进口分离器结构对微通道热交换机的流量和热传输性能的影响
Wenchao Tian1,2, Yuanyuan Xi1, Shuaike Li3
1School of Electro-Mechanical Engineering, Xidian University, Xi'an 710071, China.
Micromachines
|February 27, 2026
概括
三进口微通道设计可提高电子冷却中的热传输和流量均性. 这种先进的配置大大降低了压力下降与单入口设计相比,改善了热管理.
科学领域:
- 热管理 热管理
- 流体动力学 流体动力学
- 微尺度工程 微尺度工程
背景情况:
- 微通道液体冷却为高热流电子产品提供高热传输效率.
- 之前的研究集中在散热器结构上,忽视了输入管对性能的多重影响.
研究的目的:
- 为了研究输入式分流器配置对微通道热传输和流量的影响.
- 为了比较单入口和三入口设计,以改善热管理.
主要方法:
- 设计和测试了具有单入口和三入口配置的微通道.
- 使用粒子图像速度测量 (PIV) 系统用于内部流场可视化.
- 分析了速度分布的均性和传热性能.
主要成果:
- 三进口配置显示出更均的流量分布和更低的芯片峰值温度.
- 通过三进口设计,热传递性能得到了改进.
- 与单入口设计相比,三入口设计的压力下降减少了11.1-26.6%.
- 较小的通道间距提高了传热效率.
结论:
- 在流量均性和热性能方面,三进口分流体设计优于微通道散热器.
- 优化输入配置对于高流量电子产品的有效热管理至关重要.
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