George Nnanna
Assistant Professor of Mechanical Engineering
Address
Purdue University Calumet
Department of Engineering
Anderson 241
2200 169th Street
Hammond, IN 46323-2094
Phone: 219-989-2071
To send email:
nnanna@calumet.purdue.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:
- 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):
- 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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