Numerical Analysis of Flow Field in Generator End-Winding Region

Table 1

Comparison of flow distribution between 1D network model and CFD model.

Flow branch	1D network model (%)	CFD model (%)
Ventilation hole to cooler	9.71	10.33
Outside space block	5.67	7.55
Stator-rotor air gap	56.45	54.94
Rotor subslot	28.18	27.18