Articles in Scientific Journals

  1.    H. Kalman, A. Ullmann and R. Letan, "Visualization Studies of a Freon-113 Bubble Condensing in Water", J. Heat Transfer, Vol. 109, pp. 543-545, 1987.
  2.    A. Ullmann and R. Letan, "Effect of Noncondensibles on Condensation and Evaporation of Bubbles", J. Heat Transfer, Vol. 111, pp. 1060-1067, 1989.
  3.    A. Ullmann and H. Kalman, "Efficiency and Optimized Dimensions of Annular Fins of Different Cross-section Shapes", Int. J. Heat Mass Transfer, Vol. 32, No. 6, pp. 1105-1110, 1989.
  4.    A. Ullmann, Z. Ludmer, and R. Shinnar, "Phase Transition Extraction Process Using Solvent Mixtures with a Critical Point of Miscibility", A.I.Ch.E. Journal, Vol. 41 (3), pp. 488-500, 1995.
  5.    A. Ullmann, Z. Ludmer, and R. Shinnar, "Novel Continuous Multistage Extraction  Column Based on Phase Transition of Critical-Solution Mixtures", Chemical Engineering Science, Vol. 52 (4), pp. 567-581, 1997.
  6.    A. Ullmann and A. Dayan, "Exhaust Volume Model for Dust Emission Control of Belt Conveyor Transfer Points", Powder Technology, Vol. 96/2, pp. 139-147, 1998.
  7.    A. Ullmann, “The Piezoelectric Valveless Pump Performance Enhancement Analysis”, Sensors & Actuators: A. Physical, Vol. 69/1, pp. 97-105, 1998.
  8.    H. Kalman and A. Ullmann,” Experimental Analysis of Bubble Shape During Condensation in Miscible and Immiscible Liquids”, Journal of Fluids Engineering Vol. 121, pp. 496-502, 1999.
  9.    A. Dayan, A. Ullmann and S. Zalmanovich, "Measurements of Solid Contaminants  Emission Rates from Boiling Pools", Chemical Engineering Science Vol. 55, pp. 2203-2212, 2000.
  10. A. Dayan, A. Ullmann and S. Zalmanovich, "Measurements of Solid Particles Suspension Concentration in Boiling Pools", Nuclear Engineering and Design Vol. 199, pp. 203-214, 2000.
  11. Y. Ullmann, R. Kremer, Y. Ramon, J. Berger, A. Ullmann, I.J. Peled, Evaluation of the Validity of “Haifa” Formula for Fluid Resusciation, in Burn Patients, at “Rambam” Medical Center”, Annals of Burns and Fire Disasters, Vol. XIII(4), pp. 206-121, 2000.
  12. A. Ullmann, I. Fono and Y. Taitel “The Piezoelectric Valveless Pump – Dynamic Model”, Journal of Fluid Engineering, Vol. 123(1) pp. 92-98, 2001.
  13. D. Goder, H. Kalman and A. Ullmann, “Fatigue Characteristics of Granular Materials”, Powder Technology, Vol. 122 (1), pp. 19-25, 2002.
  14. N. Brauner, and A Ullmann, “Modeling of Phase Inversion Phenomenon in Two-Phase Pipe Flow”, Int. J. Multiphase Flow, Vol. 28, pp. 1177-1204, 2002.
  15. A. Dayan, R. Kushnir and A. Ullmann. “Laminar Free Convection Underneath a Hot Horizontal Infinite Strip”. International Journal of Heat and Mass Transfer, Vol. 45, pp. 4021-4031, 2002.
  16. A. Ullmann and I. Fono, “The Piezoelectric Valve-Less Pump - Improved Dynamic Model”, Journal of Microelectromechnical Systems, Vol. 11 No. 6, pp. 655-664, 2002.
  17. M. Haim, Y. Weiss, H. Kalman and A. Ullmann, “The Effect of The Inlet Conditions on the Numerical Solution of Particles-Gas Flow” Advanced Powder Technology, Vol. 14 No. 1, pp. 87-110 , 2003.
