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Revista Ciencias Técnicas Agropecuarias

versión On-line ISSN 2071-0054

Resumen

HERRERA-PRAT, Mario Ignacio; GARCIA DE LA FIGAL-COSTALES, Armando Eloy; DE LAS CUEVAS-MILAN, Héctor  y  MARTINS-TEIXEIRA, Mauri. The air speed in the fan and the flow in an agricultural sprayer. Rev Cie Téc Agr [online]. 2017, vol.26, n.1, pp. 50-56. ISSN 2071-0054.

The magnitude of air velocity at the fan outlet of agricultural sprayers influences the aerodynamic airflow and is a key factor in the flow structure. The effect of varying the fan output speed in aerodynamic airflow during work at different speeds of movement of the sprayer, using computer simulation (CFD) is analyzed in this work. Simulations of output speeds were conducted in the diffuser fan of 40, 45 and 50 m/s with a fan output width of 115 mm and considering the sprayer without motion and working speeds of 2.18, 4.5 and 6.35 km / h. The aerodynamic behavior of the airflow for each variant was analyzed. The increase in the fan output speed produces an accelerated wear on the core of the current; therefore the use of lower speeds enhances aerodynamic flow

Palabras clave : computer simulation (CFD); air flow modeling; aerodynamic flow.

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