Mikhailovsky Y. Modelling hydraulic regimes of pipeline systems using the theory of hydraulic circuits in the Internet // MATEC Web of Conferences. Vol.212. ID: 06006. 2018. DOI: 10.1051/matecconf/201821206006 Along with a brief description of the main problems of pipeline systems (water, gas, heat, fire extinguishing), it is claimed that the energy and resource saving reserves available here can, to a large extent, be implemented through the rational organization of hydraulic operating modes using...
Теги: computation theory , computer operating systems , fire extinguishers , hydraulic equipment , hydraulic machinery , pipelines , piping systems , proven reserves , students , timing circuits , water pipelines , coPostnikov I., Penkovsky A. Optimization of the reliability of heat supply with an active consumer // MATEC Web of Conferences. Vol.212. ID: 02004. 2018. DOI: 10.1051/matecconf/201821202004 The paper formulates the problem of ensuring the reliability of the heat supply system due to the optimal distribution of reliability parameters in the system, including taking into account capabilities of an active consumer to replace part of the load with own sources of thermal energy. Methods and models for...
Теги: computation theory , hydraulic equipment , hydraulic machinery , investments , random processes , reliability , computational experiment , heat supply , heat supply systems , hydraulic circuits , optimal distriPostnikov I., Stennikov V., Penkovskii A. Optimization of joint operation of district and distributed heat sources for effective and reliable heat supply to consumers // E3S Web of Conferences. Vol.58. ID: 01014. 2018. DOI: 10.1051/e3sconf/20185801014 The problem of optimal load distribution between district and distributed heat sources (heat sources of prosumers) in the district heating systems are considered. The methodical approach and mathematical model for solving this problem are proposed...
Теги: district heating , hydraulic equipment , hydraulic machinery , distributed heat sources , district heating system , hydraulic circuits , industrial organization , joint operations , methodical approach , optimAlekseev 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 , daPenkovsky A.V. Search for an equilibrium between heat demand and supply in heating systems under a unifiedheat supply organization // E3S Web of Conferences. Vol.39. ID: 02003. 2018. DOI: 10.1051/e3sconf/201839012003 Organizational model of the heat energy market on a unified heat supply organization is considered. An equilibrium mathematical model is proposed for the liberalized tariff setting conditions based on a microeconomic monopolistic market model. This mathematical model allows for taking...
Теги: commerce , hydraulic equipment , pipelines , economic criteria , energy productions , engineering constraints , monopolistic markets , optimal solutions , organizational modeling , relaxation methods , settingNovitsky N.N., Grebneva O.A. Quantitative assessment of the identifiability of pipeline systems // E3S Web of Conferences. Vol.39. ID: 03004. 2018. DOI: 10.1051/e3sconf/20183903004 The article is devoted to the issues of quantitative assessment of the identifiability of the pipeline systems (heat, water, gas supply systems etc.). Identifiability is first considered as a complex property, including such particular properties as observability and parametric identifiability. A brief description of...
Теги: covariance matrix , hydraulic equipment , observability , piping systems , water pipelines , analytic expressions , analytical expressions , covariance matrices , estimated parameter , identifiability analysisVanteeva O.V. Probabilistic modeling of hydraulic conditions of tree pipeline networks under conventional boundary conditions // E3S Web of Conferences. Vol.39. ID: 01002. 2018. DOI: 10.1051/e3sconf/20183901002 The paper is concerned with the probabilistic modeling of pipeline network hydraulic conditions that occur due to random impacts of the external environment (load of consumers pressures at sources). The research is focused on a network with a tree configuration under conventional boundary...
Теги: boundary conditions , forestry , hydraulic equipment , monte carlo methods , numerical methods , pipelines , external environments , hydraulic conditions , network operations , pipeline networks , probabilisticGrebneva 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 e
