Topology Optimization of Manifold Microchannel Heat Sinks

2020 ◽  
Author(s):  
Yuqing Zhou ◽  
Tsuyoshi Nomura ◽  
Ercan M. Dede
Keyword(s):  
Topology Optimization ◽  
Heat Sinks ◽  
Microchannel Heat Sinks ◽  
Manifold Microchannel

Liquid Metal Flows in Manifold Microchannel Heat Sinks

2014 ◽  
Author(s):  
Haibao Hu ◽  
Sarada Kuravi ◽  
Feng Ren ◽  
Pei-feng Hsu
Keyword(s):  
Heat Transfer ◽  
Liquid Metal ◽  
Three Dimensional ◽  
Heat Sinks ◽  
Performance Factor ◽  
Microchannel Heat Sinks ◽  
Flux Boundary Conditions ◽  
And Performance ◽  
The Heat Transfer Coefficient ◽  
Manifold Microchannel

Heat transfer and flow performance of water and galinstan in manifold microchannel heat sinks is analyzed. The three dimensional flow and conjugate heat transfer is numerically simulated for microchannels of two different hydraulic diameters. The heat transfer coefficient, wall temperature variation at the base, and performance factor were analyzed for the same inlet velocity, Reynolds number and pressure drop conditions for water and liquid metal for different heat flux boundary conditions. Due to the short length of microchannels, it was found that performance factor of liquid metal is larger compared to water for all the cases.

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