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Following the drying process of Fevicol (adhesive) by dynamic speckle measurement

机译:通过动态散斑测量法对Fevicol(粘合剂)进行干燥处理

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This work presents the study of drying of Fevicol (adhesive) using dynamic laser speckle technique. Dynamic laser speckle analysis is a non-invasive method that does not disturb the drying process. A low power laser light illuminates the sample and corresponding speckle images of the sample resulting from the phenomenon of interference are registered. If the sample shows activity, the speckle pattern changes in time. Following this evolution, we can analyze the drying process by means of image processing algorithms. In this work, the application of dynamic speckle technique to follow the drying process of Fevicol with different drying times is presented. Results obtained using numerical methods of Inertia Moment and cross-correlation show that quantitative evaluation of spatial temporal speckle activities can be used to monitor Fevicol drying process. The approaches such as autocorrelation and speckle contrast using temporal correlation allowed differentiating different stages of drying. In addition, the techniques allowed their applicability to follow the slow streaming of Fevicol from the coin surface.
机译:这项工作提出了使用动态激光散斑技术干燥紫胶(粘合剂)的研究。动态激光散斑分析是一种无创方法,不会干扰干燥过程。低功率激光照射样品,并记录由干扰现象引起的样品相应的斑点图像。如果样本显示活动,则斑点图案会随时间变化。随着这一发展,我们可以通过图像处理算法来分析干燥过程。在这项工作中,提出了动态斑点技术在不同干燥时间下跟随Fevicol干燥过程的应用。使用惯性矩和互相关的数值方法获得的结果表明,空间时空散斑活动的定量评估可用于监测Fevicol干燥过程。诸如使用时间相关的自相关和斑点对比之类的方法可以区分干燥的不同阶段。另外,这些技术使它们的适用性可以跟随Fevicol从硬币表面缓慢流出。

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