MHD微极纳米流体的交叉扩散流经过一个滑动拉伸板
Xiyan Tian1,2, Bingbing Yang1,2, Xin Na3
1Key Laboratory of National Education Ministry for Electromagnetic Processing of Materials, POB 314, Northeastern University, Shenyang 110819, China.
Heliyon
|March 8, 2024
概括
这项研究从数值上研究了磁动力学 (MHD) 微极纳米流体在拉伸板上的流动. 研究结果显示,磁场和滑动条件抑制了流动,同时增加了温度和度.
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.
- 磁性水电动力学 (MHD) 是一个学科.
背景情况:
- 微极纳米流体表现出独特的热和磁性质,使它们在各种应用中具有重要意义.
- 了解这些流体的边界层行为对于优化热量和质量转移过程至关重要.
- 该研究的重点是拉伸板边界,这是材料加工和工程中的一个常见场景.
研究的目的:
- 通过数值研究磁动力学 (MHD) 微极纳米流体经过拉伸板的流量,热量和质量转移特征.
- 分析磁场,粘性消散,杜福和索雷特效应,微旋转和边界层上的滑动速度的合效应.
- 为了确定各种参数对当地Nusselt和Sherwood数的影响.
主要方法:
- 使用配位光谱法 (CSM) 与矩阵乘法开发和验证一个数值模型.
- 解决二维,无维,非线性部分控制方程.
- 纳入第一阶滑动速度条件和交叉扩散效应 (杜福和索雷).
主要成果:
- 磁场和滑动条件显著抑制流体流动,减少边界层的速度.
- 增加的滑动和磁性参数导致更高的温度和度.
- 材料参数对流动行为表现出相反的影响.
- 杜福和索雷特效应显著提高了温度和度,分别.
- 度边界层厚度随着滑动参数显著降低.
结论:
- 该研究提供了MHD微极纳米流体在各种影响因素下的行为的全面数值分析.
- 通过调整磁场强度,滑动条件和材料特性等参数,可以实现流量,热量和质量转移的最佳控制.
- 这些发现为设计和优化涉及微极纳米流体的系统提供了宝贵的见解.
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