  18. N. Brauner, and A Ullmann, “Prediction of the holdup in liquid slugs”, Trans. of the Institute of Fluid Flow Machinery, No 112, pp. 75-90, 2003.
  19. A. Ullmann, M. Zamir, Z. Ludmer and N. Brauner, “Stratified Laminar Countercurrent Flow of Two Liquid Phases in Inclined Tubes” Int. J. Multiphase Flow Vol. 29, pp. 1583-1604, 2003.
  20. A. Ullmann, M. Zamir, S. Gat and N. Brauner, “Multi-Holdups in Co-Current Stratified Flow in Inclined Tubes” Int. J. Multiphase Flow Vol. 29, pp. 1565-1581, 2003.
  21. O. Braunshtein, H. Kalman and A. Ullmann, “Performance and Optimization of Composed Fin Arrays ” Heat Transfer Engineering, Vol. 25 No. 4  pp. 4-12, 2004.
  22. N. Brauner, and A Ullmann, “Modeling of Gas Entrainment from Taylor Bubbles: Part A: Slug Flow”, Int. J. Multiphase Flow Vol. 30, pp. 239-272, 2004.
  23. N. Brauner, and A Ullmann, “Modeling of Gas Entrainment from Taylor Bubbles: Part B: A Stationary Bubble” Int. J. Multiphase Flow Vol. 30, pp. 273-290, 2004.
  24. A. Ullmann, M Zamir, A. Goldstein and N. Brauner, ”Closure relations for the Shear Stresses in Two-Fluid Models for Laminar Stratified Flow”, Int. J. Multiphase Flow, 30(7-8) 877-900, 2004.
  25. A. Dayan, R. Kushnir, G. Mitelman and A. Ullmann “Laminar Free Convection Underneath a Downward Facing Hot Fin Array”, International Journal of Heat and Mass Transfer, Vol. 47, pp. 2849-2860, 2004.
  26. A. Ullmann and N. Brauner ”Closure relations for the Shear Stresses in Two-Fluid Models for Core-Annular Flow” Multiphase Science and Technology, Vol.16, 4, pp.355-387, 2004.
  27. G.A. Pinhasi, A. Ullmann and A. Dayan "Modeling of Flashing Two-Phase Flow", Reviews in Chemical Engineering, Vol. 21, pp. 133-264, 2005.
  28. A. Ullmann, A. Goldstein and N. Brauner ”Gas-Liquid and Liquid-Liquid Stratified Flows: Exact Analytical Solutions and Mechanistic Models", Transactions of the Institute of Fluid-Flow Machinery No.117, pp. 59-79, 2005.
  29. A. Ullmann and N. Brauner ”Closure Relations for Two-Fluid Models for Two-Phase Stratified Smooth and Stratified Wavy Flows", Int. J. Multiphase Flow, Vol. 32, pp. 82-105, 2006.
  30. A. Ullmann, M. Zamir, R. Abudu and Z. Ludmer, "Flow Phenomena and Flooding Limitations in a Phase Transition Extraction Column", Chemical Engineering Science Vol. 61, pp. 3806-3817, 2006.
  31. A. Ullmann and N. Brauner "The Prediction of Flow Pattern Maps In Mini Channels", Multiphase Science and Technology, Vol 19, pp. 49-73, 2007.
  32. G. Mittelman, A. Dayan, K. Dado-Turjeman and A. Ullmann "Laminar Free Convection Underneath a Downward Facing Inclined Hot Fin Array", International Journal of Heat and Mass Transfer, Vol. 50, pp. 2582-2589, 2007.
  33. G.A. Pinhasi, A. Ullmann and A. Dayan "1D Plane Numerical Model for Boiling Liquid Expanding Vapor Explosion (BLEVE)",  International Journal of Heat and Mass Transfer Vol. 50, pp 4780–4795, 2007.
  34. R. Kushnir, A. Ullmann and A. Dayan "Steady Periodic Gas Flow Around a Well of a CAES Plant Operation", Transport in Porous Media, available on-line 2007.

