数值处理和全球误差估计对于热电透对非牛顿纳米流体流动的影响,具有时间周期变化
O S Ahmed1, N T Eldabe2, M Y Abou-Zeid2
1Department of Mathematics and Computer Science, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt. drOla.Sayed@science.bsu.edu.eg.
Scientific reports
|September 8, 2023
概括
时间周期变化显著影响MHD Eyring-Powell纳米流体中的混合对流热传递. 增加的电透参数提高了流体速度,而热辐射降低了温度和纳米粒子度.
科学领域:
- 流体动力学 流体动力学
- 热传递热量转移的方法
- 纳米技术纳米技术
背景情况:
- 混合对流传热传输在各种工业应用中至关重要.
- 与传统流体相比,纳米流体提供了增强的热性能.
- 磁动力学 (MHD) 和多孔介质影响流体流动和传热特性.
研究的目的:
- 调查时间周期变化对MHD Eyring-Powell纳米流体混合对流热传输的影响.
- 分析诸如粘散,欧米散,电透,热源,热辐射,杜福效应和化学反应等参数的影响.
- 探索无限垂直板上的非达西多孔介质中的流体流动和热传递.
主要方法:
- 支配部分微分方程被转化为非线性代数方程.
- 用明确的有限差异方法来解决方程.
- 进行了数值计算,以获得速度,温度和纳米粒子度分布.
主要成果:
- 流体的速度随着海尔姆霍尔茨-斯莫洛霍夫斯基速度和电度参数的增加而增加.
- 热辐射参数降低了温度和纳米粒子度.
- 皮肤摩擦系数,减少的努塞尔特数和谢尔伍德数被计算为各种物理参数.
结论:
- 这项研究为纳米流体传热过程中各种物理参数的复杂相互作用提供了宝贵的见解.
- 这些发现对癌症瘤治疗和药物输送系统等医疗应用有重大意义.
- 在样本分离和DNA分析中的应用中,电流控制和增强的质量传输得到了突出突出.
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