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- W3190492759 abstract "This work presents a complete design of 1000 MW S-CO 2 coal-fired power system, containing not only a new methodology of S-CO 2 power system modelling, but also the specific directions for engineering design. The coupling between computational fluid dynamics simulations at boiler scale and the mathematical modelling of the thermal cycle facilitates a high reliability of the comprehensive design. Our analysis helps identify key questions and then deliver specific directions for engineering design. Especially, the pressure drop penalty in tail flue and thermal-hydraulic performance of cooling wall. The flue split method coupled with parallel utilization method can not only effectively reduce the pressure drop penalty but also simplify the system heater configuration. Moreover, the thermal performance of S-CO 2 cooling wall is improved by using the flue gas recirculation and cooling wall arrangement optimization. The optimized position and proportion of flue gas extraction are further obtained. Comprehensively, the proposed design of S-CO 2 coal-fired power system enhances the system net efficiency up to 51.05%, with an efficient utilization of residual heat and cooling wall temperature below 700 ℃." @default.
- W3190492759 created "2021-08-16" @default.
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- W3190492759 date "2021-01-01" @default.
- W3190492759 modified "2023-09-23" @default.
- W3190492759 title "Multi-Scale Modelling of 1000 MW S-CO2 Coal-Fired Power System and a Comprehensive Design" @default.
- W3190492759 doi "https://doi.org/10.2139/ssrn.3896433" @default.
- W3190492759 hasPublicationYear "2021" @default.
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