute of Technology
B.S. 1977, Tel-Aviv University

Experience

2005: William F. Ward Sr. Distinguished Professor, Endowed Professorship, The Johns Hopkins University
2000: Whiting School Mechanical Engineering Professor, Endowed Professorship, The Johns Hopkins University
1994: Professor of Mechanical Engineering, The Johns Hopkins University
2000-2009: Technical Editor, ASME, Journal of Fluids Engineering
2000-2003: Senior Professor, Sp. Appointment, Tel-Aviv University
1996-2001: Co-Director (and Co-Founder), Center for Environmental and Applied Fluid Mechanics
1999-1999: Visiting Scientist, Weizmann Institute of Science
1990-1993: Associate Professor, The Johns Hopkins University
1987-1990: Assistant Professor, The Johns Hopkins University
1983-1987: Assistant Professor, Civil Engineering, Purdue University
1983-1985: Visiting Associate, Mechanical Engineering, California Institute of Technology
1982-1982: Post Doctoral Research Fellow, Mechanical Engineering, California Institute of Technology

Research Areas

Prevention of nozzle wear in abrasive water suspension jets (AWSJ) using porous lubricated nozzles.

Oceanography: Flow structure and turbulence in the bottom boundary layer of the coastal ocean; measurement of spatial distributions of plankton, particles and bubbles in the ocean; development of optical instrumentation, including submersible holography and PIV systems.
Multiphase flows: Interaction between bubbles and flow structure, mixing mechanisms and droplet formation in water-fuel stratified shear flows, transport of microscopic particles and droplets in turbulent flows.
Flow-induced vibrations and noise, mechanisms of noise generation in turbulent separated flows and in turbomachines.
Development of optical flow diagnostics techniques, including Particle Image Velocimetry (PIV) and Holographic Particle Image Velocimetry (HPIV).
Complex flow structure and turbulence within turbomachines: Wake-wake and blade-wake interactions in multistage axial turbomachines, flow and rotating stall in centrifugal pumps, development of optical diagnostics techniques for measurements in turbomachines.
Cavitation phenomena, attached partial cavitation, cavitation in turbulent shear flows, jets and wakes.
Applications of PIV and HPIV for measuring the characteristics of turbulence and addressing turbulence modeling issues.

Journal Articles

Talapatra, S., Katz, J. (2013). Three Dimensional Velocity Measurements in a Roughness Sublayer using Microscopic Digital Inline Holography and Optical Index Matching. Measurement Science and Technology. 24. 024004.
DOI » View record in Web of Science SM
Talapatra, S., Hong, J., Mcfarland, M., Nayak, A.R., Zhang, C., Katz, J., Sullivan, J., Twardowski, M., Rines, J., Donaghay, P. (2013). Characterization of Biophysical Interactions in the Water Column Using In-Situ Digital Holography. Marine Ecology Progress Series. 473. 29-51.
DOI » View record in Web of Science SM
Liu, X., Katz, J. (2013). Vortex-corner interactions in a cavity shear layer elucidated by time-resolved measurements of the pressure field. Journal of Fluid Mechanics. 728. 417-457.
DOI » View record in Web of Science SM
Lu, Y., Katz, J., Prosperetti, A. (2013). Dynamics of cavitation clouds within a high-intensity focused ultrasonic beam. Physics of Fluids. 25(7).
DOI » View record in Web of Science SM
Bai, K., Meneveau, C., Katz, J. (2013). Experimental study of spectral energy fluxes in turbulence generated by a fractal, tree-like object. Physics of Fluids. 25(11).
DOI » View record in Web of Science SM

Conference Proceedings

Talapatra, S., Sullivan, J.M., Twardowski, M.S., Donaghay, P.L., Mcfarland, M.N., Katz, J., Churnside, J.H., Weidemann, A. "Biological Thin Layers: History, Ecological Significance and Consequences to Oceanographic Sensing Systems (Invited Paper)", SPIE Defense Security+Sensing, 24-April, 2012.
Talapatra, S., Sullivan, J.M., Katz, J., Twardowski, M.S., Donaghay, P.L., Hong, J., Rines, J., Mcfarland, M.N., Nayak, A., Zhang, C. "In-situ Digital Holography and Adaptive Sampling Enable the Study of the Interactions of Particles, Organisms and Bubbles Within their Natural Environment", SPIE Defense Security+Sensing Conference, # 8372-04, 24-April, 2012, vol.# 8372-04.
Uzol, O., Katz, J. "Measurement of Turbulence in Flows With System Rotation", von Karman Institute Lecture Series 2010-08 on Effect of System Rotation on Turbulence with Applications to Turbomachinery, 2010, vol.1.