Conferences
Extended Papers in Conference Proceedings

  1. H. Kalman, A. Ullmann and R. Letan, "Dynamics of a Condensing Bubble in Zone of Time-Dependent Velocity", Proc. 8th Int. Heat Transfer Conf., Hemisphere, Vol. 4, pp. 1925-1930, 1986.
  2. A. Ullmann and R. Letan, "Effect of Noncondensibles on Condensation and Evaporation of Bubbles", ASME Proc. 25th National Heat Transfer Conf., Vol. 2, pp. 409-414, 1988.
  3. A. Ullmann and R. Letan, "Motion of an Accelerating Droplet", ASME Proc. 25th National Heat Transfer Conf., Vol. 2, pp. 455-460, 1988.
  4. A. Ullmann and R. Letan, "Effect of Non-Condensibles on Condensation and Evaporation of Bubbles in a Multiphase System", Proc. of the International Symposium of Phase Change Heat Transfer, Chongqing, China, May, 1988.
  5. A. Ullmann and R. Letan, "Motion of a Condensing Bubble", Proc. of the First World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, Shah, R. K., Ganic', E. N. and Yang, K. T. Editors, Elsevier, pp. 1085-1089, NY, 1988.
  6. A. Ullmann and R. Letan, "Evaporation of Droplets Sprayed into an Immiscible Liquid", Heat Transfer Phenomena in Radiation, ASME HTD Vol. 106, pp. 537-541, 1989.
  7. A. Ullmann, Z. Ludmer, and R. Shinnar, "Novel Separation Process Using Solvents with a Critical Point of Miscibility", Proc. of the Topical Conference on Separation Technologies New Developments and Opportunities, 1992 AIChE Annual Meeting, Miami Beach, Florida, November 1992.
  8. A. Dayan, A. Ullmann, and S. Zalmanovich, "Measurements of Solid Contaminants Emission Rates from Boiling Pools", Proc. of the 2nd International Conference on Multiphase Flow, Vol. 2, pp. PC2-13 - PC2-16 ,Kyoto, Japan April 1995.
  9. G. A. Pinhasi, A. Ullmann and A. Dayan, “Method of Characteristics Solutions for Blowdown Involving Bubbles Break-up”, Proc. of M&C 99, Spain September 1999.
  10. A. Ullmann, M. Zamir, Z. Ludmer, N. Brauner, “Characteristics of Liquid-Liquid Counetr-Current Flow in Inclined Tubes – Application to PTE Process”, Proc. of the Int. Symp on Multiphase Flow and Transport Phenomenon, Antalya, Turkey, Nov. 5-10, ICHMT, 112-116 2000.
  11. A. Ullmann, M. Zamir, Z. Ludmer and N. Brauner, “Flow Patterns and Flooding Mechanisms in Liquid-Liquid Counter-Current Flows in Inclined Tubes” Proc. of ICMF-2001, New-Orleans, Louisiana, May 2001.
  12. A. Dayan, R. Kushnir, G. Mittelman and A. Ullmann, “Natural Convection Heat Transfer Underneath A Downward Facing Hot Fin Array” proc. of the 1st International Conference on Heat Transfer, Fluid Mechanics, and Thermodynamics, Vol. 1 (1), pp. 482-485, South Africa April 2002.
  13. N. Brauner and A. Ullmann, “Prediction of Holdup in Liquid Slugs”, proc. of  “HEAT 2002” the 3rd Int. Conf. on Transport Phenomena in Multiphase Systems, Poland, June 2002.
  14. M. Zamir, A. Ullmann, Z. Ludmer and N. Brauner, "Flooding limitations of countercurrent liquid-liquid flow in PTE columns", proc. of  the 5th International Conference on Multiphase Flow, ICMF’04, Yokohama, Japan, May 4, 2004.
  15. A. Goldstein, A. Ullmann And N. Brauner, "Gas-Liquid and Liquid-Liquid Stratified Flows: Analytical and Mechanistic Models, "5th International Conference on Transport Phenomena in Multiphase Systems, Gdansk Poland, June 26-30, 2005.
  16. R. Abudu, A. Ullmann and N. Brauner, "Performance of a Phase Transition Extraction (PTE) Column with Inclined Settlers", Proc. of the 5th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion, Xi’an, China, 3-6 July, 2005.
  17. N. Brauner and A. Ullmann, "New Closure Relations for the Interfacial and Wall Shear Stresses and Interfacial Curvature for Two-Phase Stratified Flows", Proc. of the 5th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion, Xi’an, China, 3-6 July, 2005.
  18. S. Gat, N. Brauner, A. Ullmann, " Heat Transfer Enhancement Via Liquid-Liquid Phase Separation", Proc. of the International Heat Transfer Conference IHTC13, Sydney Australia, August 2006.
  19. A. Goldstein, A. Ullmann, N. Brauner. "Laminar Two-Phase Separated Flows - Analytical Solutions", Proc. of the International Heat Transfer Conference IHTC13, Sydney Australia, August 2006.
  20. N. Brauner and A. Ullmann, "The Prediction of Flow Pattern Maps in Mini Channels", in Proc. of the 4th Japanese European Two-Phase Flow Group Meeting, Ed. K. Mishima, A. Tomiyama, K. Tsuchiya, G.P. Celata and I. Zun, Kyoto, Japan, 24-28 September 2006.
  21. R. Kushnir, V. Segal, A. Ullmann and N. Brauner, "Instability Mechanisms in Multiple Solution Regions of Inclined Stratified Flows", in Proc. of the 6th International conference on Multiphase Flow, ICMF 2007, Leipzig, Germany, July 2007.
  22. Z. Ludmer, E. Ermolenko, T. Golan, N. Brauber and A. Ullmann, "The Use of Critical Solution Mixtures for Contaminated Sediments or Sludge Remediation"  in Proc. of  the 3rd International Conference on Environmental Science and Technology (EST2007), Houston, August, 2007.

