Visualization of Flow Boiling Experiments on Micro/Nanoscale Structured Surfaces in Microchannel

Wei Li; Junye Li; Kan Zhou; Hua Zhu; Zhengjiang Zhang; Jincai Du

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Visualization of Flow Boiling Experiments on Micro/Nanoscale Structured Surfaces in Microchannel

机译：微通道中微/纳米尺度结构表面上的流沸实验的可视化

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In this short paper, the method of analyzing microchannel flow boiling phenomena by the image processing tool was briefly introduced. The experiments of subcooled and saturated flow boiling on various micro-/nanostructured modified surfaces were carried out. The high-speed images obtained from the experiments were taken as examples. Nucleated bubbles, partial dry out patches, and liquid-vapor interfaces could be recognized and quantified by the image processing tool. The transient statistical parameters of the region of interest (ROI) could be further obtained, such as the sequential equivalent diameter of bubbles and sequential area size as well as its spreading rate of dryout patches. The image processing tool was a valuable option to investigate microchannel flow boiling phenomena.

机译：在本文中，简要介绍了通过图像处理工具分析微通道流沸腾现象的方法。进行了在各种微/纳米结构改性表面上沸腾的过冷和饱和流沸腾的实验。从实验中获得的高速图像作为实施例。可以通过图像处理工具识别和量化核心的气泡，部分干燥贴片和液体蒸汽接口。可以进一步获得感兴趣区域（ROI）的瞬态统计参数，例如气泡和顺序面积大小的顺序等效直径以及其干燥贴片的扩散速率。图像处理工具是调查微通道流沸腾现象的有价值的选择。

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来源
《Journal of Heat Transfer》 |2021年第4期|044503.1-044503.2|共2页
作者
Wei Li; Junye Li; Kan Zhou; Hua Zhu; Zhengjiang Zhang; Jincai Du;
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作者单位

Department of Energy Engineering Zhejiang University Hangzhou Zhejiang 310027 China;

Department of Energy Engineering Zhejiang University Hangzhou Zhejiang 310027 China;

Department of Energy Engineering Zhejiang University Hangzhou Zhejiang 310027 China;

Department of Energy Engineering Zhejiang University Hangzhou Zhejiang 310027 China;

Department of Energy Engineering Zhejiang University Hangzhou Zhejiang 310027 China;

Department of Energy Engineering Zhejiang University Hangzhou Zhejiang 310027 China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
microchannel; flow boiling; image processing tool;

机译：微通道;流沸腾;图像处理工具;

Visualization of Flow Boiling Experiments on Micro/Nanoscale Structured Surfaces in Microchannel

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