Choondal B. Sobhan Visiting Assistant Professor, Rensselaer Polytechnic Institute Assistant Professor of Mechanical Engineering, National Institute of Technology, Calicut, India Current Projects Modeling of the Flow and Heat Transfer in Micro Heat Pipes Contact Information Office: MANE Department, 5031 JEC Rensselaer Polytechnic Institute 110 8th St. Troy, NY 12180 U.S.A. Office Phone: 518-276-3436 Office Fax: 518-276-6025 EMail: csobhan@nitc.ac.in Additional Website NIT Profile Education 1986 - 1990 Doctor of Philosophy, Mechanical Engineering Interferometric Studies on Natural Convection Indian Institute of Technology Madras, India 1984 - 1986 Master of Technology, Mechanical Engineering Heat Transfer and Thermal Power Engineering Indian Institute of Technology Madras, India 1979 - 1984 Bachelor of Technology, Mechanical Engineering Regional Engineering College Calicut, India Research Interests Microscale Heat Transfer Heat Pipes and Micro Heat Pipes Computational Fluid Dynamics and Heat Transfer Optical Measurements in Heat and Fluid Flow Experience Present Assistant Professor National Institute of Technology Calicut, India Teaching, Funded Research and Thesis Supervision in Thermal Science area. Coordinator of Center for Nanotechnology 2003 - 2004 Visiting Assistant Professor Rensselaer Polytechnic Institute Troy, NY U.S.A. Heat Pipe and Micro Heat Pipe Modeling 1999 - 2000 Visiting Scholar Purdue University W. Lafayette, IN U.S.A. Computational studies on Heat Pipes, Microscale Heat Transfer 1999 Post Doctoral Fellow University of Wisconsin Milwaukee, WI U.S.A. Computational studies on Heat Pipes, Microscale Heat Transfer 1997 - 1999 Nanyang Technological University Singapore Modeling and Testing of Micro Heat Pipes International Journal Papers K.N. Seetharamu and C.B. Sobhan, Direct Contact Evaporation of Refrigerent 113 in Distilled water, Heat and Mass Transfer in Refrigeration and Cryogenics, Hemisphere Publ. Corp., 1986. C.B. Sobhan, S.P. Venkateshan and K.N. Seetharamu, Experimental Analysis of Unsteady Free Convection Heat Transfer From Horizontal Fin Arrays, Waerme und Stoffuebertragung, Springer Verlag, 24, pp. 155-160, 1989. C.B. Sobhan, S.P. Venkateshan and K.N. Seetharamu, Experimental Studies on Steady Free Convection Heat Transfer from Horizontal Rectangular Fin Arrays, Waerme und Stoffuebertragung, Springer Verlag, 25, pp. 345-352, 1990. V.Rammohan Rao, C.B. Sobhan and S.P. Venkateshan, Differential Interferometry in Heat Transfer, Sadhana, Academy Proceedings in Heat Transfer, Indian Academy of sciences (Invited paper),Vol.15, part 2, pp. 105-128, 1990. C.B. Sobhan, K.T. Mohammed Kutty, M. Hannan and P. Krishtaiah, Experimental Investigations on a 1-2 Heat Exchanger with Wire Wound Tubes, Waerme und Stoffuebertragung, Springer Verlag, 29, pp. 211-217, 1994. K.S. Sujatha and C.B. Sobhan, Experimental Studies on Natural Convection Heat Transfer from Horizontal Fin Arrays, Jl. Energy, Heat and Mass Transfer, Regional Centre for Energy, Heat and Mass Transfer for Asia and the Pacific, 18, pp. 1-7, 1996. S. Sunil, J.R.N. Reddy and C.B. Sobhan, Natural Convection Heat Transfer from a Thin Rectangular Fin with a Line Source at the Base - A Finite Difference Solution, Heat and Mass Transfer, Springer Verlag, 31, pp. 127-135, 1996. C.B. Sobhan, Huang Xiaoyang and Liu Chang Yu, Investigations on transient and steady state performance of a micro heat pipe, AIAA Journal of Thermophysics and Heat Transfer,14, pp. 161-169, 2000. S.V. Garimella and C.B. Sobhan, Recent Advances in the Modeling and Applications of Nonconventional