Awards & Honors

2012 - 2012: National Taiwan Ocean University: Visiting Professor
2011 - 2011: Johns Hopkins University: Gilman Scholar
2010 - 2011: ASME: Fluids Eng. Division: Knapp Award - Best paper presented to the Fluids Engineering Division in 2010 dealing with analytical, numerical and laboratory researchs Engineering Division dealing with analytical, numerical and laboratory research
2009 - 2009: American Physical Society: APS Fellow
2006 - 2006: ASME: Fluids Eng. Division: Knapp Award - Best paper presented to the Fluids Engineering Division dealing with analytical, numerical and laboratory research
2005 - 2006: Measurement Science and Technology Journal: Outstanding Paper in fluid mechanics for 2005.
2005 - 2005: ISI Science Citation Index: Highly Cited Article, in the top 1% within its field: “Scale Invariance and Turbulence Models for LES" (Ann. Rev. Fluid Mech. 2000, with C. Meneveau)
2004 - 2004: ASME: Fluids Engineering Award
2004 - 2004: Japan Society of Mechanical Engineers (JSME): Member of Advisory Board of the JSME International Journal
2000 - 2003: Tel-Aviv University: Senior Professor, Special Appointment
2001 - 2001: Measurement Science and Technology Journal: Highly Commended Article
2001 - 2001: American Waterjet Conference, Water Jet Technology Association (WJTA), Best Paper,
2000 - 2000: Whiting School Mechanical Engineering Distinguished Professor, The Johns Hopkins University
2000 - 2000: 6th Pacific Rim International Conference on Water Jet Technology, Best Technical Paper
1999 - 1999: ASME: ASME Fellow
1992 - 1992: ASME: Fluids Eng. Division: Lewis F. Moody Award, Best Paper Dealing with Engineering Practice
1985 - 1985: National Science Foundation: Presidential Young Investigator Award
1984 - 1984: National Science Foundation: Research Initiation Award

