一项对上方凸起的麦克斯韦流体沿着一个透气的拉伸板的rheological属性的比较研究
Sara I Abdelsalam1,2, W Abbas3, Ahmed M Megahed4
1Instituto de Ciencias Matemáticas ICMAT, CSIC, UAM, UCM, UC3M, Madrid 28049, Spain.
Heliyon
|December 18, 2023
概括
这项研究分析了非牛顿式的马克斯韦流体在透性拉伸板上的流动,并结合了卡塔内奥-克里斯托夫热流模型. 结果显示,埃克尔特数和热辐射增强热传递,而热放松和滑动参数则反对它.
科学领域:
- 流体动力学 流体动力学
- 热传递是热传递的过程.
- 非牛顿流体力学 不牛顿流体力学
背景情况:
- 在多孔介质中研究流体流动和热传递现象.
- 考虑非牛顿流体行为的复杂性,特别是麦克斯韦流体.
- 解决了经典热流模型的局限性,通过使用卡塔内奥-克里斯托夫热流模型来进行短暂的热传递分析.
研究的目的:
- 分析非牛顿式麦克斯韦流体在多孔介质中的透性拉伸板上的流动.
- 将卡塔内奥-克里斯托夫热流模型纳入用于增强的热传递分析.
- 检查各种参数 (如磁场,热辐射,粘性消散和滑动条件) 对流体流动和热传输的影响.
主要方法:
- 流体流动和热传输的数学建模,包括指数式温度依赖粘度.
- 应用相似性转换来将支配部分微分方程转换为非线性普通微分方程.
- 使用射击方法对转换方程的数值解.
主要成果:
- 埃克尔特数和热辐射显著提高了传热率.
- 热放松参数和热滑动参数在传热方面表现出相反的效果.
- 粘性消散会影响流体的温度和粘度,在流动动力学中起着至关重要的作用.
结论:
- 这项研究为在特定条件下马克斯韦流体的传热特性提供了宝贵的见解.
- 这些发现与之前发表的结果进行了验证,证实了数值方法的准确性.
- 这项研究突出了不同物理参数对多孔介质热传递的相互影响.
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