Nitin P. Gulhane
Veermata Jijabai Technological Institute
India
Title: Analytical solution for laminar compressible fully-developed convection in microchannels with constant wall heat influx
Biography
Biography: Nitin P. Gulhane
Abstract
The present work investigates the influence of density variation on bulk mean temperature and Nusselt number (Nu) in laminar micro-convective flow. The fact that smaller diameter microchannels achieve more effective heat transfer rates for better cooling in micro-devices is supported by studying the variation of Nusselt number (Nu) in such micro-flows. One dimensional ordinary differential equations of motion with constant wall heat flux boundary condition are analytically solved for different diameters of microchannel and different wall heat flux taking density variation into account. The direct effect of change in diameter and wall heat flux on wall temperature as well as bulk mean temperature and its eventual effect on Nusselt number is studied separately.