NUMERICAL COMPUTATION OF FLUID FLOW AND HEAT TRANSFER IN A MEMS-BASED MICRO CHANNEL HEAT SINK | Zendy

Md Farhad Ismail | Zendy; Moshiur Rashid | Zendy; M. Mahbub | Zendy

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NUMERICAL COMPUTATION OF FLUID FLOW AND HEAT TRANSFER IN A MEMS-BASED MICRO CHANNEL HEAT SINK

Author(s) -

Md Farhad Ismail,

Moshiur Rashid,

M. Mahbub

Publication year - 2012

Publication title -

frontiers in heat and mass transfer

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 18

ISSN - 2151-8629

DOI - 10.5098/hmt.v3.3.3002

Subject(s) - thermal fluids , heat sink , heat transfer , thermal science , frontier , fluid dynamics , heat transfer fluid , computation , thermal , mechanical engineering , microelectromechanical systems , channel (broadcasting) , thermal engineering , materials science , mechanics , petroleum engineering , environmental science , computer science , engineering , thermodynamics , critical heat flux , telecommunications , political science , thermal resistance , nanotechnology , physics , heat transfer coefficient , algorithm , law

Carbon nanotube (CNT) has been proven to be an effective material for the thermal management of MEMS-based devices due to its superior thermal conductivity. At the same time, micro-channel heat-sinks are widely used in electronic products as a high performance heat transfer device because of its simple construction, easy fabrication process and effective heat removal capability. A numerical study has been carried out to investigate the thermal-fluid characteristics of the aligned and staggered MWCNT (multi walled CNT) based micro pin fins having 650 µm long with hydraulic diameter of ~130 µm. Average heat transfer coefficients have been obtained for effective heat fluxes ranging from 50 to 130 W and Reynolds numbers from 14 to 160. The influence of various fluids, fluid velocity; fluid conductivity, fin material, fin conductivity, fin geometry and fin orientations on cooling effects have also been investigated and compared in this study.

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