• VEHICLE ENGINES. APPLICATION OF FUELS TYPES. EFFICIENCY

    SUBSTANTIATION OF PRODUCTION BIODIESEL AND ORGANIC BIOFUELS

    Trans Motauto World, Vol. 2 (2017), Issue 3, pg(s) 135-139

    There are in the article systematically finding out scientific-methodological and organizational-economical foundations of the development of biofuel market, forming of energy crops market, which used as plant origin bioraw material and economical estimation of their usage in the area of agro-industrial complex. World trends of development of biofuel from plant origin bioraw material were generalized, theoretical- methodological bases of forming biofuel market and its social-economic meaning in development of agro-industrial complex and economy integrally, other problems of organization of producing of bioenergy crops and competitiveness of biofuel market were examined. Prospects of development of biofuel were economically substantiated. The main problems, which restricting biofuel market are the absence of the accurate strategy of development.

  • MECHANIZATION IN AGRICULTURE

    MATHEMATICAL MODEL OF INTERACTION OF THE FLEXIBLE CLEANING BLADE WITH ROOT CROP HEAD

    Mechanization in Agriculture, Vol. 63 (2017), Issue 4, pg(s) 140-142

    Modern technologies of harvesting sugar beet tops provide solid preliminary cutting and collecting its harvest at the increased altitude and subsequent additional root crops heads cleaning from tops residues on a root. This last operation also defines quality of root crops of beet before their digging up. Objective of this research is improvement quality of root crops heads cleaning from tops remains, by development of interaction theory of flexible cleaning blade with a spherical surface of root crop head. In the theoretical study were used methods of modeling, higher mathematics and theoretical mechanics, as well as programming and carrying out numerical calculations on the PC. As a result of the conducted theoretical research the interaction theory of flexible cleaning blade with a root crop head surface in the course of its cleaning from tops remains is developed. On the basis of the received differential equations of blade movement which is pivotally mounted on the drive shaft with a horizontal axis of rotation, new mathematical dependences which justify basic parameters of this technology process are given.