PHYSICAL AND MECHANICAL PROPERTIES OF CANTALOUPE “CHARENTAIS“ FRUITS APPLIED TO DESIGN SEED-EXTRACTOR
El Lithy, A. (2012). PHYSICAL AND MECHANICAL PROPERTIES OF CANTALOUPE “CHARENTAIS“ FRUITS APPLIED TO DESIGN SEED-EXTRACTOR. EKB Journal Management System, 29(3), 1149-1162. doi: 10.21608/mjae.2012.101983
A. M. El Lithy. "PHYSICAL AND MECHANICAL PROPERTIES OF CANTALOUPE “CHARENTAIS“ FRUITS APPLIED TO DESIGN SEED-EXTRACTOR". EKB Journal Management System, 29, 3, 2012, 1149-1162. doi: 10.21608/mjae.2012.101983
El Lithy, A. (2012). 'PHYSICAL AND MECHANICAL PROPERTIES OF CANTALOUPE “CHARENTAIS“ FRUITS APPLIED TO DESIGN SEED-EXTRACTOR', EKB Journal Management System, 29(3), pp. 1149-1162. doi: 10.21608/mjae.2012.101983
El Lithy, A. PHYSICAL AND MECHANICAL PROPERTIES OF CANTALOUPE “CHARENTAIS“ FRUITS APPLIED TO DESIGN SEED-EXTRACTOR. EKB Journal Management System, 2012; 29(3): 1149-1162. doi: 10.21608/mjae.2012.101983

PHYSICAL AND MECHANICAL PROPERTIES OF CANTALOUPE “CHARENTAIS“ FRUITS APPLIED TO DESIGN SEED-EXTRACTOR

Misr Journal of Agricultural Engineering
Article 15, Volume 29, Issue 3, July 2012, Page 1149-1162  XML PDF (696.55 K)
DOI: 10.21608/mjae.2012.101983
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Author
A. M. El Lithy
Assoc. Prof., Ag. Eng. Dept., Col. of Ag., Al -Azhar U., Assiut, Egypt.
Abstract
The aim of this research is to study some physical and mechanical properties of cantaloupe “charentais” variety that provide the basic data for the proper design of handling-machines. The tested physical and mechanical properties were incorporated in the design of the seed-extraction machine as a case study.
The main results in this study can be summarized as follows:
Physical properties of cantaloupe fruits: diameter = 81.99 – 112.16 mm, height = 66.69 – 127.55  mm, geometric diameter = 83.5 – 117.31 mm, mass = 332 – 902  g, volume = 345 - 1000 cm3, projected area = 85.21 – 173.79 cm2, real density = 0.87 – 1.00 g/cm3, bulk density = 0.695 g/cm3, sphericity =  0.84 – 1.18.
Mechanical properties: maximum rolling-angle was 20 – 25 degree, minimum rolling-angle was 12 – 20 degree and the average firmness of cantaloupe-fruit was 85.71 N/cm2.
The physical and mechanical properties are incorporated in the design of the cantaloupe-fruit hopper size and wall angle, convey belt with pressing fingers, pressing mechanism and separation mechanism (vibrated chain-belt) of the proposed design idea of seed-extraction machine is given also in the paper as a case study.
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