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Non-Destructive Eggshell Strength Assessment Using Hertz Contact Theory Part I: Theory and Applicability.
De Ketelaere, Bart; Corion, Matthias; Adriaens, Ines; Van Liedekerke, Paul; Saeys, Wouter.
Afiliación
  • De Ketelaere B; Division of Mechatronics, Biostatistics and Sensors (MeBioS)-Department of Biosystems, Katholieke Universiteit Leuven, Kasteelpark Arenberg, 30, 3001 Leuven, Belgium.
  • Corion M; Division of Mechatronics, Biostatistics and Sensors (MeBioS)-Department of Biosystems, Katholieke Universiteit Leuven, Kasteelpark Arenberg, 30, 3001 Leuven, Belgium.
  • Adriaens I; Division Animal and Human Health Engineering (A2H)-Department of Biosystems, Katholieke Universiteit Leuven, Kleinhoefstraat 4, 2440 Geel, Belgium.
  • Van Liedekerke P; BIOMATH-Department of Data Analysis and Mathematical Modelling, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
  • Saeys W; Division of Mechatronics, Biostatistics and Sensors (MeBioS)-Department of Biosystems, Katholieke Universiteit Leuven, Kasteelpark Arenberg, 30, 3001 Leuven, Belgium.
Foods ; 12(6)2023 Mar 11.
Article en En | MEDLINE | ID: mdl-36981114
In the egg industry, fast and highly reliable quality measurements are crucial. This study presents a novel method based on Hertz contact theory that allows for non-destructive determination of eggshell strength. The goal of the study was to evaluate the material strength (Young's Modulus) and structural strength (stiffness) of eggshells. To this end, an experimental setup was constructed to measure the collision of an eggshell with a small steel ball, which was recorded using a laser vibrometer. The study analyzed a sample of 120 eggs and found a correlation of 0.85 between the traditional static stiffness measured during quasi-static compression tests and the stiffness obtained from the Hertz contact theory. The results show that Hertz contact theory is valid for small steel spheres impacting eggshells, while a sensitivity analysis indicated that the most important factor in determining the strength of the eggshell is the contact duration between the egg and the impactor. These results open up the possibility of grading eggs based on their shell strength in a non-destructive manner.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Foods Año: 2023 Tipo del documento: Article País de afiliación: Bélgica Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Foods Año: 2023 Tipo del documento: Article País de afiliación: Bélgica Pais de publicación: Suiza