Resumo

VALDES-HERNANDEZ, Pedro A.; LAFFITA-LEYVA, Alexander; BORREGO-ORTA, Jesús  e  CHUAIREY-MEDINA, María del Carmen. Computational Fluid Dynamics (CFD) Simulation of Forage Chopper Discharge Tower. Rev Cie Téc Agr [online]. 2022, vol.31, n.2  Epub 13-Maio-2022. ISSN 2071-0054.

The work is part of an investigation project approved by the National Program of Food Animal. The objective of the work was to carry out the simulation by CFD of forage chopper discharge tower, using SOLIDWORKS tool to improve its design. The conditions of frontiers of speed, volumetric flow and atmospheric pressure to the inlet and outlet of the tower divided in four areas are established for the pattern in study. The speeds profile, pressure and the aerodynamic force, with and without particles of vegetable material, inside the tower were obtained. The results show similar speeds of 12,9 - 50,3 m/s, at the inlet and at the outlet of the tower with and without particles. A decrease of pressure of 1 466,33 - 2 508,22 Pa is manifested at the outlet of the tower with respect to the inlet pressure. The aerodynamic force average for the four studied areas, overcome the necessary haulage force of the particle of 0,0195 N, what facilitates their expulsion through the outlet of the discharge tower.

Palavras-chave : design; speeds profile; pressure and aerodynamics force.

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