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To examine the validity of the Froude-Kriloff Hypothesis, the exciting forces and moments of waves acting on ship models were measured. The results are shown in many figures in this paper. The differences of the Froude-kriloff Hypothesis from the actual conditions are based on the facts that the incident waves are disturbed by the ship models.It must be noted that the wall-sides of the experimental tank affect on the heaving forces remarkably at the wave length which is same with the tank breadth.記号 [figure]l=L/2=Half Length of Ship Model, b=B/2 Half Breadth, d-Draft, ζ=Wave Elevation, h=Amplitude of Incident Wave, h'=Wave Amplitude at Ship-Side, λ=Wave Length, σ=gk, k=2π/λ, p=Water Pressure, F_x, |F_<x0>|, ε_x…Surging Force, its Amplitude and Phase Angle, F_y, |F_<y0>|, ε _y…Referring to Swaying Fopce, F_z, |F_<z0>|, ε _z…Referring to Heaving Force, M_x, |M_<x0>|, ε_<mx>…Referring to Rolling Moment, M_y, |M_<y0>|, ε_<my>…Referring to Pitching Moment, α=Breadth of Experimental Tank, |ψ_0|=Amplitude of Pitching Angle.
社団法人日本船舶海洋工学会の論文