在倾斜磁场的影响下,水平板之间挤压的达西-福克海默卡森纳米流体流动
M Asif Memon1, Dur-E-Shehwar Sagheer2, Mushrifah A S Al-Malki3
1Department of Mathematics and Social Sciences, Sukkur IBA University Sukkur 65200 Sindh Pakistan asif-memon@iba-suk.edu.pk.
Nanoscale advances
|December 7, 2023
概括
这项研究研究了磁动力学 (MHD) 卡森纳米流体流与达西-福克海默介质下的热量和质量传输. 研究结果显示,磁场对流体流动产生反向影响,而孔隙性和磁倾斜性则减少阻力和热传输.
科学领域:
- 流体动力学 流体动力学
- 热量和质量转移是热量和质量转移.
- 纳米技术纳米技术
背景情况:
- 磁动力学 (MHD) 和纳米流体运输在各种工业应用中至关重要.
- 了解多孔介质中的热量和质量传输现象对于优化流程至关重要.
- 卡森纳米流体表现出非牛顿行为,需要专门的建模.
研究的目的:
- 分析MHD卡森纳米流体流的热量和质量传输特性.
- 为了研究达西-福克海默介质和倾斜磁场的影响.
- 探索布朗运动,热泳和化学反应对流体流动的影响.
主要方法:
- 使用相似性转换,管理部分微分方程被转换为非线性普通微分方程.
- 采用了数字射击技术,结合了Runge-Kutta第四顺序和牛顿方法.
- 进行了参数研究,以分析各种物理参数的影响.
主要成果:
- 应用的磁场与流体流速呈现反向关系.
- 增加的孔隙性和磁倾向导致表面阻力 (Cf) 和努塞尔特数 (Nu) 的减少.
- 布朗扩散,粘度消散和热泳显著影响热量和质量转移速率.
结论:
- 这项研究提供了对控制纳米流体在多孔介质中的运输因素的复杂相互作用的有价值的见解.
- 数字模拟证实了磁场和多孔介质特性对流动动力学和热传递的显著影响.
- 这些发现可以指导设计和优化系统涉及纳米流体在多孔环境中的流动.
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