Conference Abstracts

  1. H. Kalman, A. Ullmann, and R. Letan, "Dynamics of a Condensing Bubble in Zone of Time-Dependent Velocity", Presented at the 8th International Heat Transfer Conference, San Francisco, California, 1986.
  2. A. Ullmann and R. Letan, "Effect of Non-Condensibles on Evaporators and Condensers", Presented at the 21st Israel Conference on  Mechanical Engineering, Haifa, Israel, 1987.
  3. A. Ullmann and R. Letan, "Effect of Non-Condensibles on Condensation of Bubbles", Presented at the 5th Beer Sheva Int. Seminar on M.H.D. Flows and Turbulence, Jerusalem, Israel, 1987.
  4. A. Ullmann and R. Letan, "Effect of Non-Condensibles on Condensation and Evaporation of Bubbles in a Multiphase System", Presented at the International Symposium of Phase Change Heat Transfer, Chongqing, China, May, 1988.
  5. A. Ullmann and R. Letan, "Motion of Droplets and Phase Changing Bubbles", Presented at the International Symposium of Phase Change Heat Transfer, Chongqing, China, May, 1988.
  6. A. Ullmann and R. Letan, "Effect of Non-Condensibles on Condensation and Evaporation of Bubbles", Presented at the 25th National Heat Transfer Conference, Houston, Texas, July, 1988.
  7. A. Ullmann and R. Letan, "Motion of an Accelerating Droplet", Presented at the 25th National Heat Transfer Conference, Houston, Texas, July, 1988.
  8. A. Ullmann and R. Letan, "Motion of a Condensing Bubble", Presented at the First World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, Dubrovnik, Yugoslavia, Sept. 1988.
  9. A. Ullmann and R. Letan, "Evaporation of Droplets Sprayed into an Immiscible Liquid", Presented at the 1989 National Heat Transfer Conference, Philadelphia, Pennsylvania, July, 1989.
  10. A. Ullmann, Z. Ludmer, and R. Shinnar, "Novel Separation Process Using Solvents with a Critical Point of Miscibility", Presented at the 1992 AIChE Annual Meeting, Miami Beach, Florida, November 1992.
  11. A. Ullmann, Z. Ludmer, R. Mauri, and R. Shinnar, "Liquid-Liquid Extraction Using Solvent Mixtures With a Critical Point of Miscibility", Presented at the 1993 Spring National Meeting of the Biochemical Technology Division of the American Chemical Society, Denver, Colorado, March 1993.
  12. A. Ullmann, Z. Ludmer, and R. Shinnar, "Liquid-Liquid Extraction By Means of Induced Phase Transition" Presented at the 1993 Israeli Institute of Chemical Engineering Annual Meeting, Tel-Aviv, Israel, April 1993.
  13. A. Dayan, A. Ullmann, and S. Zalmanovich, "Measurements of Solid Contaminants Emission Rates from Boiling Pools", The 2nd International Conference on Multiphase Flow, Kyoto, Japan April 1995.
  14. A. Ullmann, "Controlling Dust Emission At Belt Conveyor Transfer Points", The First Israeli Conference on Handling and Conveying of Particulate Solids, Israel, May 1995.
  15. A. Ullmann, A. Dayan, and Y. Orenshtein, "Free Convection Heat Transfer from a Downward Fined Surface", Motorola Summer AMT Symposium, ME/D session, USA, 1995.
  16. A. Ullmann and A. Dayan, “Control of Dust Emission At Belt Conveyor Transfer Points” The Thirteenth Conference of Mineral Engineering, Israel, December 1996.
  17. A. Dayan, Y. Orenshtein, and A. Ullmann "Natural Convection Heat Transfer Underneath a Hot Fin Array", The 27th Israel Conference on Mechanical Engineering Technion Haifa, Israel, May 1998.
  18. A. Dayan, S. Zalmanovich, and A. Ullmann "Measurements of Solid particles Emission from Boiling Pools", The 13th International Congress of Chemical and Process Engineering Praha, Czech Republic August 1998.
