A Study of Impact Energy on Eggshell Crack

The lengthy and irregular cracks occur when eggs are impacted. These egg samples with cracks can be used for thermal image to study the display of the crack. The purpose in the study was to analyse eggs impacted by free fall and measure the crack length with a self-developed image analysis system, f...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-06, Vol.378 (1), p.12010
Main Authors: Chou, Po-Ting, Lin, Jeng-Liang
Format: Article
Language:English
Subjects:
Cracks
Eggs
Free fall
Image analysis
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Summary:The lengthy and irregular cracks occur when eggs are impacted. These egg samples with cracks can be used for thermal image to study the display of the crack. The purpose in the study was to analyse eggs impacted by free fall and measure the crack length with a self-developed image analysis system, further investigating the relationship between the impact energy and the crack length. The image analysis system comprised Image Import, Gray Level Processing, Binary Transform, Dilation and Labelling. Finally, all crack blocks could be obtained, as well as the area, perimeter and length could be determined. The test results showed that a height of free fall between 24-42 mm or an impact energy of 12-26 mJ would cause cracks similar to those when eggs were collected. The larger energy was, and the longer crack length was, presenting in linear relationship, as well as the egg source to the relation would be greatly influenced.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/378/1/012010