Mechanical behaviour under compression loading and some physical parameters of Japanese quail (Coturnix coturnix japonica) eggs

R. Polat, S. Tarhan, M. Çetin and U. Atay
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R. Polat: Department of Agricultural Machinery, Faculty of Agriculture, Harran University, Sanliurfa, Turkey
S. Tarhan: Department of Agricultural Machinery, Faculty of Agriculture, Gaziosmanpasa University, Tokat, Turkey
M. Çetin: Department of Animal Science, Faculty of Agriculture, Harran University, Sanliurfa, Turkey
U. Atay: Department of Agricultural Machinery, Faculty of Agriculture, Harran University, Sanliurfa, Turkey

Czech Journal of Animal Science, 2007, vol. 52, issue 2, 50-56

Abstract: Technical information and data on the physical and mechanical properties of agricultural and animal products are necessary to design various equipments for agriculture and industry. In this study some physical properties such as mass, length, diameter, geometric mean diameter, surface area, sphericity, volume, coefficient of friction and packaging coefficient were determined for Japanese quail eggs. Furthermore, the mechanical behaviour of Japanese quail eggs was determined in terms of average rupture force, deformation and toughness (energy absorbed by the Japanese quail eggs per unit volume). Egg samples were compressed along their X and Z-axes. The average values of their mass, length, width, shell thickness, geometric mean diameter, surface area, sphericity, volume and packaging coefficient were measured to be 12.69 g, 34.87 mm, 26.20 mm, 0.27 mm, 28.82 mm, 2 608.5 mm2, 1.10, 359.17 mm3, 0.469, respectively. The values of the coefficient of friction for quail eggs on the surfaces of plywood, glass, galvanized steel and fibreglass were 0.301, 0.282, 0.274 and 0.266, respectively. The highest rupture force, deformation and toughness were obtained when Japanese quail eggs were loaded along their X-axis. Compression along the Z-axis required the least compressive force to break the eggs as compared to the other compression axes. Rupture force, deformation, absorbed energy and toughness for the X-front axis were determined to be 10.51 N, 1.5 mm, 7.88 Nmm and 0.219 Mj/mm2, respectively.

Keywords: quail egg; physical properties; mechanical behaviour (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:52:y:2007:i:2:id:2262-cjas

DOI: 10.17221/2262-CJAS

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