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CONTENTS
1. DESIGN PROBLEM2. INTRODUCTION3. PARENT SHIP ANALYSIS4. DESIGN EQUATION (CAPACITIES INCLUDED)5. FREEBOARD CHECK 6. LIGHT SHIP EIGHT ESTIMATE!. INITIAL STABILITY CHECK ". RESISTANCE CALCULATION AND POER PREDICTION#. SEAKEEPING REQUIREMENTS
1$.HULL %IBRATIONS11.RUDDER DESIGN
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CHAPTER -1
DESIGN PROBLEM
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DESIGN PROBLEM
T&' * +, -& /0+'- -+ ' SHRIMP TRALER7 8-& -&' ,+99+8
0':;0'*'-<
F& &+9 =+9;*' > "$ m3
S'0=' /'' > 1$.5 ?+-
T089 /'' > 4 ?+-
R' > 4$$@45$ *9' '9;=' '++* +' ( +, B'9 )
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CHAPTER – 2
INTRODUCTION
INTRODUCTION
I +;0 +;-0 & -=-' ',+0' '/''' 8'0' +' -+
-0-+9 &'0* '*/9+ '+; & 0,- '0.
S;':;'-9 *'&-+ 8 --' -+ */0+=' -&' ++@'++* +-+
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+, &'0* 0'' -&' & /0+;-+ =0+; '='9+/*'-9 *';0'
-?' -&' +='0*'- -&0+;& 5 '0 /9 ,+0' -' 9' -+
-0+;-+ '-9&*'- +, *+'0 *'-&+ +, & 9?' &0*/ -089.
I & =- +- 9' +, !5$$ ?*(EE) +, 2.$2 *99+ :;0' ?*
'-' -+ B +, B'9 A0 ' I O' .E/+0- +, S' F++
&=' '' */0+=' -&' 9'09-+ +, G+=-. E++* P+9.
T&' '='9+/*'- +, '/+0- +0'-' ;-0 ' + &0*/ 0+' -&'
+/-+ +, *'&' 0,- ,+0 -089 -&' &0*/ 0';9-' -&' -0+;-+
+, 90'0 =''9 8-& *+0' /+8'0.
A & +- /'9' =''9 8&& -'' -+ /'0,+0* '0- 8'99
'' -?. I- ' '? 9+;- 00 /- +**+-+ *&'0
':;/*'- 0' 0'9-' -+ - ,;-+ 00 +;- - /9' +/'0-+.
F-+0 -&- ;'' -&' ' +, & =''9 0'<
• A=99' 0'+;0'
• F& '0 -0-+9 *'-&+
• G'+0/&9 &0-'0- +, & 0'
• S'8+0-&' +, -&' =''9 0'8 ,'-
• L8 0';9-+ //99' -+ & =''9 '
• C&+' +, +-0;-+ *-'09
• H9 -+8' +, &9 '++*
FISHING GEARS<
1.Towed (or) Dr!!ed !er<
N'- 0' '& -&' &/ &'' *+0' /+8'0 0':;0'. 2.E"#$r#%$"! !er&
N'- *' -+ '09' -&' &.
'.S$# !er&
F& 9+ 8-& ;00'- +*' '- -0//' -&' '-.
G''099 +--+* -089 +/'0-+ 00' +;- =0+; & 0+;
&=' /0+=' -&- +**'09 '/9+--+ +, &'0 +- /+9' '+ 5$*
'/-& 0'.
E< *&'0'9 ''/ ' 9+-'00+ & 0' +*' +, ''/ 8-'0 0'+;0' ,+0'/9+--+.
T&'0',+0' & =''9 9?' &0*/ -089'0 +**'09 =''9 ;'
+9'9 ,+0 -089 /;0/+' & =''9 =+9;*' 00'0.
FOR SHRIMP TRALER&
• D+;9' 0' -089'0 -+8 +' '- + '& ' +, -&' =''9.
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• L0' +;-0'0 0' 9+8'0' - 9' +, 6$ -+ 9'- -&' '- +;- 8&' +-
;' -&' 0' &; ,0+* -&' ++*.
