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 (настройки, верификации) параметров математических моделей сложного теплоэнергетического оборудования. Данная методика позволяет более эффективно выявлять грубые погрешности измерений контрольных параметров...
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 unitДонской 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. Такие процессы используются для получения горючих газов на установках малой мощности. Для повышения качества генераторного газа предлагается использовать смесь древесного топлива с негорючим материалом, который может...
Теги: газификация , катализ , древесина , смола , очистка , математическое моделирование. , gasification , catalysis , wood , tar , gas cleaning , mathematical modelingKler A.M., Zharkov P.V., Epishkin N.O. Parametric optimization of supercritical power plants using gradient methods // Energy. ID: 116230. 2019. DOI: 10.1016/j.energy.2019.116230 Gradient nonlinear optimization methods are among the most effective approaches to determine the optimal parameters of thermal power plants. These methods allow us to consistently optimize a large number of thermodynamic and design parameters and mass flow rates of actuation fluids and of heat-transfer fluids. This paper...
Теги: cost of electricity , gradient methods , mathematical modeling , nonlinear optimization , specific plant investments , supercritical power plants , costs , heat transfer , mathematical models , nickel alloys , nonlinear equations , nonlinear programming , superheaterKler 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 , maDonskoi 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 modelingСолодуша 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 modelingKler 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... 2017 2ND INTERNATIONAL URAL CONFERENCE ON MEASUREMENTS (URALCON). 2017. P.270-275. ISBN (print): 978-1-5386-0521-9. The effective solution of operation problems, adjustment and dispatching management of thermal networks can be obtained applying modern mathematical modeling methods, calculation and optimization. However, lack of reliable information about their actual parameters and characteristics substantially depreciates virtually all sets of these methods. The majority of thermal networks parameters ...
Теги: mathematical modeling , active identification , heating networks , thermal and hydraulic tests , model of thermal and hydraulic conditions , planning of test conditions , optimization of measurement devices , water distribution-systemsKler A.M., Tyurina E.A., Mednikov A.S., Staheeva E.V. Mathematical modeling and optimization of parameters of coal-fired combined cycle unit with gas-turbine cycle working medium heated in periodic regenerative heat exchangers // Cleaner Combustion and Sustainable World - Proceedings of the 7th International ...
Теги: combined cycle unit with coal combustion , cyclic regenerative ceramic heat exchangers , mathematical modeling , optimization studies , ceramic materials , coal gasification , coal gasification plants , competition , energy efficiency , fluidized bed combustion , fShamanskii V.A., Donskoi I.G. Model of carbon particle burnout in a flow reactor for thermochemical conversion of solid fuel // Theoretical Foundations of Chemical Engineering. Vol.51. No.2. 2017. P.199-205. DOI: 10.1134/S0040579517020014 The gasification of coal dust in thermal power plants is a prospective technology for combining the production of electric power, heat, and chemical products. In this work, the method of calculating flow gasification, which takes into account the detailed diffusion...
Теги: gasification in flow , coal , mathematical modeling , thermodynamic modeling , diffusion kinetics , coal-gasification , simulation
