Abstract
The present study investigates the effect of temperature jump boundary condition on conjugate heat transfer in parallel plate micro channel heat sink. A new method for coupling equations between fluid and solid domains with temperature jump boundary condition is proposed and implemented in the open-source computational fluid dynamics package, OpenFOAM. The method and the code have been hydro-dynamically and thermally validated with data from previous studies. Both constant wall temperature and constant heat flux boundary conditions are considered. Impacts of effective parameters including Knudsen number and conductivity ratio on overall heat transfer characteristics of the heat sink have been discussed in detail. Results show that temperature jump has a significant effect on temperature field and heat transfer in heat sink.
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