纳米流体的MHD混合对流和热线接近,位于具有多个固体的矩形波形外中
Fatin M Azizul1, Ammar I Alsabery2, Ishak Hashim3,4
1Department Mathematical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, UKM, 43600, Bangi, Selangor, Malaysia.
Scientific reports
|June 14, 2023
概括
高度的化物纳米流体增强了波纹壁腔中的热传递. 由高理查森数和两个壁波驱动的自然对流,对于传热机制来说是最有效的.
科学领域:
- 计算流体动力学 (CFD) 是一种计算流体动力学.
- 热传递热量转移的方法
- 纳米流体 纳米流体
背景情况:
- 带有波形壁的矩形腔体中的混合对流对于各种工程应用至关重要.
- 磁动力学 (MHD) 影响流体流动和热传递特性.
- 与基础流体相比,纳米流体提供了增强的热性能.
研究的目的:
- 在混合对流下研究热传递和流体流动在一个2D矩形腔中,其垂直墙壁有波浪.
- 分析纳米流体,倾斜的MHD和三重对传热的影响.
- 为了确定最佳的配置,增强热传输.
主要方法:
- 使用有限元法进行数值模拟.
- 解决了流体流动和热传输的指导方程.
- 分析参数包括理查森数,哈特曼数和墙壁波动.
主要成果:
- 增加的纳米流体度显著提高了传热率.
- 由高理查森数表示的自然对流是主要的传热机制.
- 垂直墙壁上的两个波浪优化了传热性能.
结论:
- 纳米流体可以改善传热,而不需要磁场.
- 通过高的理查森数和特定的波浪壁配置,可以实现最佳的传热.
- 该研究提供了利用纳米流体优化波纹壁腔中的热传递的见解.
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