激活能量对 carreau 纳米流体在非线性拉伸表面上的流动的影响
Sardar Bilal1,2, Imtiaz Ali Shah1, Muqaddas Rashid1
1Department of Mathematics, Air University, Sector E-9, Islamabad, Pakistan.
Heliyon
|December 13, 2024
概括
这项研究探讨了卡罗流体在非线性表面的滑动流动上的激活能效,并结合了纳米粒子分散. 研究结果揭示了功率定律指数等参数如何影响流体速度和温度.
科学领域:
- 流体动力学 流体动力学
- 热传递是一种热传递.
- 纳米技术纳米技术
背景情况:
- 卡罗流体模型非牛顿流体行为.
- 热量和质量转移在许多工业过程中至关重要.
- 纳米粒子分散增强了流体的特性.
研究的目的:
- 调查激活能量在卡罗流体滑动流中的作用.
- 分析纳米粒子分散 (Buongiorno模型) 对热量和质量转移的影响.
- 检查流量参数对流体行为和表面特征的影响.
主要方法:
- 制定控制部分微分方程 (PDEs) 的公式.
- 将PDE转换为普通微分方程 (ODE).
- 使用Runge-Kutta集成和射击方法进行数值解决.
主要成果:
- 非线性指数 (n) 减小了n=0.5和n=1.5.5的速度场.
- 动量分布表现出与功率定律指数 (n) 相反的行为,对于一个固定的m.
- 流体温度随着功率定律指数的增加而下降,m=1.0和m=0.5.
结论:
- 激活能量在很大程度上决定了滑动流的特性.
- 纳米颗粒分散和热驱热效应会影响流体的行为.
- 这项研究提供了关于卡罗流体剪切薄化和剪切厚化方面的见解.
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