Enhanced heat transfer by obstructions
By placing obstructions inside the micro-channel, convective heat transfer is intensified, yielding markedly better heat dissipation than a smooth micro-channel heat sink.
Han, Juliang · Guo, Guangming · Pu, Chen · Chen, Zhang
Case Studies in Thermal Engineering 2023
Only one-fourth the pumping power of longest-obstruction sink to meet thermal resistance of 0.033