THERMAL ANALYSIS OF HEAT TRANSFER ENHANCEMENT OF RIB HEAT SINK FOR CPU | Zendy

Yang Tian | Zendy; Ming Zhao | Zendy

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THERMAL ANALYSIS OF HEAT TRANSFER ENHANCEMENT OF RIB HEAT SINK FOR CPU

Author(s) -

Yang Tian,

Ming Zhao

Publication year - 2019

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.13.4

Subject(s) - thermal fluids , heat sink , heat transfer , frontier , thermal , materials science , thermal engineering , mechanical engineering , nuclear engineering , engineering physics , environmental science , thermodynamics , engineering , political science , thermal resistance , physics , law

The field synergy principle and thermal resistance analysis were carried out for the heat transfer enhancement of a chip heat sink. Thermal analysis of the heat dissipation capacity is applied for setting up the gallery on the rib, changing the fan ventilation diameter, and changing the rib height. The results show that the analysis of field synergy principle agrees well with that of the thermal analysis, and setting up a gallery on the rib can improve the heat capacity of the heat sink. Meanwhile, the results also show that decreasing diameter of the ventilation causes heat capacity dropping because the reverse flow area increases and the air flow rate reduces. Furthermore, the rib height plays an important role in the flow path geometry, and it has a significant effect on the convective heat transfer coefficient.

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