0.81 217.9 11.33 0.0850 0.0130 548.1 145.7 9.3 9.3 R134a 冷媒飽和性質表 (Staurated Properities Table of R134a Refrigerant)冷媒(r efrigerant)：R134a 臨界溫度(critical temperature)： 374.2 K 臨界壓力(critical Pressure)： 4059.3 kPa 莫爾質量(molar mass)： 102 kg/...
temperature and determined pressure in Barg and psig. Barg is the gauge read pressure. The term gauge signifies that the pressure has been read from a gauge that actually measures the difference between the pressure of the fluid or gas and the pressure of the atmosphere. Psig is equal to psi...
R134a 冷媒飽和性質表 (Staurated Properities Table of R134a Refrigerant) 冷媒(refrigerant):R134a 臨界溫度(critical temperature): 374.2 K 臨界壓力(critical Pressure): 4059.3 kPa 莫爾質量(molar mass): 102 kg/kmol 比容 (specific volume) 比焓 ...
K—low-temperature evaporative condenser; L—low-temperature valve; M—evaporator; N—expander; P,Q—join points; 1～19—temperature measurement points R134a/R23/R14 三级自动复叠制冷系统采用混 合工质,混合工质的组分在运行过程中有分离和混 合的过程[23],混合工质组分的改变主要发生在气液 分离器和分...
High pressure and low pressure protection, 2. Anti-freezing protection, 3. High temperature protection, 4. Too big of the water temperature difference for outlet and inlet protection, 5. Overload protection, 6. Lack phase protection, 7. Reverse phase protection, etc.....
Water Pressure DropkPa≤45≤53<50<55<57<60<60<65<65<65<65<65 Pipe sizemmDN20DN25DN20DN25DN25DN32DN32DN50DN50DN50DN65DN80 Protections1. High pressure and low pressure protection, 2. Anti-freezing protection, 3. High temperature protection, ...
The working fluid entered the compressor (1) and was compressed to the temperature and pressure of the vapor such that the vapor could be condensed Results and discussions The performance of the vapor compression heat pump was tested with pure R22, pure R134a, and different contents of R134a...
Papadaki M, Schmitt M, Seitz A, Stephan K, Taxis B, Wakeham WA (1993) Thermal conductivity of R134a and R141b within the temperature range 240–307 K at the saturation vapor pressure. Int J Thermophys 14:173–181M. Papadaki,M. Schmitt,A. Seitz,K. Stephan,B. Taxis,W. A. Wakeham...
Water Pressure DropkPa≤45≤53<50<55<57<60<60<65<65<65<65<65 Pipe sizemmDN20DN25DN20DN25DN25DN32DN32DN50DN50DN50DN65DN80 Protections1. High pressure and low pressure protection, 2. Anti-freezing protection, 3. High temperature protection, ...
Water pressure dropKPa≤50≤55≤60≤60≤65≤65≤65 Pipe sizeDN25253232506565 Middle heat exchangerTypeBrazed plate type heat exchanger Protections1. High pressure and low pressure protection, 2. Anti-freezing protection, 3. High temperature protection, ...