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George Nnanna

Interim Department Head
Professor of Mechanical Engineering

Professor, by Courtesy, School of Mechanical Engineering, Purdue University West Lafayette
Director of Purdue Calumet Water Institute

PhD, Mechanical Engineering
The University of Texas at Arlington, 2002

Resume


Address

Purdue University Calumet
Department of Engineering
Powers 211D
2200 169th Street Hammond, IN 46323-2094

Phone: 219-989-2071

To send email: Nnanna@purduecal.edu

 

Education

  BS, Texas Tech University
  MS, University of Texas at Arlington
  PhD, University of Texas at Arlington

Areas of Instruction

  Heat Transfer
  Thermodynamics
  Fluid Mechanics
  Heating Ventilation and Cooling
  Heat Exchanger Design
  Heat Transfer in Electronics

Research Interests

  Thermal Transport Phenomena in Micro/Nana Porous Media
  Bio and Micro Scale Heat Transfer
  Thermo Mechanical Analysis in Micro Electronics
  Phase Change Heat Transfer

Representative Publications

    Selected Journal Publications:

  • Nina Zhou and A.G. Agwu Nnanna, 2011, "Investigation of Hybrid Spring-membrane System for Fouling Control," under review, Desalination: International Journal for Desalting and Water Purification, Ms. No. DES-D-10-01828.

  • A.G. Agwu Nnanna, 2010, "Thermo-Hydraulic Behavior of Micro-Channel Heat Exchanger System," Journal Experimental Heat Transfer, vol. 23, Issue 2, pp. 157-173.

  • A.G. Agwu Nnanna, W. Rutherford, W. Elomar, and B. Sankowski, 2009, "Assessment of Thermoelectric Using Nanofluid Heat Exchanger," Applied Thermal Engineering Journal, Vol. 29, pp. 491-500.

  • A.G. Agwu Nnanna, 2007, "Experimental Model of Temperature Driven Nanofluid," Journal of Heat Transfer, Vol. 129, pp. 697-704.

  • A.G. Agwu Nnanna, 2006, "Application of Refrigeration System to Electronics Cooling," Applied Thermal Engineering, Vol. 26, No. 1, pp. 18-27.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and K.T. Harris, 2005, "An Experimental Study of Non-Fourier Thermal Response in Porous Media," Journal of Porous Media, Vol. 8, No. 1, pp. 31-44.

  • A.G. Agwu Nnanna, and A. Haji-Sheikh, 2005, "Sensitivity Coefficients for Analyzing Interstitial Properties during Phase Change in Porous Media," Journal of Inverse Problems in Science and Engineering, Vol. 13, No. 6, pp. 595-616.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and K.T. Harris, 2004, "Experimental Study of Local Thermal Non-Equilibrium Phenomena during Phase Change in Porous Media," International Journal of Heat and Mass Transfer, Vol. 47, pp. 4365 - 4375.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and Dereje Agonafer, 2003, "Effects of Variable Heat Transfer Coefficient, Fin Geometry, and Curvature on the Thermal Performance of a Fin," ASME Journal of Electronic Packaging, Vol. 125, pp. 1-5.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and K.T. Harris, 2002, "An Experimental Study of Non-Fourier Thermal Response in Porous Media," Journal of Porous Media (in press).

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and Kendall T. Harris, 2002, "Experimental Study of Phase Front under Local Thermal Non-Equilibrium Condition - Phase Change Phenomena in Porous Media," Submitted for publication at the International Journal of Heat and Mass Transfer.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and Kendall T. Harris, 2001, "Phase Change Phenomena in Porous Media - A Non Local Thermal Equilibrium Model," International Journal of Heat and Mass Transfer, Vol. 44, No. 8, pp. 1619-1625.

    Selected Conference Presentations/Publications (Peer Reviewed):

  • I. Biswas and A.G. Agwu Nnanna, 2011, "An Empirical Assessment of Solvent-Solute-Membrane Interaction on Development of Fouling,"American Membrane Technology Association/SEDA 2011 Joint Conference & Exposition, 8 pages, July 18-21, 2011, Miami Beach, FL.

  • N. Zhou and A.G. Agwu Nnanna, 2011, "Parametric Study of Ultrafiltration Membrane in Oily Wastewater," American Membrane Technology Association/SEDA 2011 Joint Conference & Exposition, 8 pages, July 18-21, 2011, Miami Beach, FL.

  • J. Kaiser, V. Petrovic, V. Chandramouli and A. G. Agwu Nnanna, 2011, "Indiana Rainfall Pattern Trends the Influence of Large Wind Farms," (Poster), EWRI Congress (Environmental Water Resources Institute), ASCE (American Society of Civil Engineers), 8 pages, May 22-26, Palm Springs, CA.

