Justification of the loss factor of root vegetables of chicory in the process of digging out
DOI:
https://doi.org/10.31548/dopovidi2018.03.010Abstract
One of the most important prerequisites for the development of working organs for digging up root crops is the agrobiological and physico-mechanical properties of root crops and the soil environment. They substantially correct the mechanical and technological phenomena that are characteristic for the working processes of the complex dynamic system "root crop-soil medium-working organ". The indicator of the number of lost chicory root crops when digging by the digger's working organs, or the loss of root crops, is one of the priority indicators in the general context of agrotechnical requirements for the process of harvesting root crops. It regulates the loss of raw materials and, in the final case, the economic profitability of cultivation and processing of root vegetables of chicory. On the basis of the analytical analysis, theoretical dependences were obtained for determining the loss factor of the root crops of chicory during their digging, depending on the nature of the fracture of the underground part. Based on the results of experimental studies, regression equations have been developed that characterize the change in the root crop loss coefficient as a function of process parameters. It is established that the discrepancy between the theoretical and experimental values of the chicory root crop loss coefficient is in the range of 10 to 15%.
Key words: depth of occurrence, volume, underground part, angle of fracture, combined digger, depth of motion, speed of movement
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