Lutsenko 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 , proEdeleva 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 , optimizatiPostnikov I., Stennikov V., Penkovskii A. Prosumer in the district heating systems: Operating and reliability modeling // Energy Procedia. Vol.158. 2019. P.2530-2535. DOI: 10.1016/j.egypro.2019.01.411 The paper considers two problem in the framework of researches the prosumers in district heating systems. The first problem is the load distribution in the district heating systems with prosumers. The research suggests a bi-level model for solving this problem to determine an optimal balance between...
Теги: bi-level programming , district heating system , heat prosumer , nodal reliability indices , optimal operating , reliability ensuring , district heating , heating equipment , hydraulic equipment , hydraulic machinery , random processes , reliability , optimal operatiPostnikov 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 distriMikhailovsky 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 , coKaganovich B.M., Stennikov V.A., Zarodnyuk M.S., Yakshin S.V. Conventional Hydraulic Circuits in an Analysis of Environmental Issues // E3S Web of Conferences. Vol.69. ID: 02003. 2018. DOI: 10.1051/e3sconf/20186902003 The paper addresses the problems of conventional circuit modeling in an analysis of anthropogenic pollution of nature. A joint use of two types of models is proposed: 1) a model of conventional hydraulic circuits and 2) a model of extreme intermediate states developed by Melentiev...
Теги: circuit simulation , electric power transmission networks , fuels , hydraulic equipment , hydraulic machinery , phase transitions , pollution , smart power grids , statistical mechanics , thermodynamics , timinPostnikov 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 , optimPenkovsky 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 , probabilistic
