| 标题 |
U 型平板微热管 LED 散热器散热性能分析
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| 其它 | Light-emitting diode (LED) lighting has been increasingly prominent in the global market in recent years, due to the high luminous efficiency. Generally, the integrated LEDs products can inevitably generate a lot of heat, leading to the extremely high local temperature. However, LED cooling heat pipes in practical applications often face some challenges, such as insufficient contact thermal resistance and heat transfer area. In this study, a heat sink was designed to transfer the heat inside the LED out in time for the long life of the products. Micro heat pipe array (MPHA) was used to explore the impact of the structure on heat dissipation performance using computational fluid dynamics (CFD) software. Two models were established to compare with the experiment. The results show that the maximum error between the simulated and experimental values reached 39.62% at 0.5 m/s. Among them, the simulated value under forced convection was in good agreement with the experimental val |
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