Ghanem,, T., Nagy, K., Badr, M., Darwish, E. (2017). SOME PHYSICAL AND MECHANICAL PROPERTIES OF SODOM APPLE (Calotropis Procera). test, 34(2), 1009-1022. doi: 10.21608/mjae.2017.96833
T. H. Ghanem,; K. S. Nagy; M. M. Badr; E. A. Darwish. "SOME PHYSICAL AND MECHANICAL PROPERTIES OF SODOM APPLE (Calotropis Procera)". test, 34, 2, 2017, 1009-1022. doi: 10.21608/mjae.2017.96833
Ghanem,, T., Nagy, K., Badr, M., Darwish, E. (2017). 'SOME PHYSICAL AND MECHANICAL PROPERTIES OF SODOM APPLE (Calotropis Procera)', test, 34(2), pp. 1009-1022. doi: 10.21608/mjae.2017.96833
Ghanem,, T., Nagy, K., Badr, M., Darwish, E. SOME PHYSICAL AND MECHANICAL PROPERTIES OF SODOM APPLE (Calotropis Procera). test, 2017; 34(2): 1009-1022. doi: 10.21608/mjae.2017.96833

SOME PHYSICAL AND MECHANICAL PROPERTIES OF SODOM APPLE (Calotropis Procera)

Misr Journal of Agricultural Engineering
Article 25, Volume 34, Issue 2, April 2017, Pages 1009-1022    PDF (921.98 K)
Document Type: Original Article
DOI: 10.21608/mjae.2017.96833
Authors
T. H. Ghanem,1; K. S. Nagy2; M. M. Badr3; E. A. Darwish
1Prof. of Ag. Eng., Fac. of Ag. Eng, Al-Azhar Univ., Cairo, Egypt.
2Prof. of process Eng., Food Tech. Res. Inst., Ag. Res. Center, Egypt.
3Lecturer of Ag. Products Porocess Eng. Dept., Fac. of Ag. Eng., Al-Azhar Univ., Cairo, Egypt.
Abstract
The aim of this research is to study some physical and mechanical properties of Sodom apple (Calitropis procera), to help in designing and developing of specific machine and their operations such as harvesting, cleaning, grading and separation.
The main results in this study can be summarized as follows:
Physical properties of Sodom apple seeds fruits: length= 5.19 - 6.98 mm, width = 3.16 – 5.87mm, thickness = 0.38 – 0.70 mm, geometric diameter= 1.99 – 2.82 mm, arithmetic diameter= 3.21- 3.77mm, flat surface area = 7.07- 9.84 mm2, transverse surface area = 2.89- 5.06mm2, volume 4.12 – 11.68 mm3, mass of 1000 seeds = 5.84 – 7.05 g, bulk density = 200.97 kg/m3, real density = 929.50 kg/m3and moisture content= 8.43 % w.b.
 Mechanical properties: The lowest values of repose angle for seeds were on fiber glass followed by galvanized sheet, plywood, rubber and the highest on perforated sheet (20.86o, 34.81o, 48.86o, 55.63o and 62.46o) respectively. Tensile strength between fibers and seeds was 0.0986N.
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