  • J. Kaiser, V. Petrovic, V. Chandramouli and A.G. Agwu Nnanna, 2011, "Tracking Potential Trends in the Discharge of Stream Flow into Lake Michigan," (Poster), EWRI Congress (Environmental Water Resources Institute), ASCE (American Society of Civil Engineers), 8 pages, May 22-26, Palm Springs, CA.

  • J. Walker, S. Sheng, A.G. Agwu Nnanna, and L. Li, 2010, "Correlation of Direct Evaporative Cooling Efficiency with Media Porosity," Proceedings of ASME International Mechanical Engineering Congress and Exposition, IMECE2010-39709, 8 pages, November 12-18, 2010, Vancouver, British Columbia, Canada.

  • L. Li, and A.G. Agwu Nnanna, 2009, "Mitigation of Fouling on Hollow Fiber Membrane using Ultrasonic Transducer," Proceedings of ASME International Mechanical Engineering Congress and Exposition, IMECE2009-10926, 8 pages, November 13-19, 2009, Lake Buena Vista, FL.

  • N. Zhou, and A.G. Agwu Nnanna, 2009, "Parametric Study of Ultrafiltration Membrane," Proceedings of ASME International Mechanical Engineering Congress and Exposition, IMECE2009-11696, 8 pages, November 13-19, 2009, Lake Buena Vista, FL.

  • L. Li, X. Wang, and A.G. Agwu Nnanna, 2009, "Investigation of Indoor Environment for a Data Center," Proceedings of ASME International Mechanical Engineering Congress and Exposition, IMECE2009-12513, 8 pages, November 13-19, 2009, Lake Buena Vista, FL.

  • N. Zhou, and A.G. Agwu Nnanna, 2009, "Numerical Simulation of Hollow Fiber Ultrafiltration Membrane," Proceedings of ASME International Mechanical Engineering Congress and Exposition, IMECE2009-11705, 8 pages, November 13-19, 2009, Lake Buena Vista, FL.

  • X. Lu, and A.G. Agwu Nnanna, 2008, "Nanoparticle-Wall Interaction during Fluid Flow in Microchannel, Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, IMECE2008-67932, 8 pages, October 31 - November 6, 2008, Boston, MA.

  • A. Abdi, and A.G. Agwu Nnanna, 2008, "Dye Doped Clad Modified Evanescent Fiber Optic Sensor Array for the Detection of Aqueous-ammonia," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, IMECE2008-67935, 8 pages, October 31 - November 6, 2008, Boston, MA.

  • S. Khalsa, and A.G. Agwu Nnanna, 2008, "Investigation of Thermal Performance of Thermoelectric Module," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, IMECE2008-67938, 8 pages, October 31 - November 6, 2008, Boston, MA.

  • S.S. Shastry, and A.G. Agwu Nnanna, 2008, "Investigation of Fiber Optic Sensor for Monitoring of Ammonia," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, IMECE2008-67940, 8 pages, October 31 - November 6, 2008, Boston, MA.

  • S. Shastry, A.G. Agwu Nnanna, Nabil Ibrahim, and Abdeq Abdi, "Application of Fiber Optics Technology to Monitor Contaminants in Water," Presented and published at the AWWA Water Security Congress, Ohio, April 6, 2008.

  • M. Senta, and A.G. Agwu Nnanna, 2007, "Design of Manifold for Nanofluid Flow in Microchannels," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2007-42720, 8 pages, November 11 - 15, Seattle, WA.

  • W. Rutherford, W. Elomar, A.G. Agwu Nnanna, and B. Sankowski, 2007, "Assessment of Thermoelectric using Nanofluid Heat Exchanger," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2007-42702, 8 pages, November 11-15, 2007, Seattle, WA.

  • W. Rutherford, W. Elomar, A.G. Agwu Nnanna, and B. Sankowski, 2007, "Integrated Thermoelectric Nanofluid Heat Exchanger," Proceedings of ASME, IPACK2007-33698, 8 pages, July 8-12, 2007, Vancouver, British Columbia, CANADA.

  • A.G. Agwu Nnanna, and M. Berhe, 2006, "Temperature-Driven Nanofluid," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2006-15278, 8 pages, Nov. 5 -10, 2006, Chicago, IL.

  • M. Routhu, and A.G. Agwu Nnanna, 2006, "Mathematical Formulation of Transport Phenomena in Buoyancy-Driven Nanofluid," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2006-13268, 8 pages, Nov. 5 - 10, Chicago, IL.

