Abstract
To minimize the existing risks associated with the energy production, distribution, and development of urban areas, the concept of sustainable development of smart manufacturing is being introduced everywhere. However, most of existing digital transformation technologies do not sufficiently take into account environmental, economic, and social components. It requires the development of specialized solutions that, on the one hand, contribute to the development of the urban environment, and on the other, are focused on the use of innovative technologies that have a positive effect on the environment. However, in order to provide electric power to objects of a smart urban environment, we propose using autonomous power plants with renewable energy sources (wind and sun) instead of classical central power supply. The article describes the benefits of using combined wind-solar power plants to provide electricity to smart urban environments. The article considers advantages and disadvantages of this solution. We describe the design of the combined wind-solar installation with a vertical Darier rotor and photoelectric converters located on a common supporting structure. This solution allows getting a positive synergistic effect from the use of several renewable energy sources. The presented main advantages of this solution include increasing the energy efficiency of photovoltaic converters due to the intensification of heat removal from the surface of solar cells by the wind flow from the Darier rotor. In addition, this article considers the efficient use of the area and stability of electricity output. Digital aerodynamic modeling performed the parametric optimization of the Darier rotor having three blades with NACA 0021profile. The simulation demonstrated that the blades installed at an angle of 3.8° provide the maximum value of the wind utilization coefficient. This article also considers parametric optimization of a photovoltaic installation. In particular, the optimal installation angle of photovoltaic modules for Sevastopol is 34°.
Highlights
The use of modern technologies to improve the efficiency of organizing the functioning of manufacturing and urban processes and the provision of innovative services forms the basis of smart sustainable city and society concept [1,2,3,4,5]
Emerging environmental problems and other risks associated with an increase in the proportion of the population living in cities [1,2] can be solved using assessing models [4,5]
The design of which provides for the placement of photovoltaic modules on the supporting structure of a wind turbine with a vertical-axial rotor of the Darrieus type (Figure 1)
Summary
The use of modern technologies to improve the efficiency of organizing the functioning of manufacturing and urban processes and the provision of innovative services forms the basis of smart sustainable city and society concept [1,2,3,4,5]. Emerging environmental problems and other risks associated with an increase in the proportion of the population living in cities [1,2] can be solved using assessing models [4,5]. Special attention should be paid to the set of strategies for the conceptual development of urban areas, which are called “smart” cities in the literature, proposed by many studies [6,7,8].
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