超临界CO2布雷顿循环余热回收系统性能分析与优化
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余廷芳,宋凌
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Performance analysis and optimization of supercritical CO2 Brayton cycle waste heat recovery system
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Ting-fang YU,Ling SONG
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| 表 9 优化后SCBC/KC系统各状态点热力学参数结果 |
| Tab.9 Thermodynamic state point parameters for SCBC/KC system under optimized operation conditions |
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| 状态点 | p/kPa | θ /℃ | h /(kJ·kg−1) | s/(kJ·kg−1·K−1) | e/(kJ·kg−1) | qm /(kg·s−1) | | 1 | 7400.00 | 35.00 | 402.40 | 1.66 | 200.84 | 1931.28 | | 2 | 24716.00 | 123.33 | 454.58 | 1.68 | 247.39 | 1931.28 | | 3 | 24716.00 | 286.70 | 701.68 | 2.21 | 344.94 | 2646.26 | | 4 | 24716.00 | 412.52 | 860.45 | 2.47 | 431.27 | 2646.26 | | 5 | 24716.00 | 593.93 | 1087.18 | 2.76 | 575.00 | 2646.26 | | 6 | 7400.00 | 447.25 | 923.27 | 2.79 | 403.85 | 2646.26 | | 7 | 7400.00 | 309.18 | 764.49 | 2.54 | 314.27 | 2646.26 | | 8 | 7400.00 | 149.35 | 584.16 | 2.18 | 236.44 | 1931.28 | | 9 | 7400.00 | 100.82 | 525.47 | 2.03 | 219.65 | 1931.28 | | 01 | 1500.00 | 128.97 | 1884.81 | 6.35 | 398.67 | 60.31 | | 02 | 442.48 | 40.37 | 1705.02 | 6.42 | 200.61 | 60.31 | | 03 | 1500.00 | 128.97 | 478.31 | 1.98 | 81.42 | 175.50 | | 04 | 1500.00 | 53.05 | 130.70 | 1.02 | 4.60 | 175.50 | | 04v | 442.48 | 53.24 | 130.70 | 1.03 | 3.56 | 175.50 | | 05 | 442.48 | 67.93 | 533.33 | 2.42 | 61.77 | 235.81 | | 06 | 442.48 | 42.37 | 97.06 | 1.09 | 2.56 | 235.81 | | 07 | 1500.00 | 42.86 | 98.69 | 1.09 | 3.88 | 235.81 | | 08 | 1500.00 | 90.52 | 357.40 | 1.84 | 48.65 | 235.81 |
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