Investigation of off-design performance of supercritical carbon dioxide recompression cycle using a deep learning-based turbine with variable inlet guide vanes

Yadong Du,Ce Yang,Ben Zhao,Haimei Wang,Hanzhi Zhang,Xinyu He,Chenxing Hu,Yanzhao Li

Energy Conversion and Management（2023）

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摘要

•Develop a one-dimensional steady-state off-design model for the sCO2-RC.•Examine the off-design performance of the sCO2-RC using a VIGV-equipped turbine.•Compressor's surge margin limits the nozzle opening of the VIGV-equipped turbine.•Inventory-bypass hybrid control promotes the use of the VIGV-equipped turbine.

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关键词

Supercritical carbon dioxide recompression, cycle, Deep neural network, Off -design performance, Turbine with variable inlet guide vanes, Control strategy

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