The vapor pressure on the bubble line, the speed of sound, and the density of the R-134a (48.66%)–R-227ea (51.34%) refrigerant gaseous mixture were studied with an ultrasound interferometer and constant volume piezometer within the temperature range of 293–373 K at pressures of 0.06 to ...
Table 1 Thermophysical parameters of common data center cold plate two-phase cooling refrigerant (assuming evaporation temperature is 40°C) 类型 工质 标准沸点 (℃) GWP 饱和压力 (MPa) 汽化潜热 (kJ/kg) 临界温度 (℃) 偏心因子 自然工质 R744/CO2 −78.4 1 – – 31.00 0.2239 HFCs R410A −...
- For a variety of refrigerant R-12, R-134a,R-22,R-404A, R-407C,R-410A, R-500, R-502, R-507 - Maximum working pressure: 4.7Mpa/680Psig,with the UL and CE certificationApplications: - Widely used for household air conditioner, central air conditioner, fres...
Application of Carnahan-Starling-vdW-β Equation of State for Refrigerant Fluids The Tait equation has been extended and generalized to permit the calculation of densities of compressed liquids and their mixtures to a pressure of 68,950... L Density 被引量: 2发表: 2018年 加载更多来源...
The Vapor Liquid Equilibrium (VLE) viscosity reduction and gas fractionation of each was measured with three different refrigerant blends: (1) R-404A; (2) R-507; and (3) R-407C. In addition, the four single refrigerants that make up the blends, HFC-32, HFC-125, HFC-134a, and HFC-...
refrigerant, subject to ensuring that: the technology was technically feasible in terms of the availability of components and raw materials for such products; the final [...] multilateralfund.org 在与伊拉克各利益攸关方进一步协商后,工发组织代表说,原则上,伊拉克不反对 使用碳氢化合物为替代制冷剂...
refrigerantredlich-kwongsub-critical regions super critical regionsA numerical procedure has successfully predicted accurate values of thermodynainic properties in seven cubic equations of state (EOS) in predicting thermodynamic properties of nine ozone-safe refrigerants both in super and sub-critical ...
ViscosityThis report presents results on low refrigerant concentration (70, 80, 90, and 100 weight percent lubricant) mixtures of the following fluids: CFC-12/ISO 32 naphthenic mineral oil; HCFC-22/ISO 32 naphthenic mineral oil; and HFC-134a/ISO 32 pentaerythritol ester mixed acid. These data...
Liquid-phase and vapour-phase densities are reported for the binary refrigerant mixtures (R125 + R1234ze(E)), (R134a + R1234ze(E)), (R143a + R1234ze(E)), (R1234ze(E) + R1234yf), (R125 + R1234yf), (R143a + R1234yf) and (R125 + R152a). The measurements span temperatures...
Solubility, viscosity, and density measurements of refrigerant-lubricant mixtures. Part 1: Branched acid pentaerythritol polyolesters with R-134a The equilibrium gas solubility, viscosity, and density of R-134a in synthetic 32 ISO VG and 100 ISO VG branched acid pentaerythritol polyolester lubricants....