שביט

אורי שביט

, פרופ"ח
פרופסור חבר

זרימה והסעה בסביבות מורכבות
הידרולוגיה ופיסיקה של הקרקע
בעיית ההמלחה של מקורות המים בישראל
שיטות מדידה (Particle Image Velocimetry – PIV)

Journal papers

  • Shaviv, A., Shnek, M., Shavit, U. and Ravina, I., Modeling Nutrients Uptake Considering Sorption Kinematics: P Uptake from One Dimensional Simulated Rhizosphere. J. Plant Nutr., 15, 1099-1114, 1992.
  • Shavit, U. and Chigier, N., Fractal Geometry of Liquid Jets Under Breakup. Fractals, 2(2), 277-281, 1994.
  • Shavit, U. and Chigier, N., The Role of Dynamic Surface Tension in Air Assist Atomization. Physics of Fluids 7 (1), January pp. 24-33, 1995.
  • Shavit, U., Shaviv, A. and Zaslavsky, D., Solute Diffusion Coefficient in the Internal Medium of a New Gel Based Controlled Release Fertilizer. Journal of Controlled Release, 37(1), 21-32, 1995.
  • Shavit, U. and Chigier, N., Fractal Dimensions of Liquid Jet Interface Under Breakup. J. of Atomization and Sprays, 5(6), 525-543, 1995.
  • Shavit, U. and Chigier, N., Development and Evaluation of a New Turbulence Generator for Atomization Research. Experiments in Fluids, 20, 291-301, 1996.
  • Shavit, U., Shaviv, A, Shalit, G. and Zaslavsky, D., Release Characteristics of a New Controlled Release Fertilizer. Journal of Controlled Release, 43, 131-138, 1997.
  • Furman, A. and Shavit, U., Identification of an Underground Salt Pollution Source in The Coastal Plain Aquifer of Israel. Fresenius Environmental Bulletin. 7, 100-107, 1998
  • Shavit, U. and Furman, A., The Location of Deep Salinity Sources in the Israeli Coastal Aquifer. J. of Hydrology, 250, 63-77, 2001.
  • Frenkel, V., Gurka, R., Liberzon, A., Shavit, U., Kimmel, E., Preliminary Investigation of Ultrasound Acoustic Streaming Using Particle Image Velocimetry. Ultrasonics, 39, 153-156, 2001.
  • Shavit, U., Gas Liquid Interaction in the Liquid Breakup Region of Twin Fluid Atomization. Experiments in Fluids, 31, 550-557, 2001.
  • Shavit, U., Bar-Yosef, G., Rosenzweig, R., and Assouline, S., Modified Brinkman Equation for a Free Flow Problem at the Interface of Porous Surfaces: The Cantor- Taylor Brush Configuration Case. Water Resources Research, 38(12), 1320-1334, 2002.
  • Shavit, U., Reiss, M., and Shaviv, A., Wetting Mechanisms of Gel-Based Controlled -Release Fertilizers. Journal of Controlled Release, 88(1), 71-83, 2003.
  • Shavit, U., Moltchanov, S., and Agnon, Y., Particles resuspension in waves using visualization and PIV measurements – coherence and intermittency. International Journal of Multiphase Flow, 29, 1183-1192, 2003.
  • Master, Y., Laughlin, R. J., Shavit, U., Stevens, R. J. and Shaviv A., The effect of secondary effluent irrigation on gaseous nitrogen losses. Journal of Environmental Quality, 32(4), 1204-1211, 2003.
  • Abbo, H., Shavit U., Markel, D. and Rimmer, A. A numerical study on the influence of fractured regions on lake / groundwater interaction; the Lake Kinneret Case. Journal of Hydrology, 283(1-4), 225-243, 2003.
  • Shavit, U., Rosenzweig, R., and Assouline, S., Free Flow at the Interface of Porous Surfaces: Generalization of the Taylor Brush Configuration. Transport in Porous Media, (54), 345–360, 2004.
  • Farber, E., Vengosh, A., Gavrieli, I., Marie, A., Bullen, T.D., Mayer, B., Holtzman, R., Segal, M., and Shavit U., The origin and mechanisms of salinization of the Lower Jordan River. Geochimica et Cosmochimica Acta, 68(9), 1989–2006, 2004.
