https://doi.org/10.4081/jae.2007.1.47

STUDIO DEL TRANSITORIO NELLA TRASMISSIONE DALLA P.D.P. AL VENTILATORE DI UN NEBULIZZATORE

Vol. 38 No. 1 (2007)
Submitted: 26 June 2012
Accepted: 26 June 2012
Published: 31 March 2007
dynamic analysis, no steady state condition, fan, overgear box, mistblower.
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Authors

Dario Friso
dario.friso@unipd.it
During the use of a number of mistblowers for the orchard and vineyard protection, the overgear-box, located between the p.t.o. and the centrifugal fan, was damaged. To solve the problem we carried-out a dynamic analysis of initial no steady-state by integrating the differential equation of the impeller motion. By the obtained equations, a numerical experimentation was carried-out. It showed the gearing of a power greater than design power of the overgear box, due to impeller inertia. This result explains the overgear box damages and gave the no steady-state condition time (1,8 s), to get the rated velocity of the impeller. Finally a torque limiter assembling, between the p.t.o. and the overgear box, was proposed. A new differential equation solution and a new numerical experimentation was carried-out. It showed a reduction of the geared power to the rated value of the overgearbox, together with an increase of the no steady-state condition time to 8,7 s.

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How to Cite

Friso, D. (2007) “STUDIO DEL TRANSITORIO NELLA TRASMISSIONE DALLA P.D.P. AL VENTILATORE DI UN NEBULIZZATORE”, Journal of Agricultural Engineering, 38(1), pp. 47–52. doi: 10.4081/jae.2007.1.47.

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