• D+;9' 0'0 &=' '- +, ++0 ,+0 '& '- . T&' '- &=' -?9'0 &
--&' -+ -&' ,++-0+/' +0'0 -+ -0 -&' &0*/ ;/ ,+0' -&'* -+
-&' '-.
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CHAPTER – '
PARENT SHIP ANAL*SIS AND ROUTE
SPECIFICATION
PARENT SHIP ANAL*SIS&
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P0'- &/ ,+0*-+ /0+=' ''0 ='0 =9;9' - ,+0
'8 '. A ;*'0 +, -089'0 -&' 0' +, 3" m3
-+ 1$$ m3
&+9
=+9;*' 0' 9'.
LBP(*) 1".5 24 23.5 1".5 2!.! 33.5
BREADTH(*
)
6.1 !.5 6.5 6.5 !.35 ".6#
DEPTH(*) 3.$ 3."6 3.2 3.$ 3.43 5.5
DRAUGHT(*
)
2.$" 2.!3 2.3 2.! 2."3 3.4
SPEEDS(K) # 11 # 1$.5 1$.5 11
CAPACITY(
m3¿
3" 5" !$ "$ 1$$ 1$$
ENGINE
POER(HP)
@ @ 4$$ @ 35$ 4$$
DISPLACEMENT&
T&' /0'9*0 '-*-' +, /9'*'- ' *' ,0+* ---9 - 9
,;-+ +, ' 8'&- /-. T&' ---9dwt
❑ 0-+ ='
,+99+8 -9'
%''9 -/' C cargoDWT C total DWT
L0' -?'0 $."5@$."! $."6@$."#P0+;- -?'0 $.!!@$."3 $.!"@$."5C+-'0 &/ $.56@$.63 $.!$@$.!"R+@0+ &/ $.5$@$.5# @L0' ;9? 00'0 $.!#@$."4 $."1@$.""S*99 ;9? 00'0 $.!1@$.!! @R',0'0-' 0+ &/ $.5$@$.5# $.6$@$.6#
F& -089'0 $.3!@$.45 @
C =Cargo DWT (¿ )Total DWT
Displacement
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F+0 -& &0*/'0 C>$.3!
Cargo DWT =stowage factor∗hold volume
¿0.4∗80
¿32t
displacement = 40
0.37=108.1t
%OLUME OF DISPLACEMENT>❑
1.025 > 1$5.46 m3
LENGTH&
1.CAPACIT* +S LBP&
16 1" 2$ 22 24 26 2" 3$ 32 34 36
$
2$
4$
6$
"$
1$$
12$
,() > 3.1 @ 1.$3
RJ > $.54
CAPACIT* (,') +S LBP
CAPACITY (*3)
L'0 (CAPACITY (*3))
L B P
CAPACIT*
B -'0/+9-+ - >"$ m3
-&' >26.1$ *.
L1>26.1$*
2.+OLERS STATISTICS&
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V
√g∗❑1
3
( L
❑
1
3
−C )=3.5+4.5¿)
% *
L *
C > $ ,+0 0 0+ &/ +-'0 &/
> $.5 ,+0 0',0'0-' &/
> 1.5 ,+0 -089'0
L2>3$.55*
A='0' 9'-& > L1+ L2
2=¿ 2".325*
BREADTH&
1.L/B +S LBP
2.6 2." 3 3.2 3.4 3.6 3." 4
$
5
1$
15
2$
25
3$
35
4$
,() > 12.26 @ 1!.25
RJ > $."
LBP +S L/B
LBP (*)
L'0 (LBP (*))
L'0 (LBP (*))
L/B
LBP
B -'0/+9-+ - LBP> 2".325 * LB>3.!156.
