计算高效的热性能Go + AA7072与基于机油的混合纳米流体运输在里加曲线的运输
Asmat Ullah Yahya1, Sayed M Eldin2, Suleman H Alfalqui3
1Department of Mathematics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Pakistan.
Heliyon
|July 24, 2023
概括
这项研究探讨了混合纳米流体用于传热,发现发动机油中的石墨烯氧化物增强了热传输. 混合纳米流体比单一纳米流体显示更高的温度,但速度较慢.
科学领域:
- 热传递热量转移的方法
- 流体动力学 流体动力学
- 材料科学 材料科学 材料科学
背景情况:
- 机械系统中对高效热传输的需求日益增加.
- 介绍混合纳米流体乳液作为一种新的概念.
- 石墨烯氧化物 (GO) 和发动机油作为纳米流体制备的基液.
研究的目的:
- 研究石墨烯氧化物 (GO) 混合纳米流体在发动机油中的质量和热传输.
- 将混合纳米流体 (GO/发动机油) 与简单纳米流体 (GO/发动机油) 的性能进行比较.
- 分析各种参数对流体流动和传热特性的影响.
主要方法:
- 在发动机油中均溶解的氧化石墨烯混合纳米流体的配方.
- 基于保存原理 (质量,动量,能量) 的部分微分方程的数学建模.
- 使用Runge-Kutta方法与Matlab平台上的射击技术进行数值模拟.
主要成果:
- 流体流动随着修改的哈特曼数的增加而加速,但随着温伯格数的增加而减速.
- 流体温度随着纳米实体度的增加而增加.
- 与单一纳米流体相比,混合纳米流体的速度较慢,但温度分布较高.
结论:
- 混合纳米流体,特别是发动机油中的石墨烯氧化物,提供了增强的热传输特性.
- 该研究提供了有关混合纳米流体在特定流量条件下的行为 (拉伸,里加表面) 的见解.
- 了解这些传输现象对于优化机械过程中的热管理至关重要.
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