THE THEORETICAL AND FIELD SCOPES OF A DEVELOPED UNIT FOR HARVESTING SUGAR·BEET | ||||
| Journal of Soil Sciences and Agricultural Engineering | ||||
| Article 1, Volume 28, Issue 3, March 2003, Page 2173-2184 PDF (1.21 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jssae.2003.244104 | ||||
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| Author | ||||
| M. A. EI-Saadany, | ||||
| Dept. of Agrlc. Engineering, Fac. of Agrlc., Mansoura Univ. | ||||
| Abstract | ||||
| Mechanical harvesting of sugar beel is not widely spread in Egypt. manual harvesting is a tedious and exhausUve Job especially In the newly reclaimed land. The objective of this paper is to build and develop e simple liable and sugar beet harvester unil for small farms. The study is divided into two parts. The first is the theoretical study 10 determine the forces affecting on the lifting share during hervesting operation, and to find the malhematical relations of the forces affecting the beet lif.hg and damage. The second is e,e experimental field which, conductir.!:j under three forward speeds. three digging angles and three blade widths. The theoretical study showed that both the horizontal ·HF~ and the vertical ·VF" forces were gradually increased with both of tilt angle and share Width. It also revealed that the effect of tilt angle was greater than the effect of share widt on the horizontal force while their effect on the vertical force was almost the same. he field experiment was coincident with the Iheoretical study. \Alhich,' at tilt angle, "23cm" share width and ·3.5kmJh~ forward speed the share gave "98.5 %" of Ihe beet lifting efficiency. Also the lowest percentage of beet damage was obtained at the above conditions but when the share width was '21cm" the share width of "23cm" is not recommended to be used with the developed share because of its Irre9uler effect. | ||||
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