Heat Pipes, Advances in Heat Transfer, (Academic Press) Vol. 35, pp. 249-308, 2001. C.B. Sobhan and S.V. Garimella, A Comparative Analysis of Studies on Heat Transfer and Fluid Flow in Microchannels, Microscale Thermophysical Engineering,(Taylor and Francis) Vol. 5, pp. 291-309, 2001. S.V. Garimella and C.B. Sobhan, Transport in Microchannels - A Critical Review, Annual Review of Heat Transfer, Vol. 13, pp. 1-50, 2003. G.P. Peterson and C.B. Sobhan, Applications of Microscale Phase Change Heat Transfer: Micro Heat Pipes and Micro Heat Spreaders, Handbook of Microelectromechanical Systems, CRC Press Inc., USA, 2005 (in print). Gerardo Carbajal, C.B. Sobhan and G.P. Peterson, Dimensionless Governing Equations for Vapor and Liquid Flow Analysis of Heat Pipes, AIAA Journal of Thermophysics and Heat Transfer (2005) International Conference Papers C.B. Sobhan, S.P. Venkateshan and K.N. Seetharamu, Differential Interferometric studies on Natural Convection Heat Transfer from Horizontal Rectangular Fin Arrays, Paper No.2-NC-09, Proc. 9th International Heat and Mass Transfer Conference, Jerusalem, Israel, Vol.2, General Papers, pp. 211-216, 1990. K. Remesh, C.B. Sobhan and R. Vijayakumar, Computational Modelling of Vapour Phase Parallel Reacting Flow, 10th International Conference on Numerical Methods in Thermal Problems, Swansea, UK, pp. 238-248, 1997. V.V. Unnikrishnan and C.B. Sobhan, Finite Difference Analysis of the Transient Performance of a Flat Heat Pipe, 10th International Conference on Numerical Methods in Thermal Problems, Swansea, UK, 1997. Z.N. Ma, C.B. Sobhan, X.Y. Huang and T.N. Wong, Experimental investigations on a closed mini Thermosyphon, 2nd IEEE/CPMT Electronic Packaging Conference, Singapore, pp. 147-152, 1998. C.B. Sobhan, Huang Xiaoyang and Liu Chang Yu, Finite difference analysis of vapor and liquid flow in a micro heat pipe channel, 2nd International symposium on two phase flow modeling and experimentation, Pisa, Italy, 1999. S.V.Nagaraja Venkanna, C.B. Sobhan and K.P. Ravindran, Analysis and optimization of a long horizontal rectangular fin array in laminar natural convection: A Genetic Algorithm approach, 34th National Heat Transfer Conference, ASME, Pittsburg, USA, 2000. C.B. Sobhan, V.V. Unnikrishnan and S.V. Garimella, A Computational Model for the Transient Analysis of Flat Plate Heat Pipes, Procs. Inter Society Conference on Thermal and Thermomechanical Phenomena in Electronic Systems - ITHERM 2000, Las Vegas, Nevada, May 23-26, pp. 106-113, 2000. Unni Vadakkan, C.B. Sobhan and S.V.Garimella, Characterization of the Performance of Flat Heat Pipes for Electronics Cooling, Packaging of Electronic and Photonic Devices, IMECE 2000, Orlando, Florida, November 5-10, EEP-Vol. 28, pp. 261-268, 2000. C.B. Sobhan and S.V. Garimella, A Comparative Analysis of Studies on Heat Transfer and Fluid Flow in Microchannels, Heat Transfer and Transport Phenomena in Microsystems, Banff, Canada, October 15-20, pp. 80-92, 2000. C.B. Sobhan and J. Solomon, Flow transitions and Convective Heat Transfer in Single Phase Flow Through Mini Channels, 6th ASME-JSME Thermal Engineering Joint Conference, Hawaii, 2003. C.B. Sobhan and G.P. Bud Peterson, Modeling of the Flow and Heat transfer in Micro Heat Pipes, 2nd International Conference on Microchannels and Mini Channels, Rochester, NY, USA, 2004. J. Solomon and C.B. Sobhan, Experimental Investigations on Fluid Flow and Heat Transfer through Rectangular Mini Channels, ASME Fluids Engineering Summer Conference, Houston, TX, USA, June 2005.

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