Page 111 - Practical Design Ships and Floating Structures

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speed also has been reduced to 25 knots but even the speed may not be reached at the Han River since
the mean depth of the river decreases to 2m at some locations in dry seasons.

1 Shallav uL=0.17
CATA
I
I
- Deep uLIo.17 x I2 -C CATA ISh.llCw uL=0.26
CATA
- Deep uLIo.2S v- (1 CATA II Shallow WL.0.17
I
CATA
---i*.- CATA II Deep WLr4.17 CATA II ShalW uL-0.26
--4..- CATA II Deep WL;;O.ZS IO
9
8
7
6
5
1
3
1
"
as
%2.0(3'd " " 08 I 09
4
05
Fn . ..
a) Deep water b) Shallow water
Figure 5: Comparison of residuary resistances of CATA I and I1 (demi-hull spacing YL = 0.17,0.26)
e5 - Deep mL=l!.17 - Deep W.17
I
CATA
I
CATA
CATA
I
G45 - Daep uL=O.ts - Deep d=O.26
I
CATA
I
Shallow
ULL4).17
- Shallow uL.0.V I
CATA
CATA
I
CATA
04 -----c CATA I Shallow uL=O.26 - ShallowuLE036
I
---T)-- CITA II Deep uL=0.17 -IQ.-. CATA II Deep wL;Q0.17
036 -- CATA I1 Daep .11=0.26 -4-. CATA II Deep .11;Q0.26
I.. CATA II ShallowdL;Q.17 --. CATAII Shallow.IL=O.lT
03
I- CATA I1 Shallow rlL-J.26 -+-* CATA II ShalloudL=%26
015
02
0 IS
01
Fn
a) Trim curves b) Sinkage curves
Figure 6: Comparison of hull attitudes of CATA I and II (demi-hull spacing S/L = 0.17,0.26)
- CATAIDeep?n.=O.l7
CATA
--6- H DII~ aa.2
F"
a) Deep water b) Shallow water
Figure 7: Effective horsepower of CATA I and CATA II (demi-hull spacing S/L = 0.17,0.26)