Presentations

Bai, K., Katz, J., Meneveau, C., "Coherent structures and momentum transport at various scales above an array of multiscale structures," Abstract: M35.00002, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 25, 2013
Joshi, P., Katz, J., Liu, X., "Effect of pressure gradient fluctuations on boundary layer turbulence," R19.00003, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 25, 2013
Tan, D., Miorini, R., Vagnoni, E., Wilkes, I., Katz, J., "The flow mechanism causing performance breakdown in cavitating axial turbomachines," Abstract: R7.00008, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 25, 2013
Katz, J., Ling, H., "Real and virtual image separation in digital in-line holography microscopy by recording two parallel holograms," Abstract: G14.00008, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 24, 2013
Katz, J., Murphy, D., Morra, D., "Large Scale Behavior and Droplet Size Distributions in Crude Oil Jets and Plumes," Abstract: G3.00008, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 24, 2013
Nayak, A., Li, C., Kiani, B., Katz, J., "Turbulence Statistics in the Inner Part of the Coastal Ocean Bottom Boundary Layer," Abstract: H36.00005, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 24, 2013
Li, C., Holser, A., Katz, J., "Breakup of an oil slick mixed with dispersants by breaking wave," Abstract No. D3.00004, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 23, 2013
Miorini, R., Zhang, C., Katz, J., "Time Resolved Tomographic PIV Measurements of Rough-Wall Turbulent Channel Flow," Abstract No. D20.00001, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 23, 2013
Murphy, D., Morra, D., Katz, J., “Rain Drops and Oil Slicks: Impact of Water Droplets on a Surface Oil Layer,” Abstract No. A34.00006, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 23, 2013
Zhang, C., Miorini, R., Katz, J., "Simultaneous time-resolved measurement of flow field and surface deformation combining tomographic PIV and Mach-Zehnder interferometry," Abstract No. D14.00007, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania, Bulletin of the American Physical Society, Volume 58, Number 18., November 23, 2013
Katz, J., Gopalan, B., (2013), “Settling and Diffusion of Droplets and Particles in Turbulent Flows,” in Oil Droplets and Particles at the Gulf of Mexico Oil Spill & Ecosystem Science Conference, New Orleans, LA, January 19-24., January 23, 2013
Katz, J., Nayak, A., Talapatra, S., Hong, J., “Handling and Interpreting Massive Databases - PIV and Holography to Characterize Flow and Particle Distributions in the Ocean, 51st AIAA Aerospace Sciences Meeting, Grapevine (Dallas) TX, January 7-10, 2013. (Invited Presentation), January 7, 2013
Katz, J., Nayak, A., Talapatra, S., Hong, J., “Applications of PIV and Holography to Characterize Flow and Particle Distributions in the Ocean,” 2012 American Geophysical Union Fall Meeting, San Francisco, CA December 3-7, 2012. (Invited Presentation), December 3, 2012
Katz, J., “Forefront Applications of Digital Holography for Flow and Micro-Plankton Dynamics Measurements,” University of Maryland, College Park, MD, Washington DC - Northern Virginia Chapter of IEEE Photonics Society. Nov 15, 2012., November 15, 2012
Katz, J., "Coherent Structures Dominating the Turbulence in the Inner Part of Rough Wall Channel Flow," Postech, Pohang, Korea, October 24, 2012., October 24, 2012
Katz, J., “Flow Structure and Turbulence within the Rotor Passage of Axial Turbomachines,” ISFMFE 2012, 5th International Symposium on Fluid Machinery and Fluids Engineering, Jeju Island, Korea, October 24-27, 2012. (Plenary Lecture), October 24, 2012
Katz, J., "Coherent Structures Dominating the Turbulence in the Inner Part of Rough Wall Channel Flow," City College of New York, October 18, 2012., October 18, 2012
Joshi, P., Katz, J., “Effects of Mean and Fluctuating Pressure Gradients on the Structure of Turbulence in Boundary Layers,” NSF, 2012 CBET Grantee Conference, Baltimore, MD, June 6-8, 2012. (Feature Poster Presentation), June 8, 2012
Sullivan, J. M., Twardowski, M.S., Donaghay, P.L., Rines, J., McFarland, M.N., Talapatra, S., Katz, J., Churnside, J.H., Weidemann, A., “Biological Thin Layers: History, Ecological Significance and Consequences to Oceanographic Sensing Systems,” SPIE Defense Security+Sensing Conference, Baltimore, MD, April 24-27, 2012. (Invited Paper), April 24, 2012
Liu, X., Katz, J., “Unsteady Flow Phenomena Induced by the Pressure Field in an Open Cavity Shear Layer,” International Workshop on the Application of Particle Image Velocimetry for Aeroacoustics and Noise, Delft, The Netherlands, April 16-17, 2012. (Keynote Lecture), April 16, 2012
Katz, J. “Dispersion and breakup of oil droplets in turbulent flows,” Workshop on Environmental and Extreme Multiphase Flows, University of Florida, Gainesville, Florida, Mar. 14-16, 2012. (Invited Presentation), March 14, 2012
Talapatra, S., Sheng, J., Gopalan, B., Katz, J., “High Resolution, Three Dimensional Measurements of Velocity distributions and Particle Trajectories in Turbulent flows Using digital Holography, 50th AIAA Aerospace Science Meeting, Nashville, TN, (Invited Presentation), January 9, 2012
Measurements of Flow and Micro-Plankton Dynamics in the Laboratory and in the Ocean Using Digital Holography, National Cheng-Kung University, Tainan City 701, Taiwan. (Invited), December 8, 2011
