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诱导磁场对卡罗纳米流体流动和在拉伸气周围的热传输的影响:比较分析
D Krishnakanth1, P Lakshminarayana2
1Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
Discover nano
|February 9, 2026
概括
三级混合纳米流体可以提高发动机效率和能源生产. 与传统纳米流体相比,这些先进的流体表现出优越的传热和流体运动,有利于各种工程应用.
科学领域:
- *纳米流体动力学和热传递.
- *计算流体动力学 (CFD) 和热工程.
- * 材料科学和部落学.
背景情况:
- *三元混合纳米流体 (机油中的氧化,铜,二硫化) 对于提高发动机效率,太阳能热能生产和减少摩擦至关重要.
- *了解这些纳米流体在各种条件下的流量和传热特性对于优化它们的应用至关重要.
研究的目的:
- * 为了比较分析卡罗纳米流体在垂直和倾斜拉伸气上的传热和磁场特性.
- * 调查热辐射,粘性消散和停滞点流动对纳米流体行为的影响.
- * 评估三元混合纳米流体与传统纳米流体的性能.
主要方法:
- * 基于动量,磁感应和能量原理的调节方程的制定.
- * 将部分微分方程转换为非线性普通微分方程.
- * 在 MATLAB 中使用 bvp4c 解析器进行数值解析.
主要成果:
- * 热源/散热器,磁场,热辐射,埃克尔特数和比奥特数显著增强热传递.
- *与传统纳米流体相比,三元混合纳米流体表现出优越的传热和流体运动能力.
- * 计算了皮肤摩擦和局部努塞尔特数,并将它们与垂直和倾斜的圆柱相比较.
结论:
- *三元混合纳米流体在热传递和流体动力学方面比传统纳米流体具有显著的优势.
- * 该研究为优化纳米流体性能在发动机冷却和太阳能热系统等应用中提供了宝贵的见解.
- * 几何方向 (垂直与倾斜的气) 影响热传递和流体流动特性.
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