离子纳米流体通过三角槽微通道散热器流动:热升高
I Zahan1, R Nasrin1, Salma Jahan1
1Department of Mathematics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh.
Heliyon
|August 28, 2023
概括
这项研究探讨了微通道散热器 (MCHS) 中的离子流体性能. 在以离子液体为基础的流体中,石墨烯和碳纳米管的度较高,可显著增强用于电子冷却的热传递.
科学领域:
- 热管理 热管理
- 纳米流体 纳米流体
- 微流体学 微流体学
背景情况:
- 有效的热传输对于电子设备至关重要.
- 微通道散热器 (MCHS) 对于液体冷却至关重要.
- 离子纳米流体为冷却应用提供了卓越的热稳定性和安全性.
研究的目的:
- 在三角槽MCHS中研究离子纳米流体的热和速度特性.
- 评估混合纳米粒子 (石墨烯和SWCNT) 和基液组成对传热的影响.
- 分析性能指标,包括热传输速率,压力下降和热效率.
主要方法:
- 使用有限元法 (FEM) 进行数值调查.
- 使用了离子液体 (IL) [C4mim]NTf2和二醇 (PG) 的基液.
- 嵌入式混合纳米粒子:不同比例和度的石墨烯 (G) 和单壁碳纳米管 (SWCNT).
主要成果:
- 具有最高纳米粒子度的基于离子液体的离子纳米流体显示出优异的热传输速率.
- 强迫对流的增加 (雷诺德数) 显著提高了MCHS的热效率.
- 导出了两个具有高相关系数的线性回归方程,以建模观察到的现象.
结论:
- 离子纳米流体,特别是那些以混合纳米粒子为基础的离子液体,对于MCHS应用非常有效.
- 优化纳米粒子度和流量条件可以最大限度地提高热性能.
- 该研究为微通道冷却系统中的离子纳流体行为提供了有价值的预测模型.
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