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Optimization of hydraulic modes of single-source tree-like heat networks

... 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 allows using ...

Теги: computational efficiency , hydraulic equipment , pipelines , computational experiment , design scheme , fixed flow , heat sources , heat supply systems , pumping stations , single source , target functions , pro
Раздел: ИСЭМ СО РАН
Unified heat supply organization: Mathematical modeling and calculation

Penkovskii A., Stennikov V., Postnikov I. Unified heat supply organization: Mathematical modeling and calculation // Energy Procedia. Vol.158. 2019. P.3439-3444. DOI: 10.1016/j.egypro.2019.01.930 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 into account energy...

Теги: equilibrium , heat market , heat supply system , liberalization , monopoly , optimization , commerce , phase equilibria , engineering constraints , heat supply systems , modeling and calculations , monopolistic markets , organizational modeling
Раздел: ИСЭМ СО РАН
Features of heat energy supply of the Republic of Sakha (Yakutia) northern regions

... housing, and the provision of customers with heat and hot-water supply. The logistics complexity when delivering fuel with possible long transfers affects the fuel cost and quality, and, eventually, the thermal energy cost. Developing and upgrading the heat supply systems in the Republic's northern uluses (districts) is feasible only at a complex development of these territories by involving major investment into the development of mineral deposits. © 2019 The Authors, published by EDP Sciences. нет

Теги: energy policy , mineral resources , sales , water supply , far north , fuel cost , heat energy , heat supply , heat supply systems , hot-water supply , northern regions , population variation , investments
Раздел: ИСЭМ СО РАН
Модифицированный метод динамического программирования для оптимизации гидравлических режимов распределительных тепловых сетей

Луценко А.В., Новицкий Н.Н. Модифицированный метод динамического программирования для оптимизации гидравлических режимов распределительных тепловых сетей // Вычислительные технологии. Т.23. №6. 2018. C.47-63. DOI: 10.25743/ICT.2018.23.6.006 Предложена оригинальная модификация метода динамического программирования, предназначенная для оптимизации гидравлических режимов распределительных тепловых сетей, опирающаяся на специальные свойства задачи. Продемонстрировано, что предложенная модификация метода...

Теги: теплоснабжающие системы , распределительные тепловые сети , гидравлический режим , оптимизация , heat supply systems , distribution heating networks , hydraulic mode , optimization
Раздел: ИСЭМ СО РАН
Optimization of the reliability of heat supply with an active consumer

Postnikov 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 distri
Раздел: ИСЭМ СО РАН
Analysis and synthesis of regime controllability of heat supply systems

Shalaginova Z. Analysis and synthesis of regime controllability of heat supply systems // MATEC Web of Conferences. Vol.212. ID: 02001. 2018. DOI: 10.1051/matecconf/201821202001 A mathematical model of the heat and hydraulic regimes (HHR) of the heat supply system (HPS) is given in time, taking into account the transport ...

Теги: additional control , analysis and synthesis , consumer security , control actions , heat supply systems , hydraulic regimes , intermediate stage , transport delay , investments
Раздел: ИСЭМ СО РАН
Optimization of the district heating zones

....1051/matecconf/201821202005 A method for determining the optimal action zones of the centralized sources of thermal energy is developed using the calculation of the effective heat supply radius of consumers. The methodology allows to take into account the features of heat supply systems' functioning, their technical and economic indicators, the uneven distribution of heat loads throughout the city, and limitations on the reliability of the system. Practical implementation of the proposed methodology on the scheme ...

Теги: district heating , economics , economic indicators , heat supply , heat supply systems , optimal actions , optimal flows , reliability requirements , investments
Раздел: ИСЭМ СО РАН
The method of adjustment of heat supply systems with the multistage temperature control at pumping stations

Tokarev V., Novitsky N. The method of adjustment of heat supply systems with the multistage temperature control at pumping stations // MATEC Web of Conferences. Vol.212. ID: 02006. 2018. DOI: 10.1051/matecconf/201821202006 The lowering of the temperature graph in the lower-level heat networks is often ...

Теги: investments , mixer circuits , mixing , pumping plants , computational process , computational schemes , heat supply systems , iterative calculation , method of adjustments , temperature conditions , temperatur
Раздел: ИСЭМ СО РАН
The Development of a Method for Calculating the Nodal Prices of the Thermal Energy by Modeling the Thermal and Hydraulic Regimes of the Heat Supply Systems for Solving Control and Optimization Problems

Shalaginova Z.I. The Development of a Method for Calculating the Nodal Prices of the Thermal Energy by Modeling the Thermal and Hydraulic Regimes of the Heat Supply Systems for Solving Control and Optimization Problems // Thermal Engineering . Vol.65. No.10. 2018. P.756-767. DOI: 10.1134/S0040601518100075 The article deals with the issues of energy saving and increasing the efficiency of thermal energy....

Теги: calculation method , differential nodal prices , heat supply networks , heat supply systems , mathematical modeling , thermal energy rates , thermohydraulic regimes , energy conservation , energy transfer , heat transfer , hydraulic models , mathematical models , mul
Раздел: ИСЭМ СО РАН
Generalization of multi-level modeling methods for development and analysis of operating conditions of large heat supply systems

Shalaginova 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 ...

Теги: hydraulic equipment , hydraulic machinery , pipelines , calculation scheme , heat supply systems , hydraulic circuits , multilevel model , multilevels , operating condition , thermal-hydraulic calculations , th
Раздел: ИСЭМ СО РАН


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