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LBP
L
B
=B=¿!.623*>B1
2.0''- -0' *99 0,- 8-& L>3$* ;& -089'0 &=' LB >4
S+ B2>!.$"*
A='0' 0'-&>B1+B2
2=¿ !.35*
DEPTH&
1.B +S B/D
1.5 1.6 1.! 1." 1.# 2 2.1 2.2 2.3
$
5
1$
,() > @ 3.53 14.11
RJ > $.64
B +S B/D
BREADTH (*)
L'0 (BREADTH(*))
B/D
B
B -'0/+9-+ - B>!.35* BD>1.#14
B
B D
= D=¿3."4*>D1
2. F+0 & =''9 /- -/' =''9 (-9- 9*-') BD > 1.65
S+ D2>4.45*
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A='0' '/-& > D1+ D 2
2=¿ 4.145*
DRAUGHT&
1.B +S B/T
2.3 2.4 2.5 2.6 2.! 2." 2.# 3$
2
4
6
"
1$
,() > @ 1.#! 12.4
RJ > $.16
B +S B/T
BREADTH (*)
L'0 (BREADTH
(*))
B/T
BREADTH
B -'0/+9-+ - B>!.35* BT >2.554
B
B
T =T =¿ 2."!!*>T1
2.D +S D/T
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1 1.1 1.2 1.3 1.4 1.5 1.6 1.!
$
1
2
3
4
5
6
,() > 3."2 @ 1.55
RJ > $.51
D +S D/T
DEPTH (*)
L'0 (DEPTH (*))
D/T
DEPTH
B -'0/+9-+ - D>4.145* DT>1.4#
D
D
T
=T =¿2.!"1>T2
A='0' 0;&- >T 1+T 2
2 >2."2#*
BLOC COEFFICIENT&
1.A0re or,3%
CB> 1.08−1.68 Fn
F+0 9' 0'8 &/
CB1>$.536
2. C B=1.18−0.69 V √ L
F+0 $.5V
√ L 1
CB2>$.435
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3. C B=−4.22+27.8√ Fn−39.1 Fn+46.6 Fn3
F+0 $.15F$.32
CB3>$.52
A='0' 9+? +''- >CB1+CB2+CB3
3 >$.4#!
AFTER NO. OF ITERATIONS THE BELO COEFFICIENTS ARE FINALIED<
M$d4$5 Are Coe6#$e"
CM > $.#!! $.$"5 (CB $.6$) > $.#6"2
> 1.$$6 $.$$56
56.3− BC
> $.#3"5
>( )[ ] 15.311
−−+ BC
> $.#1!4
A='0' CM > 7.891'
Lo"!$3d$"% Pr$,$# #oe6#$e"
C P=C
B
C M > 7.:91;
er P%"e Are Co6#$e"
C ℘=0.444+0.520C P > $.!25!
> C P
2
3 > $.664"
>
(1+2C B)
3 > $.6!33
A='0' C ℘ > 7.<;;
+er$#% 5r$,$# #oe6#$e"
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C VP=C B
C ℘> 7.=919
ANAL*SIS&
FISHING GEAR<
B+--+* -089 '0 0' ;' -+ '/9+- -&' &0*/.
SPEED&U;99 /'' 0' ,0+* ! 11 ?+-. B;- 1$.5 ?+- -&' 0':;0'*'- &'0'.
T& & -+ ' /0+=' ':;-' ,+0 **;* ;*'0 +, -'* .
ENGINE PLANT&
S' &+9 &=' -+ ' 9+-' -&' ,- -&' '' /9- '--'0 -+ ' /9'
-&' ,+080 9+' -+ +99+ ;9?&'.
INTERNAL SUBDI+ISION&
U'0 '? =+9;*' =' -+ ,-/'? -? &0*/ &+9 '' 0++*
+*/0-*'- ,;'9 +9 -? ,0'& 8-'0 -? ,+0'/'? -?.
SUPERSTRUCTURE LOCATION&
L+-' ,+080 +, *&/ +0'0 -+ /0+=' 9'0 8+0? /' ,- . T&'
;/'0-0;-;0' ;=' -+ +**+-+ 99' *' -+0' . D'?
&+;' /0+=' 8-& 8&''9 &+;' +**+-+ ,+0 +'0.
SHAPE OF HULL&
C&' +-0;-+
T0+* -'0
N+ ;9 /0+=' -+ '0'' +- +, +-0;-+.
