压缩sCO2储能系统动态特性仿真
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姜佳晖, 王子杰, 池冉, 陈伟, 薛小代, 张通, 张学林, 张斌
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Study on supercritical carbon dioxide energy storage system and its operating characteristics
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JIANG Jiahui, WANG Zijie, CHI Ran, CHEN Wei, XUE Xiaodai, ZHANG Tong, ZHANG Xuelin, ZHANG Bin
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表3 设计工况下的系统状态点参数
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Table 3 System state point parameters under designed conditions
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| 状态点 | P/MPa | T/K | v/(m3·kg-1) | u/(kJ·kg-1) | h/(kJ·kg-1) | s/(kJ·kg-1·K-1) | | 1 | 7.983 | 312.30 | 0.003 51 | 371.3 | 399.3 | 1.647 | | 2 | 40.000 | 432.00 | 0.001 71 | 415.8 | 484.2 | 1.686 | | 3 | 40.000 | 318.15 | 0.001 06 | 234.8 | 277.3 | 1.130 | | 4 | 40.000 | 336.20 | 0.001 14 | 265.1 | 310.6 | 1.231 | | 5 | 20.140 | 377.30 | 0.002 15 | 391.7 | 435.0 | 1.657 | | 6 | 8.700 | 319.20 | 0.003 43 | 376.8 | 406.6 | 1.662 | | 7 | 0.101 | 298.15 | 0.001 25 | | 685.7 | 0.000 | | 8 | 0.101 | 383.30 | 0.001 25 | | 881.6 | 0.578 | | 9 | 0.101 | 328.90 | 0.001 25 | | 756.5 | 0.226 |
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