两相模拟的优化混合对流流两个不同的剪切薄化纳米材料的热和质量扩散系统与洛伦茨力
S Suresha1, Umair Khan2,3,4, D O Soumya5
1Department of Physics, Government First Grade College, Santhebennur, 577552, India.
Scientific reports
|January 4, 2024
概括
这项研究在微通道中比较了两个剪切稀释纳米流体. 威廉姆森纳米流体显示出更高的热能和度,而高波接纳米流体提供更好的速度.
科学领域:
- 流体动力学 流体动力学
- 纳米技术纳米技术
- 热传递热量转移的方法
背景情况:
- 微通道散热器对于电子冷却至关重要.
- 了解混合对流下的纳米流体行为对于热管理至关重要.
- 非线性热辐射和可变导热率显著影响微流体系统.
研究的目的:
- 为了比较超标触点和威廉姆森纳米流体的性能.
- 在一个角度微通道中分析动量,热能,质量扩散和生成.
- 为了研究混合对流,非线性热辐射,温度跳跃和可变导热的作用.
主要方法:
- 使用了布昂吉奥诺非线性治理模型.
- 在数值解决方案中采用[公式:查看文本]方法.
- 展示了图形插图和参数效应的解释.
主要成果:
- 与威廉姆森纳米流体相比,高压触角纳米流体表现出更高的速度.
- 威廉姆森纳米流体显示出更高的热能和度.
- 增加的格拉斯霍夫数量提高了流体流速;温度跳跃减少了纳米液体能量;可变的导热率提高了能量,并最大限度地提高了不可逆性.
结论:
- 纳米流体选择影响微通道性能.
- 参数变化显著改变了流量,能量,度和生成.
- 优化像导热率这样的参数是管理不可逆性的关键.
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