波纹板薄膜流体共振现象的数值及实验研究(英文)
发布时间:2021-10-07 22:04
目的:探究薄膜流体共振现象的内在机理。创新点:1.提出薄膜流体共振区的概念。2.提出共振现象与雷诺数的范围有关、而不是与某一特定的雷诺数有关的观点。方法:1.使用有限体积法对薄膜流进行数值模拟计算。2.为了验证模拟的准确性,运用粒子图像测速法进行实验测量。结论:1.薄膜流体共振可以使自由表面的振荡最大化。2.共振现象与雷诺数的范围有关,而不是与特定的雷诺数有关。3.在共振区域中,薄膜表面的振动增强,底部涡流被抑制,并且这些都有利于传热传质效率的提高。
【文章来源】:Journal of Zhejiang University-Science A(Applied Physics & Engineering). 2019,20(02)EISCICSCD
【文章页数】:15 页
【文章目录】:
1 Introduction
2 Numerical model and experimental setup
2.1 Modeling
2.2 Experimental setup
3 Results and discussion
3.1 Flow fields analysis
3.2 Bottom eddies and resonance section
3.3 Free surface amplitude
3.4 Average thickness of the liquid film
3.5 Velocity distribution in resonance section
3.5.1 Velocity vectors at the resonance point
3.5.2 Velocity distribution of free surface
3.5.3 Velocity distribution on a profile
4 Conclusions
【参考文献】:
期刊论文
[1]逆向气流对薄膜流动特性影响研究[J]. 吴思其,蔡来,袁美晨,洪伟荣. 化学工程. 2016(12)
本文编号:3422859
【文章来源】:Journal of Zhejiang University-Science A(Applied Physics & Engineering). 2019,20(02)EISCICSCD
【文章页数】:15 页
【文章目录】:
1 Introduction
2 Numerical model and experimental setup
2.1 Modeling
2.2 Experimental setup
3 Results and discussion
3.1 Flow fields analysis
3.2 Bottom eddies and resonance section
3.3 Free surface amplitude
3.4 Average thickness of the liquid film
3.5 Velocity distribution in resonance section
3.5.1 Velocity vectors at the resonance point
3.5.2 Velocity distribution of free surface
3.5.3 Velocity distribution on a profile
4 Conclusions
【参考文献】:
期刊论文
[1]逆向气流对薄膜流动特性影响研究[J]. 吴思其,蔡来,袁美晨,洪伟荣. 化学工程. 2016(12)
本文编号:3422859
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