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Посмотр № 3 (126) 2021 по дате загрузки
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Research of rigidity of tootheds of the toothed belt in conditions of the dynamic loading
(BrSTU, 2021)The article results of experimental researches of rigidity of tootheds of a toothed belt within the limits of zones of a deficient profile gearing are presented by transmission of capacity.2021-12-03
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The strength and deformability of the large-format porous ceramic blocks masonry under shear
(BrSTU, 2021)The article presents the results of experimental studies of shear strength, shear modulus and the limit value of the angle of shear deformations of masonry made of porous ceramic blocks with groove connection system of vertical joints. Studies of these parameters were carried out by the method of ...2021-12-03
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Optimisation of the design of the basic elements of the bearing system of a heavy CNC machining centre
(BrSTU, 2021)By the example of a three-dimensional model of the bearing system of a heavy multipurpose CNC machine, the influence on the deformation displacements of the structural design of the basic elements, the location of the supports is considered, which made it possible to identify weak points in the structure ...2021-12-03
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The use of artificial neural network models in the acoustic diagnostics of multi-shaft gear drives
(BrSTU, 2021)The article considers the possibility of diagnosing a multi-shaft gear mechanical system based on the analysis of an acoustic signal using artificial neural network models on the example of the speed box of the SN-501 lathe. A sufficiently high efficiency and accuracy of detecting a local defect of ...2021-12-03
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The tribotechnical characteristics of diamond-like coatings formed by hybrid technology
(BrSTU, 2021)The use of low temperatures to improve the performance of steel products is a widely used technology in mechanical engineering. Another direction of increasing the efficiency of machine parts and mechanisms is the creation of thin-layer systems using vacuum technologies. The combination of these ...2021-12-03
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Research of dynamic characteristics of power transfers by frictional type flexible link
(BrSTU, 2021)Functioning of power transfer by flexible link of frictional type in conditions of a dynamic loading is theoretically described. Small motions of power transfer by flexible link of frictional type which allows to forecast unstable transfer operating modes are presented. Experimental research in the ...2021-12-03
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Controller functions for adaptive compensation system reactive power
(BrSTU, 2021)The article is devoted to the construction of a controller algorithm as part of an adaptive reactive power compensation system. To construct the structure of a system with a controller, a reactive power compensator circuit with an analog calculation of the capacitance of capacitors was selected. The ...2021-12-03
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The research into thermal and energy characteristics of a plasmаtron for obtaining hydrogen low temperature plasma
(BrSTU, 2021)The article presents the results of experimental research of voltampere characteristics, thermal fluxes into the plasmatron elements, electrode erosion, thermal efficiency of a hydrogen plasmatron in the wide range of parameters. Has been developed an original construction of a plasmatron for obtaining ...2021-12-03
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Rain surface runoff modeling using cellular automaton
(BrSTU, 2021)The numerical solution of a system of two-dimensional shallow water (Saint-Venant) differential equations in partial derivatives for modeling the dynamics of surface runoff using digital elevation models obtained by laser altimetry leads to a significant increase in the computational load on the ...2021-12-03
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Estimation of operational efficiency of fixed and solar tracking PV systems in Belarus climate
(BrSTU, 2021)The authors of the article estimate a feasibility of utilizing solar power facilities on the territory of Belarus. They calculate total values of solar radiation under ideal weather conditions and make conclusions about operational efficiency of fixed and tracking PV systems.2021-12-03
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Ecological features of pile works in construction
(BrSTU, 2021)This article shows ecological features of pile works (provided with tables and figures) including pile works for driven piles. The most unfavorable features of pile works are noise and vibrations. Maximum permissible value of noise and vibrations are often exceeded during pile works. It causes growth ...2021-12-03
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Analysis of the strain-stress state of the bend-ing continuous RC-beams with hybrid reinforcement in the tensile zone under intermediate support
(BrSTU, 2021)The article considers the proposed model describing the stress-strain state of bent statically indeterminate reinforced concrete beams with combined reinforcement (the joint arrangement of metal and composite rods) of the stretched zone of the central support section, based on the positions of the ...2021-12-03
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Statistical assessment of the runoff time series homogeneity of the rivers in Belarus
(BrSTU, 2021)The article considers the need to evaluate the homogeneity of hydrological series using several statistical criteria, since the effectiveness of methods for testing homogeneity depends on the distribution of data. In addition to the officially recommended statistical parametric Student and Fisher ...2021-12-03
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Innovative technologies in management municipal solid waste in the Republic of Belarus
(BrSTU, 2021)The article is devoted to the problems of solid municipal waste management in the Republic of Belarus. The importance of finding innovative approaches to waste management due to the growing environmental, economic and social problems in society with an increase in the volume of generated waste is ...2021-12-03
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Definition of conditions for sustainable development of the enterprise
(BrSTU, 2021)The sustainable development of the national economy directly depends on the sustainable development of all industries, which, in turn, are formed from the development of each, separately taken enterprise - the main reproductive link. Under the influence of the factors of the business environment, the ...2021-12-03
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Spatial development of territories: cross-border aspect
(BrSTU, 2021)The work assesses innovative processes as the basis of spatial development of territories. Activating innovative processes that contribute to the development of regions. The characteristics of forms and factors of cross-border cooperation are given. The transport industry and construction have been ...2021-12-03
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Method for selecting a costeffective option of the sequence of construction of buildings and structures in a complex
(BrSTU, 2021)When developing a justification for investment in the construction of facilities in accordance with regulatory documents, alternative studies and calculations should be carried out in order to determine the effectiveness of investments. This article offers a method for assessing the economic efficiency ...2021-12-03
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Stabilization of logistics functions in the risk management of regional logistics systems on the principles of the international standard
(BrSTU, 2021)The issues of stabilization of logistics functions in the risk management of regional logistics systems are based on the principles of the international standard. Logistics functions are presented as special management functions. The stages and components of the monitoring system of the logistics ...2021-12-03
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Investment priorities during the pandemic
(BrSTU, 2021)The work analyzes investment activity in the context of the COVID-19 pandemic that caused the global economic crisis. It is concluded that the pandemic has become a catalyst for the digitalization of the world economy. Both countries and businesses that quickly adapt to new conditions will be the ...2021-12-03
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On the issue of increasing the reliability of determining the modulus of the general soil deformation
(BrSTU, 2021)The reliability of determining the modulus of general soil deformation directly affects the forecast of the final foundation settlement. Since the calculation of the 2-group ultimate conditions of the foundation bases is crucial in determining the size of the foundations, the solution of this issue ...2021-12-03
