Browsing by Author "Liashenko, Iryna"

Now showing 1 - 7 of 7

Assessment of Energy Security of Ukraine in the Implementation of Renewable Energy Technologies
(Національний університет «Полтавська політехніка імені Юрія Кондратюка», 2022) Hilorme, Tetiana; Nakashydze, Liliya V.; Liashenko, Iryna
ENG: The article investigates the definition of indicators of effective assessment of energy security of Ukraine in the implementation of renewable energy technologies based on SWOT analysis. Priority of implementation of technologies using energy of renewable sources on leveling of threats to energy supply of the country is defined. The scientific and methodological approach to assessment of innovative development of Ukraine in the system of energy security using a modified model of SWOT analysis is substantiated. The advantage of the model is compactness of development due to the use of a single platform and efficiency of use due to the absence of the need to reload data into a specialized system. With the help of fractal analysis, a graphical interpretation of the comparison of SWOT analysis components in the innovative development of Ukraine in the system of energy security is built. The peculiarity of the proposed model lies in the fact that the data, having both qualitative and quantitative characteristics, are subject to analysis. As a conclusion, it is proposed to carry out an economic analysis of the factors influencing the prioritization of key technologies in the Ukrainian industry.
Determination of Features of Formation of Energy Supply Systems with the Use of Renewable Energy Sources in the Transition Period
(ПП «Технологічний Центр», Харків, 2021) Nakashydze, Liliya V.; Gabrіnets, Volodymyr O.; Mitikov, Yurii O.; Alekseyenko, Sergey; Liashenko, Iryna
ENG: An urgent scientific and practical problem is the formation of energy efficient systems for ensuring climatic conditions in premises based on the use of renewable energy sources. The work has improved the technical and methodological approach to the calculations of energy supply and storage systems when using energy-active fences. The special effectiveness of these fences has been shown in the transitional periods of the year, that is, in spring and autumn. A mathematical model has been developed to reliably predict the process of ensuring temperature comfortable conditions (heat balance) when using nonparametric statistics methods. It will improve the quality of forecasting the effect of external air temperature during the transitional periods of the year. The temperature inside the room is taken into account in the presence of a multilayer energy-active fence. To determine the approach to the use of heat in energy supply systems during the transition period, thermal parameters from the inner and outer sides of the building structure are considered. This makes it possible to take into account changes in the heat transfer of these structures when designing a power supply system and determining the optimal modes of its functioning in various natural conditions. The function of energy-active fences associated with the generation of additional heat into the system, obtained through the conversion of solar radiation energy, is considered. To increase this generation, special multilayer designs of energy-active fencing have been proposed. The proposed thermal modernization with the use of energy-active fences allows, on average, over the cold period of the year, to reduce energy consumption by 3.5 times for industrial and residential buildings.
Enhancement of Operational Reliability of Renewable Energy Conversion Equipment Within the Framework of Smart Grid Concept
(Oktan Print, Praha, 2022) Hilorme, Tetiana; Nakashydze, Liliya; Liashenko, Iryna
ENG: Smart Grid technology is characterized by several innovative attributes that meet the innovative needs of the energy market. The performed content analysis allows to form a sequence of stages of development and design of the concept “Smart Grid”. Building a model of energy management system based on the use of Blockchain technology contributes to the decentralization of production and supply of energy based on renewable and traditional sources. Prospects for the use of Blockchain technology in the energy sector have significant potential: this technology is gradually expanding in related industries – a global energy network is being formed.
“Fluid” Temporality: The Conflict of Gender and Age in The Postmodern Socio-Cultural Context
(Aesthetics Media Services, India, 2022) Vlasova, Tetiana I.; Skyba, Eleonora; Vlasova, Olha; Liashenko, Iryna
ENG: Temporality, being an intrinsic property of the subject/object relations in the multiplicity of the socio-cultural and gender narratives, presents one of the most complicated ideas of postmodernity. The project of temporality embraces ambivalent scripts in their “momentous transition”, revealing the attempts at generalizing ages of men and women in the certain “unified” narratives. The latter is expressed in the triad paradigm of “past-present-future” with “present” as the dominating member. While conceptualizing binary oppositions, namely, the dualism “man/woman”, it is evident that nowadays the biological “intrinsic value” of the human being’s identity has become less relevant. The man/woman’s identity is not fixed anymore by anatomy, at present it is “fluid” with the time and age “shifts” of femininity and masculinity. The decentering “situation”, having transformed the temporal aspects of man/woman’s value in the social practices and corresponding narratives, nowadays demands their valorizing by means of the conceptual impact on the transformations of the “liquid temporality”.
