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Optimization of hydraulic modes of distribution heat networks by dynamic programming

Lucenko 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 programming
Раздел: ИСЭМ СО РАН
Optimization of reliability parameters structure for district heating systems

Postnikov 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 , pipelin
Раздел: ИСЭМ СО РАН
Placement of measurements for electrical distribution network state estimation

Golub 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
Раздел: ИСЭМ СО РАН
Planning of heat supply of territories: Model and algorithms

Mednikova 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 equipment
Раздел: ИСЭМ СО РАН
Planning of thermal-hydraulic tests of pipeline systems with the methods of active identification

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 , pote
Раздел: ИСЭМ СО РАН
Probabilistic modeling of hydraulic conditions of tree pipeline networks under conventional boundary conditions

Vanteeva 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 , probabilistic
Раздел: ИСЭМ СО РАН
Quantitative assessment of the identifiability of pipeline systems

Novitsky 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 analysis
Раздел: ИСЭМ СО РАН
Search for an equilibrium between heat demand and supply in heating systems under a unifiedheat supply organization

Penkovsky 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 , setting
Раздел: ИСЭМ СО РАН
Mathematical Modeling of the Heat Energy Market on a Single Heat Supplier Basis

Penkovskii 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 , engin
Раздел: ИСЭМ СО РАН
Methodology for optimization of component reliability of heat supply systems

Postnikov 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
Раздел: ИСЭМ СО РАН


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