Detailed atmospheric ice accretion surface measurement using micro‐computed tomography,Atmospheric Science Letters

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Detailed atmospheric ice accretion surface measurement using micro‐computed tomography
Atmospheric Science Letters ( IF 2.0 ) Pub Date : 2020-06-04 , DOI: 10.1002/asl.997
Juan S. Velandia ₁ , Stephan E. Bansmer ₁

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Surfaces exposed to atmospheric cold temperature and humid environments are prone to ice accretion. Airplanes, electrical power transmission cables, and wind turbines are typical examples for which icing has to be considered. The measurement of the resulting ice shapes is a challenging process. While macroscopic characteristics of the ice geometry can be observed using photography and optical scanning techniques, microscopic measurements are difficult to conduct because grooved surface partially occludes the geometry of chasms. To overcome this optical inaccessibility, we propose a method to carry out detailed high-resolution measurements of the accretion surface with microcomputed tomography. This approach provides a unique visualization of the empty spaces in the feather region. The information obtained by this technique can improve the understanding of ice accretion physics and its computational modeling.

中文翻译：

使用微型计算机断层扫描对大气积冰表面进行详细测量

暴露于大气寒冷温度和潮湿环境的表面容易结冰。飞机、电力传输电缆和风力涡轮机是必须考虑结冰的典型示例。由此产生的冰形状的测量是一个具有挑战性的过程。虽然可以使用摄影和光学扫描技术观察冰几何的宏观特征，但由于凹槽表面部分遮挡了裂缝的几何形状，因此难以进行微观测量。为了克服这种光学不可达性，我们提出了一种使用微计算机断层扫描对吸积表面进行详细高分辨率测量的方法。这种方法提供了羽毛区域中空白空间的独特可视化。

更新日期：2020-06-04

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