Hong, J., Talapatra, S., Katz, J., “The Impact of Coherent Structures Generated by Roughness elements on the Characteristics of Turbulence in a Rough Wall Boundary Layer,” Flucome 2011, The 11th International Conference on Fluid Control, Measurements and Visualization, Keelung, Taiwan, (Keynote Presentation), December 5, 2011
Bai, K., Meneveau, C., Katz, J., “Mixing Length and Scale-to-Scale Kinetic Energy Transfer in the Wake of a Fractal Tree,” abstract No. R11.00007, 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland, Bulletin of the American Physical Society, Volume 56, Number 18., November 22, 2011
Joshi, P., Liu, X., Katz, J., “Turbulence in Accelerating Boundary Layers,” abstract No. S7.00008, 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland, Bulletin of the American Physical Society, Volume 56, Number 18., November 22, 2011
Liu, X., Katz, J., “The Low-Frequency Undulation Mechanism in an Open Cavity Shear Layer Flow,” abstract No. R11.00003, 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland, Bulletin of the American Physical Society, Volume 56, Number 18., November 22, 2011
Lu, Y., Katz, J., Prosperetti, A., “Cavitation and Bubble Cloud Dynamics in a High-Intensity Focused Ultrasonic Field,” abstract No. G13.00005, 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland. Bulletin of the American Physical Society, Volume 56, Number 18., November 21, 2011
Hong, J., 
 Katz, J., Meneveau, C., Schultz, M., “Coherent Structures and Associated Sub-Grid Scale Energy Transfer in a Rough-Wall Turbulent Channel Flow,” abstract No. E7.00007, 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland. Bulletin of the American Physical Society, Volume 56, Number 18., November 20, 2011
Talapatra, Katz, J. “HPIV Based volumetric 3D Flow Description in the Roughness Sublayer of a Turbulent Channel Flow,” abstract No. E7.00006, 64th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, Maryland. Bulletin of the American Physical Society, Volume 56, Number 18., November 20, 2011
Katz, J., "Characterization of Predator-Prey Interactions Among Marine Microplankton in the Laboratory and in the Ocean Using Digital Holography," Hebrew University, Jerusalem, Israel. (Invited), June 2, 2011
Katz, J., “Breakup and dispersion of Fuel Droplets Treated with Dispersants in Turbulent Flows,” 49th European Two-Phase Flow Group Meeting, Tel-Aviv University, Tel-Aviv, Israel, (Keynote Presentation), May 29, 2011
Southwest Mechanics Seminar Speaker (2011): Includes the following presentations:
University of Texas at Austin (3/28/11)
Texas A&M University (3/29/11)
University of Oklahoma (3/30/11)
Oklahoma State University (3/31/11)
Southern Methodist University (4/1/11)
Title: The Impact of Small Scale Eddies Generated by Roughness Elements on the Characteristics of Turbulence in a Rough Wall Boundary Layer. (Invited), March 28, 2011
Hong, J., Katz, J., Talapatra, S., Schultz, M., “The Inner Part of Rough Wall Turbulent Channel Flow.” 49th AIAA Aerospace Sciences Meeting, Orlando, FL., January 3-7. (Invited Presentation), January 3, 2011
Nayak, A.R., Hackett, E.F., Luznik, L., Katz, J., Osborn, T., “Turbulence Statistics in the Coastal Ocean Bottom Boundary Layer,” Abstract No. OS53C-1405, American Geophysical Union Fall Meeting, San Francisco, CA., December 13, 2010
J. Katz, J. Hong, C. Meneveau, M. Schultz: "Subgrid Scale (SGS) Flow Structures and Energy Flux in a Rough-Wall Channel Flow." MB.00010 in Session MB: Turbulent Boundary Layers VIII, Bulletin of the American Physical Society 63rd Annual Meeting of the APS Division of Fluid Dynamics Volume 55, Number 16, pp. 307-308, Long Beach, CA. (Contributed Talk), November 23, 2010
Hong, J., J. Katz, et al: "Roughness Signature in the Outer Layer of a Turbulent Boundary Layer." Bulletin of the American Physical Society 63rd Annual Meeting of the APS Division of Fluid Dynamics Volume 55, Number 16, pp. 207, Long Beach, CA., November 22, 2010
Joshi, P. and J. Katz: "Turbulence in Favorable Pressure Gradient (FPG) Boundary Layers." Bulletin of the American Physical Society 63rd Annual Meeting of the APS Division of Fluid Dynamics Volume 55, Number 16, pp. 207, Long Beach, CA., November 22, 2010
K. Bai, C. Meneveau, J. Katz: "PIV Measurements of the Near-Wake behind a Fractal Tree", HF.00009  in Session HF: Separated Flows II, Bulletin of the American Physical Society 63rd Annual Meeting of the APS Division of Fluid Dynamics Volume 55, Number 16, pp. 215, Long Beach, CA. (Contributed Talk), November 22, 2010
Liu, X. and J. Katz. "Time resolved measurements of the pressure field generated by vortex-corner interactions in a cavity shear layer." Bulletin of the American Physical Society 63rd Annual Meeting of the APS Division of Fluid Dynamics Volume 55, Number 16, pp. 267, Long Beach, CA., November 22, 2010
Talapatra, S. and J. Katz: "Resolving the 3D velocity field inside a Roughness Sublayer in a turbulent channel flow using HPIV." Bulletin of the American Physical Society 63rd Annual Meeting of the APS Division of Fluid Dynamics Volume 55, Number 16, pp. 70-71, Long Beach, CA., November 21, 2010
Talapatra, S., Nayak, A.R., Zhang, C., Hong, J., Katz, J., Twardowski, M., Sullivan, J., Donaghay, P., “Characterization of Organisms, Particles, And Bubbles in the Water Column Using A Free- Drifting, Submersible, Digital Holography System." 20th Ocean Optics Conference, The Oceanographic Society, Anchorage, Alaska., September 27, 2010
