Investigation of Complex Characteristics of Waterjet Propulsion Device with Intake Grid

Figure 5

Mesh independency column: red, blue, and purple column are the designed flow rate condition; 1.17 and 1.33 times are best efficiency point condition ((Q)’), respectively. (a) Original scheme. (b) Circular scheme. (c) Rectangular scheme. (d) Streamlined scheme.

(a)

(b)

(c)

(d)