Influence of Circumferential Placement Position of Guide Vanes on Performance and Dynamic Characteristics of Nuclear Reactor Coolant Pump

Figure 2

Fluid domain grid. (a) Impeller. (b) Stator and rotor clearance. (c) Guide vane. (d) Case. (e) At α = 0°, simulation values of head and efficiency in different grids.

(a)

(b)

(c)

(d)

(e)