  • A.G. Agwu Nnanna, 2005, "Nanoparticle Concentration in Buoyancy Flow," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2005-79364, 8 pages, Nov. 5 - 11, Orlando, FL.

  • A.G. Agwu Nnanna, and M. Routhu, 2005, "Transport Phenomena in Buoyancy-Driven Nanofluids - Part II." Proceedings of the ASME Summer Heat Transfer Conference, No. SHTC-72782, 8 pages, July 17 - 22,
    San Francisco, CA.
  • A.G. Agwu Nnanna, T. Fistrovich, J. Malinski, and S.U.S. Choi, 2004, "Thermal Transport Phenomena in Buoyancy-Driven Nanofluids," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2004-62059, 8 pages, Nov. 13 - 19, Anaheim, CA.

  • A.G. A. Nnanna, and A. Haji-Sheikh, 2004, "Sensitivity Coefficients for Analyzing Interstitial Properties during Phase Change in Porous Media," Proceedings of the ASME Int. Mechanical Engineering Congress and Exposition, No. IMECE2004-59369, 8 pages, Nov. 13 -19, Anaheim, CA.

  • A.G. Agwu Nnanna, T.J. Mehok, D. Stella, U. Ahmed, D. Roldan, C.Q. Zhou and P. Chaubal, 2004, "Experimental Cold Flow Water Model of a Blast furnace Hearth: Part I," Proceedings of ASME Heat Transfer/Fluid Engineering Summer Conference, No. HT-FED 2004-56541, 8 pages, July 11 -  15, Charlotte, NC.

  • A.G. Agwu Nnanna, A. Uludogan, D. Roldan, C.Q. Zhou, P. Chaubal, and D. (Frank) Huang, 2004, "Water Model of a Blast Furnace Hearth for Flow Pattern Investigation," Proceedings of AISTECH Conference, September 15-17, 2004, Nashville, TN.

  • A.G. Agwu Nnanna, B. Hughes, J. Brooks, B. Anderson, and J. Mitchell, 2004 "Transient Response of Refrigeration System to Instantaneous Alterations in Heat Load of Electronics," Proceedings of ASME heat Transfer/Fluid Engineering Summer Conference, No. HT-FED2004-56128, 8 pages, July 11 - 15, Charlotte, NC.

  • A.G. Agwu Nnanna, 2003, "Measurement of Interstitial Heat Transfer Coefficient during rapid Phase Change in Porous Media" Accepted for presentation at the ASME International Mechanical Engineering Congress and Exposition, Washington, DC, Paper No. IMECE2003-42431.

  • A.G. Agwu Nnanna, 2003, "A Study of Non-Equilibrium Heat Transfer in Porous Media" ASME National Heat Transfer Conf., Las Vegas, Nevada, Paper No. HT2003-40385.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and Kendall T. Harris, 2002, "Experimental Study of Phase Front under Local Thermal Non-Equilibrium Condition-Phase Change Phenomena in Porous Media," presented at ASME International Mechanical Engineering Congress and Exposition, New Orleans, Louisiana, Paper No. IMECE2002-39705.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and Dereje Agonafer, 2002, "Effects of Variable Heat Transfer Coefficient, Fin Geometry, and Curvature on the Thermal Performance of a Fin" presented at the 2002 ASME ITHERM, San Diego, CA.

  • A.G. Agwu Nnanna, A. Haji-Sheikh, and Kendall T. Harris, 2001, "Experimental Validation of Non-Fourier Thermal Behavior in Porous Structure," Proceedings of the ASME HTD-Vol.369-4, Combustion and Energy Systems, No.HTD-24279.

  • A.G. Agwu Nnanna, Dereje Agonafer, and Mark T. North, 2001, "Optimization of Heat Pipe Spacing in Heat Sinks: A Computational Fluid Dynamics Study, InterPACK'01-Int. Intersociety Electronic & Photonic Packaging Conference and Exhibition, CD-Rom, I498CD.

  • A.G. Agwu Nnanna, Kendall T. Harris, and A. Haji-Sheikh, 2000, "Experimental Model for a Thermosyphon which Employs Solid/Liquid Phase Change Materials," Proceedings of the ASME-HTD-Vol. 366-4, No. H1195D.

    Publications in Preparation:

  • "Experimental Investigation of Flow Patterns in the Vicinity of the Taphole of the Hearth of a Blast Furnace using Cold Flow Water Model," in progress.

  • "Experimental Investigation of Transport Phenomena in Buoyancy-Driven Nanofluids" in progress.

  • "Application of Vapor Compression Refrigeration Unit (VCRU) to Cool High Heat Flux Electronics" in progress.

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