降膜在倾斜加热箔上的时空分辨传热测量

2019/12/02   下载量： 0 次

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应用领域 能源/新能源
检测样本 其他
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采用LaVision的在液体中的激光诱导荧光测量系统FluidMaster进行了降膜在倾斜加热箔上的时间分辨浓度和温度分布测量，获得了时空分辨传热数据。

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Measurements of unsteady and conjugate heat transfer were carried out in harmonically forced, gravity-driven liquid films flowing over a resistively heated inclined titanium foil, by simultaneous application of planar laser-induced fluorescence (PLIF) imaging and infrared (IR) thermography (Mathie & Markides, 2013; Mathie, Nakamura & Markides, 2013; Markides, Mathie & Charogiannis, 2016).
Quantitative, spatiotemporally resolved and simultaneously conducted measurements are reported for the local and instantaneous film-height, film free-surface temperature, liquid-solid interface temperature, wall heat-flux, and finally the local and instantaneous heat transfer coefficient (HTC).
This research effort was motivated by the strong demand for spatiotemporally resolved heat-transfer data in planar falling films, which can be harnessed to further our understanding of the underlying heat-transfer mechanisms, facilitate the development and validation of advanced modelling tools and, ultimately, improve the performance and reduce the cost of equipment.

上一篇 在一个双稳湍流涡旋火焰中，对间歇性动态的时间-频率定位
下一篇 结构化平面激光诱导荧光(S-PLIF)用于准确识别多相流中的界面

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北京欧兰科技发展有限公司
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