Hong, J., Katz, J., Schultz, M. "Near-Wall Turbulence Statistics and Flow Structures in Rough Wall Turbulent Channel Flow." 3rd Joint US-European Fluids Engineering Summer Meeting., August 1, 2010
Wu, H., Miorini, R.L., Katz, J. "Features of The Tip Leakage Flow Within a Water-Jet Pump Rotor Blade Passage." 3rd Joint US-European Fluids Engineering Summer Meeting., August 1, 2010
Joshi, P., Katz, J. "Experimental Investigation of Turbulent Boundary Layers Under Favorable Pressure Gradient." 3rd Joint US-European Fluids Engineering Summer Meeting., August 1, 2010
Talapatra, S., Katz, J., “Three Dimensional Volumetric Velocity Measurements in the Inner Part of a Turbulent Boundary Layer Over a Rough Wall Using Digital HPIV," Paper No. FEDSM-ICNMM2010-30813, 3rd joint US-European Fluids Engineering Summer Meeting, Montreal, Canada; (Invited Paper), August 1, 2010
C. Meneveau, J. Graham, K. Bai, J. Katz: “LES Modeling and Experimental Measurement of Boundary Layer Flow over Multi-Scale, Fractal Canopies”, DLES8, workshop, Eindhoven, Netherlands. (Contributed Talk), July 9, 2010
Miorini, R.L., Wu, H., Katz, J. "The Internal Structure of the Tip Leakage Vortex Within the Rotor of an Axial Water-Pump." ASME Turbo Expo 2010: Power and Land, Sea and Air, GT2010, Glasgow, UK. (Invited), June 14, 2010
C. Meneveau, J. Graham, K. Bai, J. Katz: “Simulating, Measuring, and Parameterizing Turbulent Boundary Layer Flow over Multi-Scale, Fractal Canopies.” at session NP3.3 Scaling and downscaling in acquatic systems, subgrid models and in parameterizations, EGU 2010 Annual Assembly, Vienna, Austria; (Invited Oral Presentation), May 5, 2010
MidWest Mechanics Seminar Speaker: "Experimental Characterization of Turbulence Within Turbomachines." University of Minnesota. (Invited), March 25, 2010
MidWest Mechanics Seminar 2010 Speaker includes the following Presentations:
"Experimental Characterization of Buffer Layer Structures Associated With Extreme Wall Stress Events in a Smooth Wall Turbulent Boundary Layers."(Invited)
University of Michigan (03/22/2010)
Michigan State (03/23/10)
Iowa State University (03/24/10)
University of Wisconsin (03/26/10), March 22, 2010
Hackett, E.F., Luznik, L., Nayak, A.R., Katz, J., Osborn, T., (2010), “High Resolution Flow and Turbulence Measurements in the Inner Part of the Coastal Bottom Boundary Layer.” Abstract No. PO41C-04, 2010, Ocean Sciences Meeting, Portland, Oregon., February 22, 2010
Nayak, A.R., Hackett, E.F., Luznik, L., Katz, J., Osborn, T., (2010), “Flow Structures and Scaling Issues Associated with Wave-Current Interaction in the Bottom Boundary Layer of the Coastal Ocean.” Abstract No. PO45H-04, Ocean Sciences Meeting, February 22-26, Portland, Oregon., February 22, 2010
Sheng, J., Adolf, J., Katz, J., Place, A.R., “A Mixotrophic Dinoflagellate Utilizes Toxins as a Means of Stunning Prey Prior to Ingestion.” Abstract No. BO21A-07, 2010, Ocean Sciences Meeting, Portland, Oregon., February 22, 2010
"Application of digital Holography to Characterize Buffer Layer Structures Generating Extreme Wall Stress Events in a Turbulent Boundary Layer," Tel Aviv University, Tel Aviv, Israel. (Invited), December 28, 2009
Hong, J., Katz, J., Schultz, M., "Turbulence Statistics Over 3D Roughness in a Turbulent Channel Flow," Abstract No. HA.00003, 62nd Annual Meeting of the APS Division of Fluid Dynamics, Minneapolis, Minnesota., November 22, 2009
Joshi, P., Katz, J., "Experimental investigation of turbulent sink flow boundary layers," Abstract No. PA.00005, 62nd Annual Meeting of the APS Division of Fluid Dynamics, Minneapolis, Minnesota., November 22, 2009
Katz, J., Hong, J., Schultz, M., "Flow Structures and Effects of Spatial Resolution on Turbulence Statistics in Rough Wall Turbulent Channel Flow," Abstract No. AA.00010, 62nd Annual Meeting of the APS Division of Fluid Dynamics, Minneapolis, Minnesota., November 22, 2009
Sheng, J., Katz, J., Adolf, J., Place, A., "Strain Variants in Swimming Characteristics of a Predatory Algae Species," Abstract No. HW.00007, 62nd Annual Meeting of the APS Division of Fluid Dynamics, Minneapolis, Minnesota., November 22, 2009
Talapatra, S., Hong, J., Katz, J., "Near Wall measurement in Turbulent Flow over Rough Wall using microscopic HPIV," Abstract No. BN.00006, 62nd Annual Meeting of the APS Division of Fluid Dynamics, Minneapolis, Minnesota., November 22, 2009
"Modulation of turbulent flows by large scale periodic forcing in coastal boundary layers and turbomachines," Symposium in celebration of the distinguished career of Professor Roger E.A. Arndt and his accomplishments in the field of fluid mechanics, St. Anthony Falls Lab, University of Minnesota, Minneapolis, MN, November 20, 2009
Application of Digital Holography to Characterize Buffer Layer Structures Generating Extreme Wall Stress Events in a Turbulent Boundary Layer, Stanford University, Palo Alto, CA; (Invited), November 10, 2009
Life in the Sea with Professor Joseph Katz, Johns Hopkins Alumni Event, Los Angeles Chapter - Aquarium of the Pacific, Long Beach, CA; (Invited), November 8, 2009
J.M. Burgers, "Centrum Course on Particle Image Velocimetry (PIV)." Participation includes two lectures on applications of PIV, and two lectures on principles and applications of holography, Delft, Holland. (Invited Speaker), October 26, 2009
