683713.fig.001a
(a)
683713.fig.001b
(b)
683713.fig.001c
(c)
683713.fig.001d
(d)
683713.fig.001e
(e)
Figure 1: Two multistage pumps: (a) multistage pump equipped with radial diffuser and RGV, (b) radial diffuser, (c) RGV, (d) multistage pump equipped with bowl-shaped RGV, and (e) bowl-shaped RGV.