UNDERSTANDING THE PHYSICS OF TRIM
Presentation: Understanding the physics of trim - FORCE Technology
Presentation: Understanding the physics of trim - FORCE Technology
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Wake fractionShould be as high as possible in order to gain on the hull efficiency!Function of the vessel speed (V) and propeller inflow velocity (V A ).w =V −VVAAWake fraction0.220.2Fn=0.128Fn=0.164Fn=0.201Results for Froude number = 0.128Trim -2.0m 0.0m 2.0mw [-] 0.209 0.181 0.17Δw [%] 15.5% 0.0% -6.1%ΔP D w [%] -3.5% 0.0% 1.3%0.18Trim (m)0.16-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2
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