Vibrations in engineering and technology

Kupchuk Ihor – Ph. D in Engeneering, Associate Professor of the Department of General Technical Disciplines and Labor Protection, Vinnytsia National Agrarian University (3, Sonychna St., Vinnytsia, 21008, Ukraine, +380978173992, kupchuk.igor@i.ua, http://orcid.org/0000-0002-2973-6914).  

Kravets Ruslan – Dr. Sc. in Pedagogy, Associate Professor, Head of the Department of Ukrainian and Foreign Languages of Vinnytsia National Agrarian University (3 Soniachna Str., Vinnytsia, Ukraine, 21000, e-mail: krawezj@ukr.net, https://orcid.org/0000-0002-7459-8645). 

Burlaka Serhiy  – Doctor of Philosophy, Senior Lecturer, Department of Technological Processes and Equipment of Processing and Food Production, Vinnytsia National Agrarian University (3 Solnechnaya St., Vinnytsia, 21008, Ukraine, e-mail: ipserhiy@gmail.com, https://orcid.org/0000-0001-8036-1743).

Dubrovina Olha – assistant of the Department of General Technical Disciplines and Labor Protection, Vinnytsia National Agrarian University (3 Sunny Street, Vinnytsia, 21008, Ukraine, e-mail: olyadubrovina17@gmail.com).

For the efficient functioning and successful development of the animal production sector, the key condition is correct feeding of animals. This feeding is only possible if enough feed is produced, nutrient losses during harvesting are reduced, and feed is correctly prepared for feeding. The introduction of concentrated feed helps to achieve a balance between energy, protein and amino acid content in the animal ration. Technologists compose and select components of feed rations based on the species, age group, morphological and biological characteristics of animals, as well as other factors. Despite the chosen technology and feeding strategy, concentrated feeds such as processed cereals based on wheat, barley, corn and other crops continue to be the main source of nutrients for animals. The quality of grinding concentrated feed is important for animal productivity. This treatment results in the formation of numerous particles with a larger surface area, which promotes faster digestion and better absorption.

Grinding is one of the most high-energy processes used in animal feed technology. Since plant residues are structurally uneven, this makes it difficult to use conventional grinding methods efficiently, which reduces their energy efficiency and requires the use of several grinding stages with appropriate equipment.

In order to ensure efficient processing of agricultural plant residues, it is important to create an appropriate technical infrastructure, given the significant energy costs associated with traditional processes of preparing biomass for granulation. To do this, it is necessary to conduct research aimed at solving the problem of energy-efficient grinding of structurally heterogeneous materials, in particular materials that contain a large amount of moisture. This is what determines the relevance of this research topic. 

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