绿色工质HP-1高温热泵系统中膨胀阀开度与流量匹配特性
王约翰, 南晓红, 欧阳洪生, 郭智恺, 胡斌, 王如竹

Matching Characteristics of Expansion Valve Opening and Flow Rate of High Temperature Heat Pump with Green Refrigerant HP-1
WANG Yuehan, NAN Xiaohong, OUYANG Hongsheng, GUO Zhikai, HU Bin, WANG Ruzhu
表1 HP-1和R245fa的主要物性参数
Tab.1 Main thermodynamic properties of HP-1 and R245fa
参数 HP-1 R245fa
临界温度/℃ 150.21 153.86
临界压力/MPa 3.533 3.651
冷凝压力a/MPa 2.026 6 1.930 4
蒸发压力b/MPa 0.390 74 0.344 21
标准沸点/℃ 9.75 15.05
压力比a,b 5.19 5.61
ODP 0 0
GWP <1 858
ASHRAE Std 34安全等级 A2L B1