  19. G. A. Pinhasi, A. Ullmann and A. Dayan “Method of Characteristics Solutions for Blowdown Involving Bubbles Break-up”, M&C 99, Spain, September 1999.
  20. A. Ullmann, M. Zamir, Z. Ludmer and N. Brauners, “Liquid-Liquid Countercurrent  Flow in Inclined tubes – Application to Phase Transition Extraction Column”, 38th European Two-Phase Group Meeting Karlsruhe, Germany, 29-30 May 2000.
  21. M. Zamir, A. Ullmann, Z. Ludmer and N. Brauner, “Liquid-Liquid Counter-Current Flow”, IIChE Conf., Beer-Sheva, 24-26 June 2000.
  22. A. Ullmann, M. Zamir, Z. Ludmer and N. Brauner, “Effect of Tube Inclination on the Flow  Pattern and the Performance of Phase Transition Extraction Columns”, ORFEUS’ 2000 – 5th Workshop on Transport Phenomena in Two-Phase Flow, Pamporouo, Bulgaria, Sept. 6-11, 2000.
  23. A. Ullmann, M. Zamir, Z. Ludmer and N. Brauner, “Characteristics of Liquid-Liquid Countercurrent Flow in Incline Tubes Application to PTE Process”, MFTP-2000, Int. Symp. on Multiphase Flow and Transport Phenomena, Antalya, Turkey, 5-10 Nov. 2000.
  24. G. A. Pinhasi, A. Ullmann and A. Dayan “Numerical Model for Boiling Liquid Vapor Explosion (BLEVE)”, Proc. of IIChE, Haifa, Israel April 2001.
  25. A. Ullmann, M. Zamir, S. Gat and N. Brauner, “Multi-Value Holdups In Stratified Co-Current And Countercurrent Inclined Two-Phase Flows” 39 European Two-Phase Flow Group Meeting , Aveiro, Portugal June, 2001.
  26. S. Gat, M. Zamir, A. Ullmann and N. Brauner, “Concurrent Stratified Flow of Two Liquid Phases In Inclined Tubes: The Issue of Multiple Holdups”, Israeli Institute of Chemical Engineering Annual Meeting, Tel-Aviv, Israel, April 2002.
  27. N. Brauner and A. Ullmann, “Modeling of Gas Entrainment from Taylor Bubbles”, 40th European Two-Phase Flow Group meeting”, Stockholm, Sweden June 2002,
  28. N. Brauner and A Ullmann and Ayelt Goldstein, “Closure Relations for the Shear Stresses in Two-Fluid Modles for Stratified Flow” 41st European Two-Phase Flow Group Meeting, Trondheim, Norway, May, 2003.
  29. A. Goldstein, A. Ullmann and N. Brauner, “Analytical Solution of Laminar Stratified Tow-Phase Flows in Inclined Tubes”, The Israel Conference for Mechanical Engineering, Technion, Haifa, May 2003.
  30. A. Ullmann and N . Brauner, “Closure Relations for the Shear Stresses in Two-Fluid Modles for Laminar Stratified and Core Annular Flows” 3rd European-Japanese Two-Phase Flow Group Meeting, Certosa di Pontigano, September 2003.
  31. A. Ullmann and N. Brauner, “Closure Relations for the Shear Stresses in Two-Fluid Modles for Stratified Smooth and Stratified Wavy Flow”, 42st European Two-Phase Flow Group Meeting, Genoa, Italy, June 2004.
  32. G.A. Pinhasi, A. Dayan, and A. Ullmann, "A  <BIG>Numerical Model for Boiling Liquid Expending Vapor Explosion (BLEVE)", 42nd Aerospace Sciences Meeting and Exhibit, AIAA 2004-161, Reno Nevada. 6-9 January 2004.
  33. G.A. Pinhasi, A. Dayan, and A. Ullmann, "<BIG>Numerical Model for Bubbles Break-Up during Blowdown", 43rd Aerospace Sciences Meeting and Exhibit, AIAA 2005-0383, Reno Nevada. 10-13 January, 2005.
  34. N. Brauner and A. Ullmann, "Challenges in Obtaining Closures foe Stratified Flow Models", Conference on Transport Phenomena with Moving Boundaries, Berlin Germany, 11th-12th October, 2005.
  35. N. Brauner and A. Ullmann, " The prediction of flow pattern maps in mini channels", Conference on Transport Phenomena with Moving Boundaries, European Two-Phase Flow meeting, Lausanne, June, 2006.
  36. Tal Golan, Amos Ullmann, Neima Brauner and Zvi Ludmer, "A Novel Soil Remediation Technology for the Removal of Organic Pollutants", First European conference, Budapest July, 2006.

