.AixLib.Fluid.Actuators.Valves.ExpansionValves.Utilities.FlowCoefficient.SpecifiedFlowCoefficients.Power_R134a_EEV_15 .AixLib.Fluid.Actuators.Valves.ExpansionValves.Utilities.FlowCoefficient.SpecifiedFlowCoefficients.Power_R134a_EEV_15This model contains a calculation procedure for flow
coefficients presented by Zhifang et al. (2008).
| Reference | Formula | Refrigerants | Validity Tcondensing |
Validity Tevaporating |
Validity Tsubcooling |
|---|---|---|---|---|---|
| ZhifangAndOu2008 | C = a * ((pinlet-poutlet) *
sqrt(A)/σinlet)^b1 *
(dinlet*sqrt(ρinlet *
pinlet)/μinlet)^b2 |
R134a |
31 - 67.17 °C |
no information |
0 - 20 °C |
X. Zhifang, S. Lin and O. Hongfei. (2008): Refrigerant flow characteristics of electronic expansion valve based on thermodynamic analysis and experiment. In: Applied Thermal Engineering 28(2), S. 2381–243