Numerical check of a 2DOF transmission for wind turbines

The aim of the paper is to present a planetary gearbox for wind turbine. At constant wind power input the planetary gearbox is able to provide variable speed of the output shaft. The main purpose of the differential transmission is on the capability to adapt the operation to variable loading of wind. A CAD model has been proposed in order to investigate the operation feasibility of the proposed design solution. A proper dynamic model has been developed in ADAMS software. Simulation tests have been carried out and results are discussed to validate the proposed design solution

CREATED AND REALIZATION OF A DEMOGRAPHIC POPULATION MODEL FOR A SMALL CITY

Using a mathematical model of the system dynamics of the demographic process in the work, an assessment of the impact of the housing construction industry on the future population was obtained it was revealed that the share of occupied plots for housing construction is a leading indicator in ensuring stable reproduction of the demographic process both in urban agglomerations and small towns countries, for example, the city of Kosshy, Akmola region of the Republic of Kazakhstan