Alekseev A., Mikhailovsky E. Problems and technologies of remote access to unified information space of urban pipeline systems // E3S Web of Conferences. Vol.102. ID: 04002. 2019. DOI: 10.1051/e3sconf/201910204002 The paper presents the experience of applying modern information technologies while operating the urban pipeline systems. Consideration is given to the main problems interfering with ensuring the efficient modes of pipeline systems operation that are caused by uncertainty and inconsistency...
Теги: digital devices , hydraulic equipment , mobile telecommunication systems , pipelines , piping systems , problem solving , scada systems , water pipelines , information spaces , mobile communication devices , moBarakhtenko E., Sokolov D., Tashlykova V. Modeling of a prosumer in optimal design energy systems problem // E3S Web of Conferences. Vol.102. ID: 02001. 2019. DOI: 10.1051/e3sconf/201910202001 The conversion of existing energy systems to intelligent integrated energy systems can happen only if economic benefits due to introduction of the intelligent integrated energy systems will exceed required level of investments. Thus, it is necessary for every optimal design energy systems problem according...
Теги: boilers , cost effectiveness , energy efficiency , energy resources , hydraulic equipment , hydraulic machinery , optimal systems , pipelines , solar heating , cost effectiveness analysis , district energy systAlekseev A.V. Study of the forecasting problem of energy consumption of water pumping station // E3S Web of Conferences. Vol.102. ID: 03001. 2019. DOI: 10.1051/e3sconf/201910203001 The article describes the study of the energy consumption forecasting of city water pumping station. The review of the existing approaches for technical systems energy consumption forecasting is made. The shot description of the studied object properties including hourly energy consumption is presented. Two often used...
Теги: energy utilization , hydraulic equipment , pipelines , pumping plants , regression analysis , exponential smoothing , forecasting methods , forecasting problems , moving average method , object property , techn... with the issues devoted to reliability studies of gas distribution systems for complex energy supply of large industrialized areas. Given is a brief review of the reliability assessment methods, existing models for reliability assessment of the main pipelines, and their implementation. Special attention is paid to such reliability-specific properties as failure-free operation and maintainability of the elements constituting the gas distribution systems (linear sections and booster stations). These ...
Теги: energy resources , gases , hydraulic equipment , pipelines , analytical method , failure and recoveries , failure-free operations , gas distribution , integral indicators , linear sections , reliability assessmIlkevich N.I., Dzyubina T.V., Kalinina Z.V. Innovative transformations of a model for flow distribution in gas systems and their new properties // E3S Web of Conferences. Vol.102. ID:148852. 2019. DOI: 10.1051/e3sconf/201910202004 The methods of network analysis are widely used in mathematical modelling of optimal gas flows to solve the problems of long-term planning and development of gas systems. However, the modern development of gas systems, their renovation and modernization require that the...
Теги: flow of gases , hydraulic equipment , mathematical transformations , pipelines , flow distribution , gas supply system , gas systems , long term planning , modern development , renovation and modernization , trGrebneva O.A. Study of the measurements placement problem for planning of the optimal experiment // E3S Web of Conferences. Vol.102. ID: 03006. 2019. DOI: 10.1051/e3sconf/201910203006 Both in Russia and abroad, there are works that are devoted to the problem of optimal placement of measuring devices, which are evidenced by the current literature. The proposed methods are not universal, that does not allow them to be directly used for different types of pipeline systems. In addition, the developed...
Теги: hydraulic equipment , numerical methods , pipelines , piping systems , water pipelines , finite number , global solutions , mathematical formulation , measuring device , optimal experiments , optimal placementsEdeleva O.A., Barakhtenko E.A., Sokolov D.V. Methods of redundant schemes and software for optimization of heat source structure // E3S Web of Conferences. Vol.102. ID: 02003. 2019. DOI: 10.1051/e3sconf/201910202003 The optimization of heat sources in populated areas is associated with the optimization of their structure. The optimization problem is of linear discrete nature and is hard to formalize [1]. The aim of the optimization is to identify the types, sites and mix of equipment of the heat...
Теги: environmental impact , hydraulic equipment , hydraulic machinery , pipelines , load distributions , mathematical formulation , methodological approach , network configuration , optimal development , optimizatiTokarev V.V., Shalaginova Z.I. Development of operating conditions of district heating systems with quality regulation // E3S Web of Conferences. Vol.102. ID: 03011. 2019. DOI: 10.1051/e3sconf/201910203011 District heating systems (DHS) have developed as large-scale and very complex engineering structures. In different countries of the world, are used various strategies of their regulation: by quality, by quantity, by combining of quality and quantity. The purpose of the operating conditions development...
Теги: heating equipment , hydraulic equipment , pipelines , complex engineering , design scheme , development technology , district heating system , operating condition , operating regimes , quality regulation , therLutsenko A.V., Novitsky N.N. Optimization of hydraulic modes of single-source tree-like heat networks // E3S Web of Conferences. Vol.102. ID: 03008. 2019. DOI: 10.1051/e3sconf/201910203008 The article deals with the problem of optimizing the hydraulic modes of radial heat supply systems with a single heat source and pumping stations. The features of the problem under consideration are the presence of several target functions and a fixed flow distribution. The topology of the networks under consideration...
Теги: computational efficiency , hydraulic equipment , pipelines , computational experiment , design scheme , fixed flow , heat sources , heat supply systems , pumping stations , single source , target functions , proTokarev V.V., Alekseev A.V., Shalaginova Z.I. Efficiency increasing by development of district heating systems operational modes using graphical analysis // E3S Web of Conferences. Vol.102. ID: 04003. 2019. DOI: 10.1051/e3sconf/201910204003 The tasks of analyzing, developing and justifying of the district heating systems (DHS) operation modes arise at different stages of their life cycle. The article provides a brief description of the tasks, steps and methods for calculating and analyzing DHS modes...
Теги: district heating , efficiency , heating equipment , hydraulic equipment , life cycle , pipelines , analysis process , different stages , district heating system , graphical analysis , graphical visualization , i
