在混合纳米流体中探索双解决方案和导热性:对徐和汉密尔顿-克罗斯尔模型进行比较研究
Mahnoor Sarfraz1, Muhammad Yasir1, Masood Khan1
1Department of Mathematics, Quaid-i-Azam University Islamabad 44000 Pakistan myasir@math.qau.edu.pk.
Nanoscale advances
|November 29, 2023
概括
混合纳米流体在太阳能系统等应用中增强热传递. 汉密尔顿-克罗斯尔模型显示,与模型相比,热导率优越,磁场和磁盘收缩改善了能量传输.
科学领域:
- 热传递增强 热传递增强
- 纳米流体的应用
- 热导电性建模的热导电性建模
背景情况:
- 混合纳米流体提供卓越的热稳定性和热传输性能.
- 应用包括太阳能热系统,汽车冷却,散热器和热能储存.
- 基于甲醇的混合纳米流体正在研究增强热性能.
研究的目的:
- 分析混合纳米流体在透性磁盘上的传热特性.
- 为了比较和汉密尔顿-克罗斯尔模型的导热率.
- 为了研究磁场,欧姆加热和热辐射的影响.
主要方法:
- 使用相似性转换推导的管理方程.
- 使用bvp4c有限差方法进行数值解法.
- 对热增量/热损失模拟的对流边界条件的分析.
主要成果:
- 磁场和磁盘收缩会增加能量传输速率和墙壁应力.
- 增加墙壁传输约束增加皮肤摩擦和热分布.
- 流体流动和能量传输随着墙壁传输的增加而减少.
- 汉密尔顿-克罗斯尔模型证明了由于粒子聚类和纳米层形成的优越导热性.
结论:
- 混合纳米流体,特别是使用汉密尔顿-克罗斯尔模型,显示出先进热传输的巨大潜力.
- 磁场和磁盘透性等流量控制参数极大地影响热性能.
- 了解纳米流体的行为对于优化热管理系统至关重要.
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