Grebneva O.A. Planning of thermal-hydraulic tests of pipeline systems with the methods of active identification // E3S Web of Conferences. Vol.39. ID: 03002. 2018. DOI: 10.1051/e3sconf/20183903002 The lack of reliable information about actual characteristics and parameters is the main deterrent to the effective application of mathematical and computer-modelling methods for solving problems of optimal reconstruction, adjustment, development of operational condition, dispatching control of pipeline...
Теги: computer control systems , hydraulic equipment , pipelines , piping systems , problem solving , water pipelines , arbitrary structures , computer modelling , dispatching controls , operational conditions , poteMednikova E.E. Planning of heat supply of territories: Model and algorithms // E3S Web of Conferences. Vol.39. ID: 02001. 2018. DOI: 10.1051/e3sconf/201839012001 The choice of direction of heat supply systems development in cities is an important task for the authorities, district heating companies and consumers. The author focuses on two main problems in heat supply development questions: territory zoning by type of heat supply and determination of economically feasible heat supply systems sizes...
Теги: pipelines , district-heating companies , heat supply , heat supply systems , model and algorithms , hydraulic equipmentGolub I., Kuzkina Y. Placement of measurements for electrical distribution network state estimation // E3S Web of Conferences. Vol.39. ID: 03001. 2018. DOI: 10.1051/e3sconf/201839013001 The paper is concerned with the problem of placement of the minimum number of smart meters to ensure either the observability of all state variables in distribution network or the observability of voltage magnitudes. Voltage control is important in the distribution network with distributed generation sources which...
Теги: estimation , hydraulic equipment , observability , pipelines , smart meters , state estimation , active distribution networks , distributed generation source , electrical distribution networks , linear state ePostnikov I.V. Optimization of reliability parameters structure for district heating systems // E3S Web of Conferences. Vol.39. ID: 02002. 2018. DOI: 10.1051/e3sconf/201839012002 The problem of reliability parameters distribution on the district heating system's scheme is considered. This is one of important part of the general problem of optimal synthesis of district heating systems and is urgent for both the systems under design and the existing insufficiently reliable systems. The concept of...
Теги: component reliability , district heating system , failure and restoration rates , markov random process , nodal reliability indices , reliability optimization , district heating , heat storage , heating equipment , hydraulic equipment , hydraulic machinery , pipelinLucenko A.V. Optimization of hydraulic modes of distribution heat networks by dynamic programming // E3S Web of Conferences. Vol.39. ID: 03003. 2018. DOI: 10.1051/e3sconf/20183903003 An original modification of the dynamic programming method is proposed, which is designed to optimize the hydraulic modes of distribution heat networks, based on special properties of the problem. It is demonstrated that the proposed modification of the dynamic programming method has a high computational efficiency...
Теги: computational efficiency , hydraulic equipment , pipelines , continuous optimization , dynamic programming methods , special properties , dynamic programmingAlekseev A.V., Novitsky N.N. Information and computing spaces integration for operating enterprises of pipeline systems using ""ANGARA"" computer technology // E3S Web of Conferences. Vol.39. ID: 04001. 2018. DOI: 10.1051/e3sconf/20183904001 The article describes the informatization level of enterprises operating pipeline networks. Existing problems are presented. These problems are related to the fragmentation of information systems and the inability to provide information support...
Теги: computer operating systems , decision making , hydraulic equipment , pipelines , piping systems , water pipelines , common information spaces , computer environments , computer technology , development and opeAlekseev A.V. Improving of the quality and reliability of water supply systems on the basis of modern information and computing technologies // E3S Web of Conferences. Vol.39. ID: 04003. 2018. DOI: 10.1051/e3sconf/20183904003 The article deals with the issues of increasing the reliability and quality of water supply systems operation on the basis of modern methods and software complexes for the analysis and development of hydraulic conditions. Against the backdrop of the analysis of the literature...
Теги: application programs , hydraulic equipment , pipelines , reliability analysis , software reliability , water quality , water supply , water supply systems , common information spaces , computing technology , daShalaginova Z.I., Tokarev V.V. Generalization of multi-level modeling methods for development and analysis of operating conditions of large heat supply systems // E3S Web of Conferences. Vol.39. ID: 01003. 2018. DOI: 10.1051/e3sconf/20183901003 The paper presents a methodology of multi-level modeling of thermal-hydraulic conditions of large heat supply systems on the basis of the scientific area of research - the theory of hydraulic circuits - that has been developed at MESI SB RAS. The essentials...
Теги: hydraulic equipment , hydraulic machinery , pipelines , calculation scheme , heat supply systems , hydraulic circuits , multilevel model , multilevels , operating condition , thermal-hydraulic calculations , thPenkovskii A.V., Stennikov V.A. Mathematical Modeling of the Heat Energy Market on a Single Heat Supplier Basis // Thermal Engineering . Vol.65. No.7. 2018. P.443-452. DOI: 10.1134/S0040601518070078 Organizational models of the heat energy market on a Single Heat Supplier basis (SHS) operating in free (liberalized) and regulated tariff environments are considered. An equilibrium mathematical model is proposed for the liberalized tariff setting conditions based on a microeconomic monopolistic market...
Теги: heat energy market , heat supply , mathematical modeling , optimization , single heat supplier , circuit theory , commerce , costs , hydraulic equipment , hydraulic machinery , iterative methods , mathematical models , solar buildings , economic characteristics , enginPostnikov I.V., Stennikov V.A., Mednikova E.E., Penkovsky A.V. Methodology for optimization of component reliability of heat supply systems // Applied Energy. In press. 2017. DOI: 10.1016/j.apenergy.2017.11.073 The paper suggests a methodology to determine optimal reliability parameters (failure and restoration rates) of heat supply system components, which provide the required level of heat supply reliability. The methodological approach consists in the economically rational distribution of the...
Теги: component reliability , failure and restoration rates , heat supply system , markov random process , nodal reliability indices , reliability optimization , failure analysis , heat storage , heat transfer , hydraulic equipment , hydraulic machinery , iterative method
