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Journal of Siberian Federal University: Engineering & Technologies最新文献

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Heat Exchange Modeling in Cooling Fins 冷却翅片中的热交换模型
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0255
E. Vasil'ev
{"title":"Heat Exchange Modeling in Cooling Fins","authors":"E. Vasil'ev","doi":"10.17516/1999-494x-0255","DOIUrl":"https://doi.org/10.17516/1999-494x-0255","url":null,"abstract":"The article discusses the process of heat exchange of a finned wall with a coolant. The temperature field in the wall volume was determined on the basis of a numerical solution of the twodimensional heat conduction problem, and the analysis of the characteristics of temperature distributions was carried out according to the simulation results. The values of the heat transfer coefficient of cooling fins with rectangular cross section were calculated for two variants of heat transfer conditions at the end of the fins in a wide range of dimensionless parameters. The error in calculating the heat transfer coefficient in the approximation of a thin fin was determined by means of a one-dimensional computational model.","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"7 12","pages":"669-676"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91485539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Risk Assessment of Renewable Energy Generation Systems Projects 可再生能源发电系统项目风险评估
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0259
V. Tremyasov, Yana E. Zograf, T. Krivenko
{"title":"Risk Assessment of Renewable Energy Generation Systems Projects","authors":"V. Tremyasov, Yana E. Zograf, T. Krivenko","doi":"10.17516/1999-494x-0259","DOIUrl":"https://doi.org/10.17516/1999-494x-0259","url":null,"abstract":"The operation of renewable energy generation systems is associated with various risks. Risk analysis is part of a systematic approach to making technical decisions to prevent or reduce the risk of industrial accidents, damage to property and the environment. When evaluating the effectiveness of investment projects with renewable energy sources, risk assessment is carried out with uncertainty of information about the conditions of project implementation, including associated costs and economic losses. This article proposes a quantitative risk assessment method using cause – consequence diagrams, which are combined event trees and fault trees, on the example of the wind power installation NordWind (Germany)","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"7 1","pages":"702-711"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78463481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Algorithms for Creating the Digital Twin of a Distributed Generator 创建分布式发电机数字孪生的算法
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0256
Yu. N. Bulatov, A. Kryukov
{"title":"Algorithms for Creating the Digital Twin of a Distributed Generator","authors":"Yu. N. Bulatov, A. Kryukov","doi":"10.17516/1999-494x-0256","DOIUrl":"https://doi.org/10.17516/1999-494x-0256","url":null,"abstract":"The article describes the concept of a digital twin of a distributed generator (DG) implemented on the basis of a salient-pole synchronous generator. The structure of the digital twin is presented in the form of a hierarchical fuzzy model built on the experimental data. For building fuzzy models of individual elements and links of a generator, software algorithms for optimization of the membership functions of term sets and the numbers of knowledge base rules are proposed. The results of experiments on obtaining an optimized neuro-fuzzy model for regulating the rotation speed of the generator rotor are presented. A comparative analysis of the oscillograms of the output signal of the optimized fuzzy model showed a sufficiently high accuracy when using the subtractive clustering method to build a fuzzy logic system. This approach made it possible to significantly reduce the number of term sets and the amount of the fuzzy model rules. The proposed algorithms can be used in further research aimed at industrial implementation of DG digital twins, as well as for solving the problem of tuning automatic regulators of low-power synchronous generators","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"6 1","pages":"677-689"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90083150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exergetic Analysis of Cogeneration Energy Sources 热电联产能源的火用分析
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0257
D. Bibikov, Anton K. Poley, A. V. Kulik
