This 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