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Joint optimization of power plant cycle parameters and gas turbine flow path parameters with blade airfoils represented by cubic splines

... defined by 70 cubic polynomials. The parameter optimization problem of gas turbine unit cycle and gas turbine flow path includes 121 independent optimized parameters and 184 inequality constraints. The optimization results can be used in the preliminary design of power plants. In this case the obtained airfoils can serve as a good initial approximation for 3D optimization. The research demonstrates that the optimal temperature at gas turbine inlet is determined by the blade alloy characteristics, a cooling ...

Теги: gas turbine unit , power plant , flow path , airfoil , cubic spline , curvature , cycle parameters optimization , performance enhancement , design , cascade
Раздел: ИСЭМ СО РАН
A combined forecasting approach with model self-adjustment for renewable generations and energy loads in smart community

Li Y., Wen Z., Cao Y., Tan Y., Sidorov D., Panasetsky D. A combined forecasting approach with model self-adjustment for renewable generations and energy loads in smart community // Energy. Vol.129. 2017. P.216-227. DOI: 10.1016/j.energy.2017.04.032 The short-term forecasting of wind power, photovoltaic (PV) generation and loads is important for the secure and economical dispatching of smart community with smart grid. Considering the smart community has plenty of distributed generations, here, a...

Теги: wind power , photovoltaic generation , support vector machine , combined forecasting , smart community , extreme learning-machine , wavelet transform , neural-network , optimization , hybrid , regression , algorithm , management , design
Раздел: ИСЭМ СО РАН
An approach to optimization of the choice of boiler steel grades as to a mixed-integer programming problem

Kler A.M., Potanina Y.M. An approach to optimization of the choice of boiler steel grades as to a mixed-integer programming problem // Energy. Vol.127. 2017. P.128-135. DOI: 10.1016/j.energy.2017.03.089 One of the ways to enhance the energy efficiency of thermal power plants is to increase thermodynamic parameters of steam. A sufficient level of reliability and longevity can be provided by the application of advanced construction materials (in particular, high-alloy steel can be used to manufacture...

Теги: thermal power plants , methods of optimization , mathematical modeling , advanced construction materials , mixed-integer programming problem , cycle power-plants , differential evolution , cost , coal , parameters , design , system , energy
Раздел: ИСЭМ СО РАН


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