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Simulation and Optimization of Wood Biomass Gasification Regimes in a Flow of Steam-Oxygen Blast

... transport processes and chemical transformations). Thermodynamic estimates show the possibility of achieving the efficiency of the gasification at the level of 0.8–0.9, however, the experimentally achieved values rarely exceed 0.7. In this work, using mathematical modeling, we investigated the possibility of increasing the efficiency of the biomass gasification. © 2020, Pleiades Publishing, Ltd. нет

Теги: biomass , gasification , mathematical modeling , optimization
Раздел: ИСЭМ СО РАН
Mathematical modeling and optimization of the monopoly heating market

Penkovskii A., Stennikov V. Mathematical modeling and optimization of the monopoly heating market // International Journal of Energy Economics and Policy. Vol.10. No.4. 2020. P.342-351. DOI: 10.32479/ijeep.9284 District heating plays a major role in many countries. Unlike markets ...

Теги: analysis , district heating , mathematical modeling , monopoly , optimization , regulation
Раздел: ИСЭМ СО РАН
Methods for optimization of time redundancy of prosumer in district heating systems

Postnikov I. Methods for optimization of time redundancy of prosumer in district heating systems // Energy Reports. Vol.6. 2020. P.214-220. DOI: 10.1016/j.egyr.2019.11.065 The paper deals with the problem of operating the reliability of prosumers as part of a district heating system, taking into account overload time redundancy that they possess. This time redundancy can be both passive, caused by heat accumulating effect and use of thermal energy storages, as well as an active time redundancy,...

Теги: availability factor , district heating system , intelligent integrated energy systems , markov random process , mathematical modeling , nodal reliability indices , optimization , prosumer , reliability , theor , district heating , heat storage , heating equipment , hy
Раздел: ИСЭМ СО РАН
Bi-level modeling of district heating systems with prosumers

Penkovskii A., Stennikov V., Kravets A. Bi-level modeling of district heating systems with prosumers // Energy Reports. Vol.6. 2020. P.89-95. DOI: 10.1016/j.egyr.2019.11.046 The paper deals with the actual problem of the functioning and development of district heating systems in the framework of the transition to intelligent energy, in which the active consumers (prosumers) holds the key place. The paper proposes an optimization mathematical model for management the operation of district heating...

Теги: bi-level programming , district heating system , heat sources , mathematical modeling , optimal development , optimization , prosumer , heating equipment , mathematical models , district heating
Раздел: ИСЭМ СО РАН
The pricing methods on the monopoly district heating market

Stennikov V., Penkovskii A. The pricing methods on the monopoly district heating market // Energy Reports. Vol.6. 2020. P.187-193. DOI: 10.1016/j.egyr.2019.11.061 District heating plays an important role in many countries with cold climates. District heating are local systems and in most cases, they organized as natural monopoly markets. This article examines the three variants for the formation of prices for household consumers on monopoly district heating market: market equilibrium of supply and...

Теги: heat supply system , heating pricing , market equilibrium , mathematical modeling , monopoly district heating market , regulation , commerce , competition , district heating , mathematical models , classical model , heat supply systems , market equilibria , monopoly m
Раздел: ИСЭМ СО РАН
Investigation of the Efficiency of a Cogeneration Gas Turbine Unit with Heat Recovery of Flue Gases in the Far North

Kler A.M., Stepanova E.L. Investigation of the Efficiency of a Cogeneration Gas Turbine Unit with Heat Recovery of Flue Gases in the Far North // 2019 International Multi-Conference on Industrial Engineering and Modern Technologies, FarEastCon 2019. ID: 8934000. ISBN (print): 9781728100616. DOI: 10.1109/FarEastCon.2019.8934000 The authors considered a cogeneration gas turbine unit operating on natural gas, with the possibility of the utilization of the heat of the flue gases. The mathematical model...

Теги: cogeneration gas turbine unit , efficiency of heat power equipment , mathematical modeling , optimization , utilization of the flue gases heat , waste-heat recovery , calculations , cogeneration plants , computer systems programming , costs , flue gases , flues , gas
Раздел: ИСЭМ СО РАН
Providing the Reliability of Heating of Prosumers taking into account the Functioning of Their Own Heat Sources in District Heating Systems

Postnikov I. Providing the Reliability of Heating of Prosumers taking into account the Functioning of Their Own Heat Sources in District Heating Systems // 2019 International Multi-Conference on Industrial Engineering and Modern Technologies, FarEastCon 2019. ID: 8934913. ISBN (print): 9781728100616. DOI: 10.1109/FarEastCon.2019.8934913 The paper deals with the problem of analysis and optimization the reliability of heat supply to consumers of district heating systems, taking into account the additional...

Теги: district heating system , integrated reliability parameter of component , markov random process , mathematical modeling , nodal reliability indices , prosumer , reliability analysis and optimization , theoty , district heating , heating equipment , hydraulic equipm
Раздел: ИСЭМ СО РАН
Cooptimization of thermal power plant flowchart, thermodynamic cycle parameters, and design parameters of components

... efficiency of an energy plant depends on a rational development of its flowchart and choice of parameters along with the load schedule, equipment reliability, operating mode, etc. It is advisable to study such complex technical systems with the methods of mathematical modeling and optimization. The paper presents an approach to the development of optimal flowcharts and selection of parameters of energy plants. The approach is based on the combination of a method for optimization of the most complex flowchart ...

Теги: branch-and-bound method , mathematical modeling , methods of optimization , mixed-integer programming , reversible processes , thermal power plants , combined cycle power plants , earnings , energy efficiency , flowcharting , integer programming , investments , large
Раздел: ИСЭМ СО РАН
Усовершенствованная методика идентификации математических моделей теплоэнергетического оборудования

Алексеюк В.Э., А.С. Максимов, П.Г. Сафронов. Усовершенствованная методика идентификации математических моделей теплоэнергетического оборудования // Вестник ИрГТУ. Т.23. №3. 2019. C.503-515. DOI: 10.21285/1814-3520-2019-3-503-515 TЦель данной работы - описание усовершенствованной методики идентификации...

Теги: ¶идентификация параметров , математическое моделирование , оптимизация режимов работы , оценивание состояния , угольный энергоблок , arameter identification , mathematical modeling , optimization of operation modes , state estimation , coal-fired generating unit
Раздел: ИСЭМ СО РАН
Математическое моделирование газификации древесины смолистых продуктов на частицах активных компонентов

Донской И.Г. Математическое моделирование газификации древесины смолистых продуктов на частицах активных компонентов // Изв. вузов. Проблемы энергетики. Т.20. №11-12. 2018. C.107-117. Работа посвящена численному исследованию процесса обращенной слоевой газификации древесной биомассы...

Теги: газификация , катализ , древесина , смола , очистка , математическое моделирование. , gasification , catalysis , wood , tar , gas cleaning , mathematical modeling
Раздел: ИСЭМ СО РАН


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