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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Petkevičius, Sigitas;Steponavičius, Dainius;Pužauskas, Edvinas
Title: Grain separation from pith under quasi-static radial compression ear
Is part of: Mechanika 2012 : proceedings of the 17th international conference, 12, 13 April 2012, Kaunas University of Technology, Lithuania. Kaunas : Technologija, 2012, no. 17
Extent: p. 224-228
Date: 2012
Keywords: Combine harvester;Threshing device;Corn ear;Mechanical properties
Abstract: Corn yield in hectare can be from 50 to 70 tons of green mass or from 6 to 10 tons of grain. Corn for grain can harvested by several technologies, when the grain in ears is in physiological stage of maturity. The investigations of corn ears threshing process is related to the interaction between rasp bars and com ears. The force of grain connections to the ear was measured with the devices „Instron 4301" and attached writer „YEW 3033 X-Y" and with "FM- 1000". Theoretical equations were developed for calculating the reaction force of the grain to the ear pith arc of corn ear under its quasi-static radial compression. The empirical coefficients of friction, grain weight and measurements were used in theoretical equations. It was established that when the drum rasp bar p grain of ear then the adjacent grains are primarily separated from the pith. Grain separation depends on the acting force of rasp bars
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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