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Interference Effect - Due to Wavemaking - Coggle Diagram
Interference Effect - Due to Wavemaking
One wave interferes in another
4 waves system
Bow beginning with crest
Forward shoulder beginning with trough
Aft shoulder beginning with trough
Stern beginning with crest
Wigley
Wave-making resistance coefficient
\( R_w \propto V^6 \)
Separate contribution
Transverse Waves
until Fr approx 0,4
Divergent Waves
Fr above 0,4
Above Fr 0,5
Crossing on graph
Above approx Fr=0,35
vessel sinks
Trim by stern
changes completely the scenario
Para Frouder a Cinderela, Agacha e ela Senta
Froude sketch
Bow wave system
Energy moves water laterally
Divergent waves
No change in wavelength
Vessel as long as a parallel body
Bow does not interfere in Stern
Mean Residuary Resistance \( \propto V^6 \)
Mathematical Theory
Wave resistance
generated by parts near the surface
Varies with Displacement
Low displacement, low resistance
