Abstract
A single layer counter flow (SLCF) micro-channel heat sink using single phase water as coolant has been modeled by employing the finite element method (FEM). The thermal performance of SLCF micro-channel heat sink is compared with that of conventional single layer parallel flow (SLPF) micro-channel heat sink for different aspect ratios. It is observed that the SLCF micro-channel heat sink yields 18 % lower thermal resistance as compared to SLPF micro-channel heat sink. Also the SLCF micro-channel heat sink ensures better temperature uniformity in the stream-wise direction. The SLCF micro-channel heat sink is also studied for the case of non-uniform base heat flux and non-uniform flow distribution across the channels of the heat sink. Finally the SLCF and SLPF micro-channel heat sinks are optimized for minimum thermal resistance using Genetic Algorithms (GA) and Box optimization technique. It is observed that GA requires far less iteration time for optimization compared to Box optimization technique.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
