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Development of feeding device in a Turkish threshing machine [electronic resource].

By:

Ali, Mahmoud M. A

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Language: English Summary language: Arabic Description: p.235-258Other title:

تطويـر جهـاز تلقيـم في آلـة الـدراس التركية الصنـع [Added title page title]

Uniform titles:

Misr Journal of Agricultural Engineering, 2007 v.24 (2) [electronic resource].

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Full Text Article.

In: Misr Journal of Agricultural Engineering 2007.v.24(2)Summary: A feeding device in a Turkish threshing machine was constructed to increase machine efficiency and avoid many traumatic injuries during threshing process. Five different material feeding rates of 900, 1000, 1100, 1200 and 1300 kg/h; five rotating drum speeds of 23, 25, 27, 29 and 31 m/s and three grain moisture contents of 17, 19 and 21 % were deduced and compared to determine the un-threshed grains, mechanical grain damage and total grain losses; threshing and cleaning efficiencies; energy consumed and total cost requirements for threshing wheat crop. The data obtained show that using threshing machine with the constructed feeding device decreased un-threshed grain losses by 26.99 %, mechanical grain damage by 40.37% and total grain losses by 34.85%. In addition, threshing efficiency increased by 0.62 %, cleaning efficiency increased by 3.00 %, energy requirements increased by 3.49 % and finally threshing cost decreased by 14.27 % at material feed rate of 1100 kg/h, drum speed of 27 m/s and grain moisture content of 19 %.

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A feeding device in a Turkish threshing machine was constructed to increase machine efficiency and avoid many traumatic injuries during threshing process. Five different material feeding rates of 900, 1000, 1100, 1200 and 1300 kg/h; five rotating drum speeds of 23, 25, 27, 29 and 31 m/s and three grain moisture contents of 17, 19 and 21 % were deduced and compared to determine the un-threshed grains, mechanical grain damage and total grain losses; threshing and cleaning efficiencies; energy consumed and total cost requirements for threshing wheat crop. The data obtained show that using threshing machine with the constructed feeding device decreased un-threshed grain losses by 26.99 %, mechanical grain damage by 40.37% and total grain losses by 34.85%. In addition, threshing efficiency increased by 0.62 %, cleaning efficiency increased by 3.00 %, energy requirements increased by 3.49 % and finally threshing cost decreased by 14.27 % at material feed rate of 1100 kg/h, drum speed of 27 m/s and grain moisture content of 19 %.

Summary in Arabic.

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