ROUTE SPECIFICATION&
T&' =''9 +/'0-' ,0+* =?&/-* &0+;0 -+ -' +, 4$$ 45$ *9'
+, EE ( +, '9)
T&' **;* 0':;0' -+ 0'& -&' & 0+;
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450
10.5∗24=1.8=2 (-? ='0' '=0+*'-9 '- -+
+'0-+)
T? ='0' -& +, +;- 2 2.5 -+ /'0
T&' -+-9 + +, 0':;0' -+ 99 -&' &+9 899 '
¿stowage factor∗hold capacity
2.5
¿0.4∗80
2.5=13
NO. OF DA*S AT SEA FOR ONE +O*AGE<
1. N+ +, -'* > 2 +80 +;0' 2 0'-;0 -+ -&' &0+02. M + +, & > 13 3. T+-9 ;0-+ +, =+' > 1322 > 1!
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CHAPTER - :
DESIGN E>UATION
S' &0*/ -089'0 =+9;*' 00'0 -&' +='0 ':;-+ 8+;9 '
V h=C BD LB D' =
V r−V u
1−s
+V m
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V h > =+9;*' +, &/ '9+8 ;//'0 '? m3
V r >-+-9 0+ /- m3
V u>-+-9 0+ /- =99' +=' ;//'0 '?
m3
V m >=+9;*' 0':;0' ,+0 *&'0 -? '-
C BD >9+? +''- - *+;9' '/-&
¿C B+(1−C B ) [0.8 D−T
3T ] D
' = D+C m+m
C m=mean cam!er=2
3C ( for para!olic cam!er)
¿1
2C ( for straightlinecam!er)
m=mean sheer
s > +, *+;9' =+9;*' -+ ' ';-' =+9;*' +, -0;-;09 0+ /'
( +0*99 -?' $.$5 )
+OLUME NECESSAR* AND +OLUME A+AILABLE&
T&' =+9;*' 8&& 0' ''0 ,+0 &/ +/'0-+ *;- *-& 8-& -&' =99'
=+9;*' . D;0 -&' /0'9*0 ' -' -& -&' 0- &'? -+ ' +'
''0 -+ '-*-' ,;0-&'0 ' +/'0-+9 +'0-+.
V u > $ ' -&'0' + 0+ ' -+8' + -&' ;//'0 '? 99 -&' -&
/0+'' -+0' 0',0'0-' &+9.
C%#3%$o" o o% #r!o #5#$0
V r=(1+ " 1+ "
2 ) #∗ M c
" 1 >99+8' ,+0 -0;-;09 *'*'0
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" 2 >+''- ,+0 -+8' ,9-' 8-& &+9
#∗ M c >-+8' ,-+0 * +, &0*/
> =+9;*' +, &0*/ &+9 0':;0'
V r=(1+0.3+0.02 )∗80=105.6m3
F3e% o$% "? #5#$0
* +, ,;'9 +9 0':;0' 8-& 1$ 99+8'
¿FC ∗ power∗no$of hours∗1.1
F0+* /0'=+; &/ - ;* /+8'0 +, 3$$?8
SFC > 21$
g
%w&
N+ +, &+;0 +, =+' >2$24>4"$ &0
P+8'0 > 25$?8
M > 25.2 -+
%+9;*' +, ,;'9 +9 > (1$.$4$.$3$.$2)1.$525.2
>2"."4 m3
Fre4 wer "? #5#$0
A;* +;*/-+ +, 5$ 9- /'0+
N;*'0 +, 0'8 > 15
R':;0' ,0'& 8-'0 > 152$5$ > 14.!3-+
%+9;*' +, ,0'& 8-'0 > (1$.$3)14.!31.$4
> 15.!! m3
E"!$"e 5%" @o%3,e
V =# ∗ P
# >$.2 $.4 m3/ "W ,+0 ''9 '' -99-+
V =0.4∗300=120m3
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rer$!er$o" @o%3,e&
//0+. =9;' ,+0 0',0'0-+ +, *90 &/ 9*+- 5$ m3
T&' ''0 =+9;*' 0':;0' ;'0 '9+8 -&' ;//'0 '?
