(Z) R1270 R455A Must move to On the market 已上市 150 R514A R600a low density R744/CO2 Not yet on the market 未上市 R1233zd(E) R1234ze R290 R717/NH3 GWP versus Density (pressure) of the main refrigerant groups 主要制冷剂群的GWP/密度(压力) Vacuum Low Medium High Other Density密度...
ρ density (kg/m3) θdry dry angle of tube diameter (rad) θstrat stratified flow angle of tube diameter (rad) Subscripts g/G/v vapor l/L liquid pool/nb pool boiling/nucleate boiling tp two-phase sp single-phase in inlet of heat exchanger out outlet of heat exchanger Appendix A Table...