{"title":"Exergetic Analysis of Cogeneration Energy Sources","authors":"D. Bibikov, Anton K. Poley, A. V. Kulik","doi":"10.17516/1999-494x-0257","DOIUrl":"https://doi.org/10.17516/1999-494x-0257","url":null,"abstract":"Abstract. This article discusses the method of thermal and exergetic analysis of cogeneration energy sources on the example of the gas turbine unit LM6000PF (GTU-CHPP «Vostochnaya»). The purpose of the conducted exergetic analysis is to determine the most advantageous method for evaluating the performance of equipment in terms of thermodynamic efficiency. The comparison of GTU efficiency values obtained by calculation using the methods of thermal and exergetic analysis is performed. A special feature of the exergetic analysis is the use of an additional indicator as exergy along with energy indicator. In the analysis, the efficiency of using the energy of the fuel burned in the GTU combustion chamber and the working bodies of the gas cycle for the production of electrical and thermal energy is assessed by comparing the actually accomplished work with the exergy of the process.","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"56 1","pages":"690-701"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76548565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of Operational Reliability Indicators of Mine Hydraulic Excavators 矿用液压挖掘机运行可靠性指标评估
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0263
V. Moskvichev, M. A. Kovalev
{"title":"Assessment of Operational Reliability Indicators of Mine Hydraulic Excavators","authors":"V. Moskvichev, M. A. Kovalev","doi":"10.17516/1999-494x-0263","DOIUrl":"https://doi.org/10.17516/1999-494x-0263","url":null,"abstract":"The results of the reliability indicators study of mine hydraulic excavators in the coal mine «Kolyvansky» of JSC «Siberian Anthracite» are presented. The analysis of the reliability indicators changes of the main equipment assemblies and excavators in general is performed. Quantitative values of the random variables have been determined, and the effectiveness of the existing system for collecting and analyzing information about the excavators reliability has been assessed. The rating of reliable hydraulic excavators in the coal mine «Kolyvansky» has been compiled","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"10 1","pages":"745-756"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75184434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temperature Dynamics Assessment of Agricultural Objects Based on Unmanned Aircraft Data 基于无人机数据的农业目标温度动态评估
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0264
D. Emelyanov, I. Botvich, N. O. Malchikov, A. Shevyrnogov
{"title":"Temperature Dynamics Assessment of Agricultural Objects Based on Unmanned Aircraft Data","authors":"D. Emelyanov, I. Botvich, N. O. Malchikov, A. Shevyrnogov","doi":"10.17516/1999-494x-0264","DOIUrl":"https://doi.org/10.17516/1999-494x-0264","url":null,"abstract":"During the study, the spatial and temporal distribution of radiant temperature of agricultural fields has been made. The object of the study is agricultural fields (barley, oats, fallow field, perennial grasses (Onobrychis)), located on the territory of the Krasnoyarsk Research Institute of Agriculture of the FRC KSC SB RAS near the village of Minino (Central Siberia, Krasnoyarsk region). The radiant temperature measurement of objects surface was taken by the ZENMUSE XT2 camera installed on the unmanned aircraft DJI Matrice 210 RTK V2. The spatial resolution of the obtained thermal maps is 12 – 14 cm. The state of the objects (the presence of vegetation cover) was assessed using the NDVI values obtained from the PlanetScope satellite data with a spatial resolution of 3 meters. It was established that the presence of plants and the size of their projective cover are decisive in the formation of soil cover temperature conditions. The growth and development of the vegetation cover, its height and closeness, change the temperature regime conditions. Instead of a soil, vegetation cover becomes an active surface. The thermal maps (spatial distribution of radiant temperature) of the agricultural land surface has been carried out, which makes it possible to assess the in-field temperature heterogeneity of the objects","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"24 1","pages":"757-765"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75376734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Possibility of Using Fine Coal Waste of the Processing Plant «Energeticheskaya» as a Basis for Boiler Fuel 论利用“Energeticheskaya”加工厂的细煤渣作为锅炉燃料基础的可能性
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0254
V. Murko, V. I. Fedyaev, V. I. Karpenok, Andrey E. Shanshin, Amir T. Mukhtarov
