一种新型CO2工质冷热电联供系统的热力性分析

高垚楠, 陈海峰, 王建永

Thermodynamic Analysis of a New Combined Cooling, Heating and Power System Using CO2 Working Fluid

Yaonan GAO, Haifeng CHEN, Jianyong WANG

表2 系统模拟工况下各状态点的热力参数

Tab. 2 Thermodynamic parameters of each state point under the system simulation conditions

状态点 温度/℃ 压力/kPa 焓/(kJ·kg-1) 熵/(kJ·kg-1·K-1) 干度 流量/(kg·s-1) 1 32.00 8 500.00 288.94 1.29 1.00 18.83 2 43.99 14 000.00 299.89 1.30 1.00 18.83 3 165.00 14 000.00 572.49 2.05 1.00 18.83 4 123.11 8 500.00 546.45 2.06 1.00 18.83 5 118.59 8 500.00 540.70 2.05 1.00 21.18 6 32.00 8 500.00 288.94 1.29 1.00 21.18 7 32.00 8 500.00 288.94 1.29 1.00 2.35 8 -5.55 3 000.00 288.94 1.33 0.41 2.35 9 -5.55 3 000.00 433.61 1.88 1.00 2.35 10 85.16 8 500.00 494.70 1.93 1.00 2.35 g1 170.00 900.00 719.14 2.04 — 10.00 g2 48.99 900.00 205.88 0.69 — 10.00 b1 20.00 101.30 84.01 0.30 — 31.89 b2 60.00 101.30 251.25 0.83 — 31.89 c1 20.00 101.30 84.01 0.30 — 5.41 c2 5.00 101.30 21.12 0.08 — 5.41