Management of Innovative Energy Efficient Technologies in the Conditions of Sustainable Development
(Ljubljana School of Business, Ljubljana, Slovenia, 2022) Hilorme, Tetiana; Nakashydze, Liliya; Liashenko, Iryna
ENG: Irreversible depletion of the world's hydrocarbon reserves, rising energy prices, environmental pollution problems – all this is forcing most developed countries to set their own energy trategies aimed at developing alternative energy. Thus, there is need to develop theoretical principles and practical recommendations for the formation of the concept of energy saving technology management in view of compliance with the conceptual principles of sustainable development, namely focusing on carbon-free energy technologies. The analysis and prospects of development of the state’s energy platform on the basis of postulates of sustainable development are carried out. It is proved that the introduction of models for the development of energy efficient technologies "Energy Efficiency +" and "New Paradigm - Power Market" will allow Ukraine to make a technological breakthrough. The scientific and methodological approach to improving the management system of energy resources distribution in accordance with the requirements of alpha stakeholders, especially industrial enterprises, according to certain parameters at the stage of Industry 4.0 in the conditions of communication environment constraints energy saving.
The Model for Forecasting Sales of Energy Supply Systems Based on Renewable Energy Sources
(Сумський державний університет, 2023) Hilorme, Tetiana; Nakashydze, Liliya V.; Liashenko, Iryna
ENG: Building an effective model for forecasting sales of products (works, services) allows enterprises to achieve the desired level of competitiveness. It is determined that the most relevant for industrial enterprises, engaged in the sale of energy supply systems based on renewable energy sources, are economic and mathematical methods that take into account the seasonality factor. The purpose of the article is to build a model for forecasting sales of energy supply systems based on renewable energy sources. The main research method is correlation and regression analysis. The article substantiates a model for forecasting the sale of energy supply systems to economic agents by industrial enterprises, which is based on determining the functional relationship between the seasonality factor (seasonal component, harmonic component of the model) and the objective function of ensuring an effective time sequence of management decisions/measures and which, unlike the existing ones, takes into account the duration of the seasonality factor, which increases the efficiency of management decisions by optimizing the time lag between their adoption and implementation. As a conclusion, the elasticity coefficient for energy saving costs in order to ensure the competitiveness of industrial enterprise products reaches 100 times the value.
Motif of Death in Ukrainian-Canadian Poetry
(Ukrainian State University of Science and Technologies, Dnipro, 2022) Liashenko, Iryna
ENG: Purpose of the research is to study the originality of interpretation of death in the lyrics of Ukrainian diaspora in Canada in the context of the opposition "foreign land – motherland", based on its existential development in philosophical anthropology and culture of the last two centuries. Its implementation presupposes, first of all, analysis of the forms of development and disclosure of the death motif by figurative and artistic means. Theoretical basis. The author uses the well-founded tradition of interpreting the death motif in philosophical literature of the last centuries, i.e. non-classical and modern philosophical thought. Originality. The present study is an attempt at systematization of the notions of death in Ukrainian poetry in Canada in the second half of the 20th century. It is based on the study of artistic texts and the worldview of Ukrainian emigrants. Appeal to the fiction of the Ukrainian Diaspora allows illustrating the originality of philosophical understanding of death in the context of the national culture. Conclusions. Reference to Ukrainian-Canadian poetry allows expanding the space of philosophical understanding of death in the form of figurative fiction. Concretizing the character of their interpretation of the motif of death, it is necessary to focus attention on its two basic forms of manifestation: existential, associated with living abroad, and sacrificial death for the benefit of the homeland. Thus, the motif of death occupies a significant place in the lyrics of representatives of the Ukrainian diaspora. The concept of human death is closely connected with the concept of life, which is concretized through their meaningful comprehension. This is a matter of interpretation of despair and loneliness motifs, as well as the illumination of the images of a foreign land, which is one of the features of emigrant literature in general.