{"title":"On the Possibility of Using Fine Coal Waste of the Processing Plant «Energeticheskaya» as a Basis for Boiler Fuel","authors":"V. Murko, V. I. Fedyaev, V. I. Karpenok, Andrey E. Shanshin, Amir T. Mukhtarov","doi":"10.17516/1999-494x-0254","DOIUrl":"https://doi.org/10.17516/1999-494x-0254","url":null,"abstract":"The article presents the results of experimental tests of the preparation and combustion of CWF obtained on the basis of finely dispersed waste of coal enrichment (filter cake) of the PP «Energeticheskaya» of the branch «Kaltansky Coal Mine» of the Kuzbassrazrezugol Management Company JSC, at the KuzGTU demonstration semi-industrial stand. The tests carried out have shown that on the basis of the RP filter cake, it is possible to prepare a suspension coal-water fuel with structural-rheological and thermophysical characteristics that ensure efficient combustion of the obtained CWF. For fuel combustion, a boiler with a heating capacity of 0.63 MW with a vortex adiabatic furnace was used. The results obtained confirmed the real possibility of industrial use of the developed technology for the utilization of TDOU in the form of VUT at boiler houses, mini-thermal power plants, state district power stations and other heat-generating installations.","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"16 1","pages":"657-668"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83345822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance Indicators of Vehicle Use in the Transportation Process 运输过程中车辆使用的性能指标
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0265
Khalikhul Sh. Choriev
{"title":"Performance Indicators of Vehicle Use in the Transportation Process","authors":"Khalikhul Sh. Choriev","doi":"10.17516/1999-494x-0265","DOIUrl":"https://doi.org/10.17516/1999-494x-0265","url":null,"abstract":"Abstract. The article deals with the connection with the complexity of the design of the car, the diversity of some of its properties and design features, as well as their various combinations and dependences on the operating conditions and type of transportation, because it is difficult to evaluate the car by means of one general indicator. Therefore, in this article, the recommended car quality has been determined by the complex of its most indicative operational properties: capacity using mass, speed, passing ability, safety, etc.","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"8 1","pages":"766-771"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81386173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Assessment of the Operational State of Traction Power Transformers by means of Decision Tables with Fuzzy Input Parameters 基于模糊输入参数决策表的牵引电力变压器运行状态评估
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-09-01 DOI: 10.17516/1999-494x-0261
V. Tremyasov, V. G. Belov
{"title":"The Assessment of the Operational State of Traction Power Transformers by means of Decision Tables with Fuzzy Input Parameters","authors":"V. Tremyasov, V. G. Belov","doi":"10.17516/1999-494x-0261","DOIUrl":"https://doi.org/10.17516/1999-494x-0261","url":null,"abstract":"The paper deals with the decision tables method in order to assess the state of traction substation transformers and to make control decisions. This approach allows us to evaluate the state of a substation power transformer with the changes in diagnostic parameters that were determined by means of a fuzzy set theory","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88691713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alternative and Transitional Energy Sources for Urban Transport 城市交通的替代能源和过渡能源
Journal of Siberian Federal University: Engineering & Technologies Pub Date : 2020-08-01 DOI: 10.17516/1999-494x-0248
D. Rozhko
{"title":"Alternative and Transitional Energy Sources for Urban Transport","authors":"D. Rozhko","doi":"10.17516/1999-494x-0248","DOIUrl":"https://doi.org/10.17516/1999-494x-0248","url":null,"abstract":"In urban areas, the transport sector is one of the main sources of significant energy consumption and carbon emissions. Although diesel and gasoline are still the main sources of energy used in urban transport, more and more attention is now being paid to alternative and transitional sources of energy, as they are renewable and have less negative impact on the environment. However, the successful use of alternative energy sources can be hindered by various technical, economic and political factors. This article discusses the latest literature on alternative and transitional energy sources in order to understand the possibility of their use in urban transport at present, as well as the possibility of introducing these sources in the future.","PeriodicalId":17206,"journal":{"name":"Journal of Siberian Federal University: Engineering & Technologies","volume":"58 1","pages":"586-596"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90339911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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