MidWest Mechanics Seminar Speaker: "Experimental Characterization of Turbulence Within Turbomachines." Purdue University. (Invited), September 30, 2009
MidWest Mechanics Seminar 2009 Speaker includes the following Presentations:
"Experimental Characterization of Buffer Layer Structures Associated With Extreme Wall Stress Events in a Smooth Wall Turbulent Boundary Layers."
Illinois Institute of Technology (09/28/09)
University of Notre Dame (09/29/09)
University of Illinois at Urbana Champaign (10/01/09)
Northwestern University (10/02/09), September 28, 2009
Wu, H., Miorini, R., Katz, J., “Flow Structure and Turbulence within a Tip Leakage Vortex Developing in a Naval Waterjet Pump," Minnowbrook VI Workshop on Flow Physics and Control for Internal and External Aerodynamics, Syracuse University Minnowbrook Conference Center, Blue Mountain Lake, New York. (Invited), August 23, 2009
Katz, J., "Experimental Characterization of Turbulence within Turbomachines," ASME 2009 Fluids Engineering Division Summer Meeting, Vail, Colorado. (Keynote Presentation), August 2, 2009
Hong, J., Katz, J., Schultz, M., “Near-Wall Flow Structures Over 3D Roughness in a Turbulent Channel Flow,” IUTAM Symposium on The physics of wall-bounded turbulent flows on rough walls, Cambridge UK. (Invited), July 7, 2009
Hackett, E.E., Luznik, L., Nayak, A., Katz, J., Osborn, T.R., "Near-bed Turbulence in the Bottom Boundary Layer of the Coastal Ocean," Abstract # EGU2009-10987, European Geosciences Union, General Assembly, Vienna, Austria., April 19, 2009
Buffer Layer Structures Associated with Extreme Wall Stress Events in a Smooth Wall Turbulent Boundary Layer, Kansas State University, Manhattan, KS; (Invited), February 24, 2009
Joshi, P., Katz, J., "Experimental investigation of turbulent sink flow boundary layers," Abstract No. PA.00005, 62nd Annual Meeting of the APS Division of Fluid Dynamics, Minneapolis, Minnesota., February 22, 2009
Gopalan, B., Katz, J., “Formation of Long Tails during Breakup of Oil Droplets Mixed with Dispersants in Locally Isotropic Turbulence,” Abstract # MH.00004, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Hong, J., Katz, J., Schultz, M., “Experimental Investigation of Near-Wall Flow Structures in a Rough-Wall Turbulent Channel Flow,” Abstract # GA.00006, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Katz, J., Sheng, J., Malkiel, E., Adolf, J., Place, A., “Strategy Dependent Swimming Dynamics Change among a Predatory Algae Species with Different Strains,” Abstract # ML.00001, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Liu, X., Katz, J., “Measurement of Pressure-Rate-of-Strain, Pressure Diffusion and Velocity-Pressure-Gradient Tensors around an Open Cavity Trailing Corner,” Abstract # HC.00004, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Sheng, J., Malkiel, E., Katz, J., “Holographic Microscopy Reveals Buffer Layer Structures Generating Wall Stress Extremes in a Turbulent Boundary Layer,” Paper # HA.00002, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Sotiropoulos, F., Borazjani, I., Malkiel, E., Katz, J. “Numerical Simulation of a Self-Propelled Copepod During Escape,” Abstract # ML.00005, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Talapatra, S., Hong, J., Lu, Y., Katz, J., “Microscopic Holography for Flow Over a Rough Plate,” Abstract # GT.00008, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Zhang, M., Katz, J., Prosperetti, A., “Measurement and Modeling of Channel Wall Vibration Subjected to Internal Bubbly Flow,” Abstract # AP.00004, 61st Annual Meeting of the APS Division of Fluid Dynamics, San Antonio, Texas., November 23, 2008
Buffer Layer Structures Associated with Extreme Wall Stress Events in a Smooth Wall Turbulent Boundary Layer Fall Fluid Mechanics Symposium. Virginia Tech, Blacksburg, VA; (Keynote Lecture), November 13, 2008
Acquiring Data for CFD Benchmarking Panel on Algorithm Development in CFD, ASME, Fluids Engineering Division Summer Conference. Jacksonville, FL; (Invited Speaker and Panelist), August 10, 2008
Digital Holographic Microscopy Elucidates the Effects of Buffer Layer Flow Structures on Wall Shear Stress Distributions in a Turbulent Boundary Layer, 5th AIAA Theoretical Fluid Mechanics Conference. Seattle, WA; (Invited Speaker), June 23, 2008
Digital Holography Resolves Complex 3-D Flows, Turbulent Dispersion of Droplets and Swimming Behavior of Marine Organisms, Saint Anthony Falls Laboratory, 70th Anniversary Symposium, Inaugural International Conference of the Engineering Mechanics Institute, EM08. Minneapolis, MN; (Keynote Speaker), May 19, 2008
Measurements of Dispersions (turbulent diffusion) Rates and Breaking up of Oil Droplets in Turbulent Flows Short course on Efficacy and Effects of Dispersants in Oil Spill Response, International Oil Spill Conference. Savannah, GA (Invited Presentation), May 4, 2008
Diffusion of Particles in Isotropic Turbulence Using High Speed Digital Holographic Cinematography AGU-ASLO Ocean Science Meeting. Orlando FL. (Invited Speaker), March 2, 2008
Gopalan, B., Malkiel, E., Karp-Boss, L., Sheng, J., Katz, J., “Diffusion of Particles in Isotropic Turbulence Using High Speed Digital Holographic Cinematography,” Abstract # 3210, AGU-ASLO Ocean Science Meeting, Orlando FL. (Invited), March 2, 2008
