Open-Water Thrust and Torque Predictions of a Ducted Propeller System with a Panel Method

Figure 10

Vortex pitch distributions at 𝑥/𝑅=0.5 and 𝑥/𝑅=2.0. Influence of gap and wake models. Ka4-70 inside duct 19Am at 𝐽=0.5.

(a)

(b)