一个梯形肋骨和风扇槽微通道散热器的实验和数值研究
Lufan Jin1,2,3, Junchao Wang4, Yixun Cai4
1College of Optoelectronic Manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou 325003, China.
Micromachines
|June 27, 2024
概括
一个新的微通道散热器,带有梯形肋骨和风扇道,提供卓越的冷却性能. 与传统的矩形设计相比,这种设计显著降低了温度,并改善了散热.
科学领域:
- 热力工程是热力工程中的一个.
- 流体动力学 流体动力学
- 材料科学 材料科学 材料科学
背景情况:
- 微通道散热器对于各种电子设备的热管理至关重要.
- 优化热传递和最小化微通道中的温度升高仍然是一个重大挑战.
- 现有的设计往往面临效率和均温度分布的局限性.
研究的目的:
- 提出和评估一种新型的微通道散热器 (TFMCHS),具有梯形肋骨和风扇槽.
- 为了研究使用选择性激光炼制造的TFMCHS的热液压性能.
- 为了比较TFMCHS与传统的矩形微通道散热器 (RMCHS) 的性能.
主要方法:
- 在不同功率水平下对温度和压力下降的实验测量.
- 数字模拟用于分析微通道内的复杂流动特征.
- 使用热增强系数对综合性能进行评估.
主要成果:
- 与RMCHS相比,TFMCHS显示平均和最高温度明显降低.
- 在TFMCHS中观察到更均的温度分布.
- 增强的TFMCHS散热性能随着加热功率的增加而增加.
- 在P=33W时,获得了1.26的热增强系数,入口流量为32.5mL/分钟.
结论:
- 新型TFMCHS设计有效地通过中断和重新开发边界层来增强散热.
- 选择性激光化是一种可行的技术,用于制造这些先进的微通道散热器.
- 在高功率电子应用中,TFMCHS为高效的热管理提供了有前途的解决方案.
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