  • Lahav O, Lu Y, Shavit U, and Loewenthal RE. Modeling H2S(g) emission rates in gravity sewage collection systems. Journal of Environmental Engineering- ASCE 130 (11): 1382-1389, 2004.
  • Segal-Rozenhaimer, M., Shavit, U., Holtzman, R., Vengosh, A., Farber, E., Gavrieli, I., Bullen, T., Mayer, B., and Shaviv, A., Nitrogen Pollutants, Sources and Processes along the Lower Jordan River. Journal of Environmental Quality, 33, 1440-1451, 2004.
  • Assouline S. and Shavit U. Effects of Management Policies, Including Artificial Recharge, on the Salinization Process in a Coastal Aquifer. Water Resources Research, 40 (4): Art. No. W04101 April 2004.
  • Holtzman, R., Shavit, U., Segal-Rozenhaimer, M., Gavrieli, I., Marei, A., Farber, E., and Vengosh, A. Quantifying Ground Water Inputs along the Lower Jordan River. Journal of Environmental Quality, 34(3): 897-906, 2005.
  • Master, Y., Shavit, U., and Shaviv, A., Modified Isotope Pairing Technique to Study N Transformations in Polluted Aquatic Systems: Theory, Environmental Science & Technology, 39 (6): 1749-1756, 2005.
  • Kremen, A., Bear, J., Shavit, U., and Shaviv, A., A model demonstrating the potential for coupled nitrification denitrification in soil aggregates, Environmental Science & Technology, 39 (11): 4180-4188, 2005.
  • Farber, E., Vengosh, A., Gavrieli, I., Marie, A., Bullen, T.D., Mayer, B., Holtzman, R., Segal, M., and Shavit, U., Management scenarios for the Jordan River salinity crisis, Applied Geochemistry, 20 (11): 2138-2153 2005.
  • Shavit, U., Lowe, R.J., and Steinbuck J.V., Intensity Capping: a simple method to improve cross-correlation PIV results, Experiments in Fluids 42(2): 225-240, 2007.
  • Farber, E., Vengosh, A., Gavrieli, I., Marie, A., Bullen, T.D., Mayer, B., Polak, A., and Shavit, U. The geochemistry of groundwater resources in the Jordan Valley: impact of the Rift Valley brines. Applied Geochemistry 22 (3): 494-514, 2007.
  • Rosenzweig, R., and U. Shavit, The laminar flow field at the interface of a Sierpinski carpet configuration, Water Resources Research, 43, W10402, 2007.
  • Lowe R.J., Shavit U., Falter J.L., Koseff J.R. & Monismith S.G., “Modeling flow in coral communities with and without waves: a synthesis of porous media and canopy flow approaches,” Limnology and Oceanography, 53(6): 2668-2680, 2008.
  • Shavit, U., A preface for a Special Issue on ‘Transport phenomena at the interface between fluid and porous domains’, Transport in Porous Media, 78(3), 327-330, 2009.
  • Duman, T. and Shavit, U., An apparent interface location as a tool to solve the porous interface flow problem, Transport in Porous Media, 78(3), 509-524, 2009.

Academic Degrees

1987 –  B.Sc. Technion-IIT
1990 –  M.Sc. Technion-IIT
1994 – Ph.D. Carnegie Mellon University (CMU)

 

Current Courses

Physics of porous medium,
Introduction to flow, transport and pollution in soils,
Introduction to Hydraulics and Hydrology,
Irrigation Engineering 1,
Turbulence – a reading club

 

Current Graduate Students

Ph.D.
Sharon Moltchanov: Momentum and mass transfer above and through porous regions
Tomer Duman: Flow and Particle transport at porous media interfaces
Ravid Rosenzweig: The effect of biofilms on the hydraulic properties of unsaturated soils

 

M.Sc.
Hannah Bardin: The Role of Soil Drying on the Use of Oxygen Isotopes in Groundwater Research
Shushanna Kington: An Examination of the Isotope Pairing Techniques Using Numerical Simulations of Nitrogen Processes in Sediments

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