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Parametric optimization of supercritical power plants using gradient methods

Kler 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 , superheater
Раздел: ИСЭМ СО РАН
Performance modeling of thermoelectric devices by perturbation method

Marchenko O.V. Performance modeling of thermoelectric devices by perturbation method // International Journal of Thermal Sciences. Vol.129. 2018. P.334-342. DOI: 10.1016/j.ijthermalsci.2018.03.006 A nonlinear differential heat conduction equation for a leg of a thermoelement with temperature-dependent thermoelectric material properties is reduced to an integral equation. Its solution is obtained by a perturbation method in the form of a series in terms of powers of parameters proportional to Thomson...

Теги: heat balance equations , heat conduction equation , perturbation method , thermoelectric coolers , thermoelectric generators , cooling systems , electronic equipment , heat conduction , integral equations , nonlinear equations , specific heat , thermoelectric equipm
Раздел: ИСЭМ СО РАН
Applicability of Volterra integral polynomials in the control systems of electric power facilities

Solodusha S., Suslov K., Gerasimov D. Applicability of Volterra integral polynomials in the control systems of electric power facilities // Proceedings of 2016 International Conference "Stability and Oscillations of Nonlinear Control Systems" (Pyatnitskiy's Conference), STAB 2016. 1 p. ISBN (print): 9 781 467 . DOI: 10.1109/STAB.2016.7541227 The paper presents an approach to the construction of a system for automatic control of nonlinear dynamic objects on the basis of Volterra polynomials...

Теги: automation , control system stability , control systems , differential equations , nonlinear control systems , nonlinear equations , system stability , wind turbines , dynamic characteristics , electric power
Раздел: ИСЭМ СО РАН


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