Hackett, E.E., Luznik, L., Katz, J., Osborn, T.R., “Effect of Spatial Averaging on Spectral Characteristics in The Frequency Domain of In-Situ Velocity Data,” Abstract # 448, , AGU-ASLO Ocean Science Meeting, Orlando FL., March 2, 2008
Luznik, L., Hackett, E.E., Katz, J., Osborn, T.R., “Direct Estimation of the Reynolds Stresses From PIV Data” Abstract # 1912, , AGU-ASLO Ocean Science Meeting, Orlando FL., March 2, 2008
Pfitsch, D. W., Malkiel, E., Gemmell, B., Takagi, M., Sheng, J., Buskey, E .J., Katz, J., "Studying In-Situ Marine Zooplankton Behavior Using a Submersible Holographic Imaging System,” Abstract # 2565, AGU-ASLO Ocean Science Meeting, Orlando FL., March 2, 2008
Sheng, J., Pfitsch, W., Katz, J, “Shipboard Large Throughput Cell Cytometry with Cinematic Digital Holographic Microscope,” Abstract # 3111, AGU-ASLO Ocean Science Meeting, Orlando FL., March 2, 2008
Measurements of Diffusion of Droplets in Turbulent Flows and Swimming Behavior of Marine Dinoflagellates Using digital Holography. Louisiana State University, Baton Rouge, LA; (Invited), February 22, 2008
Measurements of Turbulent Diffusion of Slightly Buoyant Droplet (Diesel Fuel) Using High Speed Digital Holography, 2nd Institute of Applied Mathematics Turbulence Workshop, Accelerations in Turbulent Flows. Imperial College, London. (Invited Speaker), December 4, 2007
Diffusion of Fuel Droplets in Turbulent Flows and Swimming Behavior of Marine Dinoflagellates Revealed Using Digital Holography Seminar. Caltech, Pasadena CA., November 30, 2007
Measurements of Flow and Micro-Plankton Dynamics in the Laboratory and in the Ocean Using Digital Holography Seminar. Purdue University, West Lafayette, IN. (Invited), November 29, 2007
Borazjani, I., Sotiropoulos, F., Malkiel, E., Katz, J., “On the hydrodynamics of planktonic microcrustacean locomotion: Numerical simulations and experiments,” Abstract No. NH.00002, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
Gopalan, B., Malkiel, E., Katz, J., “
Experimental Investigation of Lagrangian Statistics of Motion of Diesel Oil Droplets and Fluid Particles in Isotropic Turbulence,” Abstract No. BT.00001, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
Liu, X., Katz, J., “Measurement of Pressure-Rate-of-Strain, Pressure Diffusion and Velocity-Pressure-Gradient Tensors in a Cavity Shear Layer by Integrating the Material Acceleration,” Abstract No. NQ.00010, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
Sheng, J., Malkiel, E., Katz, J., Adolf, J., Place, A., Belas, R., “Prey-Induced Swimming Dynamics Changes among Predatory Algae,” Abstract No. KH.00003, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
Sheng, J., Malkiel, E., Katz, J., “Statistics on Near Wall Structures and Shear Stress Distribution from 3D Holographic Measurement,” Abstract No. AE.00003, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
Snyder, M., Knio, O., Katz, J., Le Maître, O., “Numerical study of the motion of microscopic oil droplets under high turbulence,” Abstract No. EC.00006, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
van Hout, R., Katz, J., “PIV measurements of the velocity field in counter-rotating cylindrical Couette flow,” Abstract No. FE.00003, 60th Annual Meeting of the Division of Fluid Dynamics of APS, Salt Lake City, Utah., November 18, 2007
Measurements of Flow and Particle Dynamics in The Laboratory and in the Ocean Using Digital Holography Seminar. Rutgers University, Piscataway, NJ. (Invited), October 24, 2007
High Resolution, Three Dimensional Flow Measurements and Particle Tracking Using Digital Holography, 7th International Symposium on Particle Image Velocimetry. Rome, Italy.(Keynote Presentation), September 11, 2007
Measurements of Flow and Micro-Plankton Dynamics in The Laboratory and in The Ocean Using Digital Holography Seminar. Technion – Israel Institute of Technology, Haifa, Israel. (Invited), August 12, 2007
Sheng, J., Malkiel, E., Katz, J., Adolf, J., Belas, R., Place, A.R., “Prey-Induced Changes in Swimming Behavior of Predatory Dinoflagellates,” 61st meeting of the Phycological Society of America with the International Society of Protozoologists, Providence, Rhode Island, Journal of Phycology, Vol. 43, Supplements, P. 25., August 5, 2007
High Resolution Measurements of Flow and Micro-Plankton Dynamics in the Laboratory and in the Ocean Using Digital Holography Seminar. Brown University, Providence, RI. (Invited), April 10, 2007
"Digital Holography and Fluid Flow,"The Mechanical Engineering Centennial Celebrations, California Institute of Technology. Pasadena, CA; (Invited Speaker), March 30, 2007
Sheng, J., Gopalan, B., Malkiel, E., Katz, J., (2007), “Measurements 3D Flow and Particle Motion in the Laboratory and in the Ocean Using Digital Holography (Holographic Microscopy),” Seminar on Experimental Fluid Mechanics, Computer Vision & Pattern Recognition, Schloss Dagstuhl, Germany. (Invited Speaker), March 18, 2007
Malkiel, E., Pfitsch, D.W., Sheng, J., Katz, J., “Observing the Three Dimensional Zooplankton World with Holography,” ASLO 2007 Aquatic Sciences Meeting. P. 113 in book of abstracts, Santa Fe, New Mexico., February 4, 2007
Sheng, J., Malkiel, E., Katz, J., Adolf, J., Belas, R., Place, A.R., “High Resolution, 4D Lagrangian Measurement of Microorganisms in Dense Suspensions,” ASLO 2007 Aquatic Sciences Meeting. P. 166 in book of abstracts, Santa Fe, New Mexico., February 4, 2007

