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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Jasinskas, Algirdas;Šarauskis, Egidijus;Butkus, Vidmantas;Jotautienė, Eglė;Mieldažys, Algimantas;Viselga, G
Title: Vibration and noise measurements during silage thickening with inertia directional vibrator
Is part of: Journal of vibroengineering. Vilnius : Vibromechanika, 2010, Vol. 12, iss. 4
Extent: p. 611-620
Date: 2010
Keywords: Silage;Container;Inertia directional vibrator;Thickening;Density;Vibration;Noise
Abstract: Literature review and performed theoretical investigation indicates that it is environmentally and economically feasible for small and average size farms to use vibrational thickening method for silage preparation. However, the results need to be verified with experiments. This research work provides analysis and evaluation of flat surface inertia type vibrator, in which the excitation force is induced by turning the unbalanced mass. Directed action vibrator was manufactured and tested. Results indicate that application of inertia directional vibrator for thickening of finely chopped corn and Jerusalem artichoke stalk mixture, after 40 minutes thickening, allows to obtain a 114.6 kg m(-3) density for both layers, while thickening the first 65 kg mass mixture layer after 10 minutes - a 197.9 kg m(-3) density. Dry material densities correspond to 61.5 and 106.3 kg m(-3) respectively. After examination of fodder quality it was determined that corn mixture silage, thickened by the inertia directional vibrator, satisfies high-grade silage requirements. Performed tests demonstrated that the effect of vibrations on whole body and the measured noise levels do not have detrimental effect on human health and the established acceptable limits are not exceeded while operating the inertia directional vibrator. The vibrator is suitable for silage preparation since it does not contaminate the fodder with dirt and gasoline products during operation. The proposed silage preparation method provides opportunities to use ecologically safe containers as well as sectional and other types of enclosures
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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