通过caputo-fabrizio积分模拟平行板之间的MHD自然对流流量的时间分数建模
1Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), 11623, Riyadh, Saudi Arabia. kmaali470@gmail.com.
Scientific reports
|December 9, 2025
概括
本研究使用分数顺序模型探索垂直板之间的流体流动. 较高的分数参数可以通过记忆效应来提高热保持和流体速度.
科学领域:
- 热力学是一种热力学.
- 流体动力学 流体动力学
- 磁动力学 磁动力学
背景情况:
- 经典的富里埃热传导定律有其局限性.
- 了解电导流体中的依赖时间的自然对流是至关重要的.
研究的目的:
- 开发和分析自然对流的分数顺序模型.
- 为了研究磁动力学对在依赖时间的热条件下的流体行为的影响.
- 探索分数动力学对传热和流体速度的影响.
主要方法:
- 开发了一个使用卡普托-法布里齐奥分数积分来概括里埃定律的分数顺序模型.
- 使用拉普拉斯变换和基于正弦的富里埃分析,获得了分析解决方案.
- 一般化的G函数被用来建模分数动态.
- 使用Mathcad进行分析,2D轮图可视化温度分布.
主要成果:
- 分数顺序显著影响热量保留和流体速度.
- 分析了磁动力学效应,格拉斯霍夫数和热源/散热器术语.
- 升高的分数参数值可以增强热的保留和流体的速度.
- 与微积分计算相关的"记忆效应"起着关键作用.
结论:
- 开发的分数顺序模型为热传递分析提供了通用的方法.
- 分数计算为模拟复杂的热现象提供了一个强大的工具.
- 分数动态中的记忆效应对于理解增强的热和流体传输至关重要.
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