Mr. Dmitriy Savenkov Profile

Dmitriy Savenkov

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Proceedings Article | 20 February 2024 Paper

Influence of ultraviolet exposure on mechanical properties of rubber products

D. Savenkov, A. Shcherbakov, D. Gladkih, D. Yu. Donskoy

Proceedings Volume 13065, 130651C (2024) https://doi.org/10.1117/12.3024937

KEYWORDS: Ultraviolet radiation, Solar radiation, Materials properties, Vacuum chambers, Agriculture, Cameras, Deformation, Resistance, Relative humidity, Ozone

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The development of modern agro-industrial complex (AIC) directly depends on the efficiency of technical solutions, especially in agricultural engineering. In the course of seasonal field work, agricultural machinery and equipment are subjected to a significant impact of various climatic factors, including solar radiation. The intensity of this impact affects the rate of wear of materials used in machinery and equipment. Especially sensitive to this impact are flexible units, which must elastically deform under compression and tension, such units become brittle and brittle. In this regard, the purpose of this work is to study and determine the effects of solar radiation on rubber seals. Object. The object of research is samples of rubber products used in agrarian engineering as a door sealant. Materials and Methods. Within the framework of this study the materials were tested on the accelerated aging unit with ultraviolet (hereinafter referred to as UV) radiation sources. Using the testing universal electromechanical machine REM5.101.0.PS the mechanical properties of the samples were analyzed. Results and conclusions. After irradiation of the sealing rubber sample for 200 hours and radiation intensity of 25 W/m² (which is ~100 times higher than the average daily power of spectra A and B of ultraviolet radiation), the reduction of tensile strength of the objects of the study amounted to 11.5 %. Local spots of different color appeared on the samples, and also based on the presented data, due to the destruction of bonds between polymer chains and the formation of cracks and microcracks in the structure of the rubber, it led to a decrease in its strength.

Proceedings Article | 5 January 2023 Paper

Using of digital tools as a means of increasing the efficiency of agro-industrial complex

N. V. Limarenko, D. N. Savenkov, A. A. Shcherbakov

Proceedings Volume 12564, 125640N (2023) https://doi.org/10.1117/12.2669259

KEYWORDS: Energy efficiency, Modeling, Materials properties, Control systems, Correlation coefficients, Visualization, Software development, Safety, Process control, Neural networks

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The article discusses the principles of using digital tools as a means of improving the efficiency of the processes of the agro-industrial complex. In addition to direct use, the stages that allow the digitalization of a process or operation of the agro-industrial complex are considered and algorithmized. The relevance of this topic is confirmed by the strategic focus of all processes of the agro-industrial complex on improving the energy efficiency of both final products and technological processes. It is proved that it is possible to solve effectively the problem by using notational methodologies that allow decomposing digitized objects. Decomposition is carried out by projecting a cybernetic approach: entry, exit, restrictions. Since the fulfillment of the requirements for the energy efficiency of products and developments imposes, in addition to economic restrictions, also environmental ones, the process of manure utilization was taken as an example of a digitalized object. With regard to this object, a positive experience of using the described principles has been obtained. It has been established that the efficiency of the implementation of this process using digital tools increases by at least 18 ... 27%. Further increase in efficiency requires an increase in arrays, available data, and refinement of the used approximating connection functions. The results obtained in this article can be used in the digitalization and intellectualization of most processes in the agro-industrial complex.

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