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Faculty and Staff Profiles

Gabriel Tardos

Professor

School/Division

Grove School of Engineering

Department

Chemical Engineering

Office

Steinman Hall T-310

p: (212) 650-6665

f: (212) 650-6672

e: gtardos@ccny.cuny.edu

  • Profile

    Website

    ACADEMIC POSITIONS 

    1987-present Professor, Department of Chemical Engineering, The City College of New York 

    1987-1990 Chairman, Department of Chemical Engineering 

    ENGINEERING EXPERIENCE 

    1985-1986 Sabbatical: General Electric Company, Corporate Research and Development Center, Information Systems Laboratory, Schenectady, NY 12301 

    1992-1993 Sabbatical: Unilever Research Inc., Corporate Research Center Process Technology Department, Edgewater, NJ 07010 

    1996-1999; 2001, 2002 Visiting Engineer (summer month), Procter&Gamble and Co., Este Research Laboratory, Cincinnati, Oh. 

    2001-2002; 2003-2004 Sabbatical and Visiting Engineer: Merck and Co. Inc., Physical Chemical Manufacturing Laboratory (PCML), Merck Manufacturing Division, West Point, Pa, 19486.

  • Education

    1969: Dipl.- Eng. in Energy Engineering, Polytechnic Institute, Bucharest, Romania 

    1975: M. Sc. in Mechanical Engineering, Technion-Israel Institute of Technology (IIT), Haifa, Israel 

    1978: D. Sc. in Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pa/Technion-IIT, Haifa, Israel 

  • Courses Taught

    Powder Science and Technology, Granulation (size increase) of fine powders, Caking of powders, Theory and practice of powder flows, Fluid-particle Systems.

  • Research Interests

    Powder processing in the pharmaceutical industry 

    Binder granulation of fine powders 

    Moisture ingress into powders and the study of caking 

    Study of slow, frictional powder flows 

    Detecting sticking, sintering and caking properties of powders

  • Publications

    a. Chapters in Books

    Tardos, G.I., L. Farber, D. Bika and J. N. Michaels, “Morphology and Strength development in solid and solidifying inter-particle bridges in granules of pharmaceutical powders”, Chapter in “Granulation and coating of fine particles”, A. Salman, M. Hunslow and J.K.S. Seville, editors, Elsevier, (2005). 

    Tardos G.I. and P.J. Mort, “Dry Powder Flows”, Chapter 9 in “Multiphase Flow Handbook”, C. Crowe, (Ed.), CRC Press, Boca Raton, Florida, October (2005). 

    Tardos G.I. and P.J. Mort, “Fluidization: Applications for Coating and Granulation”, Chapter 17 in “Handbook of Fluidization and Fluid-particle Systems”, W.C. Yang, (Ed.), Marcel Dekker, New York, Basel, pp. 445-468, (2003). 

    b. Journals edited 

    Tardos, G.I., (Guest Editor), “Granulation and Coating of Fine Powders”, Special issue of Powder Technology, Vol. 117, No. 1-2, (2001). 

    c. Educational papers 

    Tardos, G. I., "Development of a Powder Technology Option at CCNY", J. Chem. Eng. Ed., pp. 172-181, (1995). 

    d. Technical Publications 

    M. Kheiripour Langroudi, S. Turek, A. Ouazzi and G. I. Tardos, "An investigation of frictional and collisional powder flows using a unified constitutive equation", Vol. 197, pp. 91-101, Powder Technology, (2010). 

    M. Kheiripour Langroudi, G. I. Tardos, J. N. Michaels and P. Mort, "Effect of Material Properties, Boundary Conditions and Flow Fields on the Rheology of Dense Granular Matter", June, Powders& Grains, (2009). 

    M. Gentzler and G. I Tardos, "Measurement of Velocity and Density profiles in discharging conical Hoppers by NMR imaging", Chem. Eng. Sci., Special Issue in Honor of Professor Morton Denn's 70-th Birthday, August, (2009). 

    J. N. Michaels, L Farber, G. S. Wong, K. Hapgood, S. J. Heidel, J Farabaugh, Jun-Hong Chou and G. I. Tardos, "Steady states in granulation of pharmaceutical powders with application to scale-up", Vol. 178, pp.21, Powder Technology, (2008). 

    Farber, L., G.I., Tardos and J.N. Michaels, "Micro-mechanical properties of drying material bridges of pharmaceutical excipients", International Journal of Pharmaceutics, Vol. 306, pp. 41-55, (2005). 

    Purutyan, H., G. I. Tardos and B. H. Pittenger, "Understanding and Avoiding Caking of Bulk Powders", pp. 22-29, Chemical Engineering Progress (CEP), May, (2005). 

    Tardos, G.I., "Wet-Granulation Research with Application to Scale-up – a review", Vol. 3, #3, pp. 191-195, China Particuology – Science and Technology of Particles, (2005). 

    Kalman H. and G.I. Tardos, "Elements of Particle Technology in the Chemical Industry", Particulate Science and Technology, (PS&T), Vol. 23, pp. 1-19, (2005). 

    Bika, D., G.I. Tardos, S. Panmai, L. Farber and J.N. Michaels, "Strength and morphology of solid bridges in dry granules of pharmaceutical powders", Vol. 150, pp. 104-116, Powder Technology, (2005). 

    Tardos, G.I., K. P. Hapgood, O. O. Ipadeola and J. N. Michaels, "Stress measurements in High Shear Granulators using calibrated "test" Particles: application to Scale-up", Vol. 140, pp. 217-227, Powder Technology, (2004).

  • Additional Information

    Professor Tardos introduced the first "Powder Technology" option into an undergraduate Chemical Engineering curriculum. The course is given every year since 1993 during the Spring semester of each academic year.  

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