Three-dimensional Lattice Boltzmann study on structure optimization and heat dissipation performance of pin-fin heat sink integrated with phase change material

Pan, Hanting; Liu, Xiaoming; Yang, Qinwen; Xu, Hongtao; Xu, Duo

doi:10.1016/j.est.2023.108233

Cited by 7 publications

(1 citation statement)

References 37 publications

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“…As far as the phase change material (PCM) heat sink with pin-n is concern, it is one of the cooling rate enhancing elements and is under investigation by the eminent researchers, worldwide. After conducting optimization research on triangular pin-n arrangements, the full melt time was shortened by 14.3% and the heat dissipation power was increased by up to 15.2%, when compared with the PCM heat sink with triangular pin-ns, H. Pan et al [11]. In the investigation of heat transfer performance for through-silicon via embedded in micro pin ns in 3D integrated chips, it is obtained by the W. He et al [12] that the best comprehensive heat transfer performance was achieved with an extended n angle of 30 degrees for the micro pin ns.…”

Section: Introductionmentioning

confidence: 99%

Computational model analysis on symmetrical aerofoil shaped pin fin arrays

Bhaumik

Dhanawade

2023

Preprint

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It is a computational model analysis on symmetrical aerofoil pin-fin arrays. The commercial ANSYS 2021 R2 computational tool has been utilized. There are four models prepared on symmetrical aerofoil pin-fin arrays. These four models are no perforated inline aerofoil pin-fin array, perforated inline aerofoil array, no perforated staggered aerofoil array and perforated staggered aerofoil array. The basic geometry, meshing and computational analysis has been created in the Workbench, ICEM and Fluent Discover tool, respectively. In the Fluent solver settings, the k-omega turbulent model has been selected. The Reynolds number implied from 5,000 to 50,000 with an incremental value of 5,000. Moreover, the temperature valve input from 27 to 350℃. The results show that at rising input airflow velocity increases Nusselt number. Out of all the four models the convective heat transfer rate in the perforated one is quite higher than no perforated one. In the staggered perforated aerofoil pin-fin obviously there is more material savings. Apart from that in the no perforated staggered aerofoil pin-fin the pressure drop is lesser and better streamline pressure drop maintained. As far as overall performance is concern the perforated staggered aerofoil pin-fin arrangement gives very promising results.

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Section: Introductionmentioning

confidence: 99%