Keynote Lectures

  1. Amos Ullmann (with Zvi Ludmer and Neima Brauner) "Partially Miscible Solvent System: Flow Phenomena and Heat and Mass Transfer Applications" “HEAT 2008” the 5th Int. Conf. on Transport Phenomena in Multiphase Systems, Bialystok, Poland, June 2008

Patents

  1. R. Shinnar, A. Ullmann, and Z. Ludmer, "Solvents for the Selective Removal of H2S from Gases Containing Both H2S and CO2", U.S. Patent No. 5,277,884, 1994.
  2. Z. Ludmer, A. Ullmann , N. Brauner and T. Golan "Process for separating hazardous heavy metals, organic pollutants and organic materials from a soil composition or from sediments" U.S. Provisional Patent Application LDMR/001, 2006.

Reports

  1. A. Ullmann (PI) and  N. Brauner, Z. Ludmer, E. Ron, E. Tel-Or, U. Mingelgrin, Z. Gerstl, P. Fine,  Italian-Israeli cooperation on environmental technologies Phase I "An Integrated Approach to the Remediation of Polluted River Sediments", Report submitted to the Italian Ministry of Environment and Territories (IMET), August 2005.
  2. A. Ullmann (PI) and  N. Brauner, Z. Ludmer, E. Ron, E. Tel-Or, U. Mingelgrin, Z. Gerstl, P. Fine,  Italian-Israeli cooperation on environmental technologies Phase II "An Integrated Approach to the Remediation of Polluted River Sediments", Report submitted to the Italian Ministry of Environment and Territories (IMET), December 2006.
  3. A. Ullmann (PI) and  N. Brauner, Z. Ludmer, E. Ron, E. Tel-Or, U. Mingelgrin, Z. Gerstl, P. Fine,  Italian-Israeli cooperation on environmental technologies Final Report "An Integrated Approach to the Remediation of Polluted River Sediments", Report submitted to the Italian Ministry of Environment and Territories (IMET), December 2007.

line

Return to:
[ Amos Ullmann Home Page | School of Mechanical Engineering| Faculty of Engineering ] line

Please send comments or questions about this page to: < webmaster@eng.tau.ac.il >
Last modified: April, 2008