Committees

2011: Design and assembly of test facilities in the undergraduate thermal systems laboratory, including a pump facility, internal combustion engine. Duties include also supervision of regular operation of undergraduate labs.
2012 - 2012: Co-Organizer: Forum on Flow Measurement Uncertainty, ASME Fluids Engineering Division Summer Meeting, 2012, July 8-12, Puerto Rico.
2010 - 2012: Member and Students’ Adviser– Oversight Committee for the Minor in Space Science and Technology.
2000 - 2012: Committee membership – ASME Fluids Engineering Division Committees on Fluid Applications and systems.
2000 - 2012: Committee membership – ASME Fluids Engineering Division Fluid Mechanics Technical Committee.
2000 - 2012: Committee membership – ASME Fluids Engineering Division Fluid Measurements Technical Committees.
1993 - 2012: Committee Membership – ASME Fluids Engineering Division Multiphase Flow Committee.
2011 - 2011: Member of Organizing Committee: APS, 64th Meeting of the Division of Fluid Dynamics, Baltimore, MD, November 20-22
2011 - 2011: Participant and Co-Organizer: Los Alamos National Laboratory Workshop on Research Needs for Material Mixing at Extremes, La Fonda Hotel, Santa Fe, New Mexico January 9–12, 2011.
2011 - 2011: Member – Oversight Committee of the Center for Leadership Education.
2010 - 2011: Adviser – Design Build and Fly (students remotely controlled aircraft competition)
2009 - 2011: Adviser – JHU AIAA students’ chapter
1999 - 2011: Undergraduate Aerospace Concentration program, Department of Mechanical Engineering
1999 - 2011: Mechanical Engineering Department Space Committee
1999 - 2011: Mechanical Engineering Department Budget Committee
1991 - 2011: Mechanical Engineering Undergraduate Curriculum Committee
2010 - 2010: Faculty Adviser of the Class of 2010
2010 - 2010: Member of Scientific Committee, 15th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, July 5-8.
2009 - 2009: Co-Organizer - CAV2009: 7th International Symposium on Cavitation, August 16-20, Ann Arbor, MI
2008 - 2008: Member of Scientific Committee, 14th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, June 7-10.
2008 - 2008: Member of the Johns Hopkins University Presidential Search Committee
2004 - 2008: Member of Advisory Board of the JSME International Journal.
2007 - 2007: Member of Advisory Committee – 5th International Symposium on Turbulence and Shear Flow Phenomena, TU Munich, August 27–29.
2007 - 2007: Member of International Scientific Committee – ICMF-07, International Conference on Multiphase Flows, Leipzig, Germany, July 9-13.
2006 - 2006: Faculty Adviser of the Class of 2006.
2006 - 2006: Member of Scientific/Organizing Committee – CAV 2006, 6th International Symposium on Cavitation, Wageningen, The Netherlands, Sept. 11-15.
2007 - 2005: Member of Advisory Committee – 5th International Symposium on Turbulence and Shear Flow Phenomena, TU Munich, August 27–29.
2005 - 2005: Member of Local Executive Committee – 4th International Symposium on Turbulence and Shear Flow Phenomena, Williamsburg, VA, June 27-29.
2003 - 2005: Committee on Intellectual Properties, School of Engineering – The Johns Hopkins University
2003 - 2003: Member of Scientific/Organizing Committee – CAV 2003, 5th International Symposium on Cavitation, Osaka, Japan, Nov. 11-14.
2000 - 2003: Committee Membership: ASME, Fluids Engineering Division, all sub-committees (related to JFE Editor's position).
2002 - 2002: Faculty Adviser of the Class of 2002.
2000 - 2001: Member of Scientific/Organizing Committee – CAV 2001, 4th International Symposium on Cavitation, Cal. Inst. Of Tech., Pasadena, CA, June 20-23.
2000 - 2001: Member of Scientific Committee, ICMF-2001, 4th International Conference on Multiphase Flows.
1996 - 2001: Co-Director: Center for Environmental and Applied Fluid Mechanics
2000 - 2000: ASME student adviser
2000 - 2000: Undergraduate Eng. School Curriculum Committee.
1999 - 1999: Committee on Manufacturing Engineering.
1999 - 1999: University Drug Testing Committee
1999 - 1999: University Parking Committee
1999 - 1999: University Parking Committee
1999 - 1999: Undergraduate Advising Committee
1998 - 1998: Faculty Adviser of the Class of 1998.
1996 - 1996: Dean Advisory Committee
1996 - 1996: Co-Founder: Center for Environmental and Applied Fluid Mechanics, the Johns Hopkins University
1989 - 1995: Organize the Christie Lecture
1994 - 1994: JANNAF Combustion Subcommittee -Workshop on LP Sensitivity
1992 - 1992: Faculty Adviser of the Class of 1992.
1988 - 1991: ASME student adviser