Research Article

Experimental and Numerical Investigation of Stepped Planing Hulls in Finding an Optimized Step Location and Analysis of Its Porpoising Phenomenon

Table 5

Measured parameters of the nonstep model.

V (m/s)FrBRise-up (mm)Z/V0.3τ (deg)RT (N)RT/Δ

10.43−1.78−0.0042.477.80.009
20.86−8.67−0.0193.7352.970.062
31.294.030.0096.17113.30.134
41.7226.710.066.771280.151
52.1552.610.1187.39136.70.162
62.5870.260.1586.63133.90.158
73.0181.540.1845.81135.40.160
83.44PORP.PORP.PORPPORP.PORP.