Solar energy paper index
Effect of Flow Disturbance Geometry on Thermal Hydraulic Performance of Forced Air-Cooled Heat Sinks for CPU Cooling
One-line summary
A solar energy research paper on Effect of Flow Disturbance Geometry on Thermal Hydraulic Performance of Forced Air-Cooled Heat Sinks for CPU Cooling.
Engineering notes
Engineering notes will be added by the Power for Solar editorial team.
Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
The increasing thermal load in modern electronic devices necessitates efficient and reliable cooling strategies, particularly for air-cooled heat sinks in CPU applications. This study numerically investigates the effect of flow-disturbance geometry on the thermal–hydraulic performance of a forced air-cooled channel under constant heat flux. Three configurations—circular, square, and octagonal—were evaluated against a baseline using a validated CFD approach based on the RANS equations with the k–ω SST model, with a 7.65% deviation. The results show that geometric disturbances significantly influence temperature distribution and pressure drop. The octagonal model achieves the lowest excess temperature across airflow velocities of 1–2 m/s but produces the highest pressure drop, while the square model provides notable temperature reduction with moderate pressure loss by improving airflow uniformity and disrupting the thermal boundary layer. Overall, the square configuration offers the most optimal balance between heat transfer and energy efficiency.
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