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An improved technique for identification of mathematical model parameters of thermal power equipment and assessment of its performance

Kler A., Alekseiuk V., Maksimov A. An improved technique for identification of mathematical model parameters of thermal power equipment and assessment of its performance // E3S Web of Conferences. Vol.114. ID: 06009. 2019. DOI: 10.1051/e3sconf/201911406009 The problems of state estimation of thermal power system operation and identification of mathematical model parameters have not been acceptably solved due to the complexity of studied objects and their mathematical models, and the lack of effective...

Теги: accuracy criterion , coal-fired generating unit , identification of parameters , mathematical modeling , measured control parameters , model adjustment , operation conditions , real-time control , relative di , construction equipment , electric load dispatching , ma
Раздел: ИСЭМ СО РАН
Influence of Coal-Biomass Fuel Composition on the Efficiency of its Conversion in Entrained-Flow Gasifiers

Donskoy I.G. Influence of Coal-Biomass Fuel Composition on the Efficiency of its Conversion in Entrained-Flow Gasifiers // Solid Fuel Chemistry. Vol.53. No.2. 2019. P.113-119. DOI: 10.3103/S0361521919020046 Abstract: Co-gasification process of coal and plant biomass mixtures in entrained flow of oxygen and steam was investigated using mathematical modelling. The calculated dependences of the process characteristics on the control parameters (such as fuel composition, gasification agent composition...

Теги: biomass , coal , entrained flow , gasification , mathematical modeling , efficiency , mathematical models , temperature , control parameters , effect of temperature , entrained flow gasifiers , fuel compositions , gasification process , process
Раздел: ИСЭМ СО РАН
Optimization studies of combined cycle plant with coal gasification and high temperature heated combustion air

Kler A.M., Marinchenko A.Y., Potanina Y.M. Optimization studies of combined cycle plant with coal gasification and high temperature heated combustion air // Bulletin of the Tomsk Polytechnic University, Geo Assets Engineering. Vol.330. No.3. 2019. P.7-17. DOI: 10.18799/24131830/2019/3/159 Relevance. Integrated gasification combined8cycle plants are considered as one of the promising directions for development of thermal power plants using fossil fuel. Interest in this area is explained by large...

Теги: air8blown gasification , high8temperature air heating , integrated gasification combined cycle , mathematical modeling , technical and economical optimization studies.
Раздел: ИСЭМ СО РАН
Reduced Order Modelling of Pulverized Coal Staged Gasification: Influence of Primary and Secondary Fuel Ratio

Donskoi I.G., Svichev D.A. Reduced Order Modelling of Pulverized Coal Staged Gasification: Influence of Primary and Secondary Fuel Ratio // Energy Systems Research. Vol.1. No.4. 2018. P.27-35. DOI: 10.25729/esr.2018.04.0003 The paper is concerned with the numerical simulation of the coal gasification process in an entrained flow of high-temperature air-steam mixture. Due to the high initial temperature and the process staging, it is possible to obtain an efficient gasification process. The study...

Теги: coal , staged gasification , mathematical modeling , reduced order modeling
Раздел: ИСЭМ СО РАН
Investigating the efficiency of a steam-turbine heating plant with a back-pressure steam turbine and waste-heat recovery

Kler A.M., Stepanova E.L., Maximov A.S. Investigating the efficiency of a steam-turbine heating plant with a back-pressure steam turbine and waste-heat recovery // Thermophysics and Aeromechanics. Vol.25. No.6. 2018. P.929-938. DOI: 10.1134/S0869864318060136 https://link.springer.com/article/10.1134%2FS0869864318060136 The article considers a promising steam-turbine heating plant, which includes a steam turbine with back pressure and a steam boiler operating on natural gas, with waste heat recovery...

Теги: steam-turbine heating plant , mathematical modeling , optimization , efficiency of heat power equipment , steam turbine with back pressure , waste-heat recovery
Раздел: ИСЭМ СО РАН
Квадратичные и кубичные полиномы Вольтерра: идентификация и приложение

Солодуша С.В. Квадратичные и кубичные полиномы Вольтерра: идентификация и приложение // Вестник Санкт-Петербургского университета. Прикладная математика. Информатика. Процессы управления. Т.14. №2. 2018. C.131-144. DOI: 10.21638/11702/spbu10.2018.205 Центральная проблема при построении математической модели нелинейной динамической системы типа вход-выход в виде полинома Вольтерра N-го порядка заключается в идентификации ядер Вольтерра. В настоящее время предложены различные алгоритмы решения данной...

Теги: идентификация , identification , ядра вольтерра , volterra kernels , интегральные уравнения , integral equations , математическое моделирование , mathematical modeling
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. Energy saving issues are inextricably linked to the cost of heat for consumers. The costs of...

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
DEVELOPMENT OF MATHEMATICAL MODEL OF THE SYSTEM OF HIGH-TEMPERATURE CERAMIC HEAT EXCHANGERS OF PERIODIC ACTION

Kler A.M., Marinchenko A.Y., Potanina Y.M. DEVELOPMENT OF MATHEMATICAL MODEL OF THE SYSTEM OF HIGH-TEMPERATURE CERAMIC HEAT EXCHANGERS OF PERIODIC ACTION // Bulletin of the Tomsk Polytechnic University, Geo Assets Engineering. Vol.329. №3. 2018. P.26-35. The relevance of research is conditioned by the need to create and develop heat power plants, in which the processes of electric power generation are combined with the processes of coal gasification. Interest in this direction is explained by large...

Теги: high-temperature air heating , regenerative ceramic heat exchangers , integrated gasification combined cycle , air-blown gasification , mathematical modeling , power-generation , technologies , regenerators , combustion , efficiency , plants
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) ...

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
Investigation of Active Identification Methods for Thermohydraulic Testing of Heat Networks

... Testing of Heat Networks // Thermal Engineering . Vol.65. No.7. 2018. P.453-461. DOI: 10.1134/S0040601518070066 Considerable uncertainty of the information about actual characteristics and parameters is the key factor restricting the effective use of mathematical modeling and computer simulation methods in solving problems of optimal retrofitting, commissioning, development of operating regimes, and dispatch control of heat networks. Application of the existing industrial procedures in testing a heat ...

Теги: active identification , heat networks , instrument optimization , mathematical modeling , planning of test modes , test result processing , thermohydraulic tests , thermohydraullic regime model , heat losses , mathematical models , planning , uncertainty analysis , i
Раздел: ИСЭМ СО РАН


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