Page 514 - Practical Design Ships and Floating Structures

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If this water flow layer broke forwards, we could TABLE 2
estimate resistance due to the forward-oriented COMPARISON OF CJfi WITH c,wb/
wave breaking R,wh,-6-y, by the equation (M.S.NO.CA AND SIMILAR HULLS)
developed in our previous study'.2 as follows: 2692 1
= ( 0 Bm In) luo2&o
-Y<
R,bj-6-, (7)
-6
where
uo (m Is) : water flow velocity at the stem end Condition I.,= 0 25, Full-2
For each of three similar hulls shown in Figure 3, we Suffix means "due to flow layer at the
have estimated Rrfw-6-v, and R,wb,-6-yc . Table 2 water depth From yo; - 6 toy,- :v'"
,
shows comparison of C+s-yc = R,fi-6-yc /(I I2)pB,,,Ivo2 with c,,,+&, - - Rwbj-6-yc /(1/2)pB,I~~~
where I is stem end immersion.

F,= Of5 F,, =3.057

Lwl = 0.7478 m
X = 0.005 m k E.
I

*55d01
~4.10 I

I = 0.0493 m k E.
@I. S. NO. CA) I

Lwi = 2691 m
I = 1.8 rn A. E.

Figure 3: Scale effect of water flow just behind a transom stem on Full-2
(M.S.NO.CA and similar hulls)