¿105.6+28.84+15.77+90+40=320.21m3
N+8 ,+0 -9 &'? =+9;*' 0':;0' 9*+- ':;9 -+ =+9;*' =99'. S+ +8
9;9- -&' *9' '/0'+
C BD LB D'
C BD=C B+(1−C B )[ 0.8
D−T 3T ]
T/9 -0&- 9' *'0 >!readth
50=0.118m
C m=mean cam!er=1
2C
f =sheer forward=50
(
L
3+10
)a=sheer aft =25( L
3+10)
M =mean sheer= f +a
6
D' = D+C m+m=m
T&' =9;' C BD LB D' +- *-& + ,-'0 ;*'0 +, -'0-+ +*'
8-& -&' ,+0*;9 ,+0 ;'0 '? =+9;*'
V h=(1.25 D
d −0.115) TAGGART
T&' ' ':;-+ -' 8-& -&'' =9;'
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• %+9;*' ''0 > 32$.21 m3
• U'0 '? =+9;*' =99' > 344.#5 m3
• T&' *9' -'0* C BD LB D'
> 321.$54 m3
-& **;* '00+0 +, 5 +8 -&' ' /0+''' -+ '- -' .N+8 -&' ' * *'+ 0'L > 24.1 *B > 6.5 *D > 3.6 *
T > 2.5 *C B >$.51
CHAPTER – <
FREEBOARD CHEC
ESTIMATION OF FREEBOARD&F0''+0 FBD > D@TA 9+ 9' 0';9-+ 0' +- =99' ,+0 & =''9 **;*
,0''+0 9;9-+ 0' ' + '*/09 0'9-+. FBDmin=0.111∗B=0.7215m
FBDmin=0.085∗ LWL∗0.7=1.433m
A=. ,0''+0 > 1.$!! *
FREEBOARD CHEC& M*;* F0'' +0 0':;0' > 1.$!! *F0'' +0 =99' > 1.1 *
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CHAPTER – =
LIGHT SHIP EIGHT ESTIMATE
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LIGHT SHIP EIGHT ESTIMATION&L&- &/ 8'&- 9;'
• M +, &;99
• O;-- *-'09
• E:;/*'- ,+0 &
• D'? *&'0 8'&-
MASS OF HULL&
M +, &;99 +- +, ;'0 '? * ;/'0-0;-;0' '?&+;'.
H;99 N;*'09 E >2211 75.085.0)(85.0)( hl hl LT DT B L ∑∑ ++−++
*'-0 ;- 8&'0'
11 hand l < 9'-& &'&- +, ,;99 8-& '0'-+
22 hand l < 9'-& &'&- +, &+;'.
( )[ ]70.05.01 17 −+= B s s C W W
8&'0' sW
< S-''9 8'&- +, -;9 &/ 8-& 9+?1 BC - $."D
7 sW
< S-''9 8'&- +, &/ 8-& 9+? $.!$
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( )
−
−+=T
T DC C C B B B
3
8.011
&'0' BC
< A-;9 9+? - T.
36.1
7 . E K W s =
S&/ -/' %9;' +, K F+0 E
T?'0 $.$2# $.$35 15$$ E 4$ $$$C&'*9 T?'0 $.$36 $.$3! 1#$$ E 2 5$$B;9?'0 $.$2# $.$32 3$$$ E 15 $$$O/' -/' ;9?
C+-'0 &/
$.$33 $.$4$ 6$$$ E 13 $$$
C0+ $.$2# $.$3! 2$$$ E ! $$$
R'','0 $.$32 $.$35 E 5$$$C+-'0 $.$2! $.$32 1$$$ E 2 $$$O&+0' S;//9 $.$41 $.$51 "$$ E 1 3$$
T; $.$44 35$ E 45$ T089'0 $.$41 $.$42 25$ E 1 3$$R''0& %''9 $.$45 $.$46 1 35$ E 1 5$$F'00' $.$24 $.$3! 2$$$ E 5 $$$P''0 $.$3! $.$3" 5 $$$ E 15 $$$
E > 252.2!#5 C B1=0.5224 K > $.$415
36.1
7 . E K W s =>!6.66
W s=weight of steel=69.85 t
A- -&' ; + . -&' +00'/+ "(
D =9;' $.!5
OUTFIT EIGHT ESTIMATE&
C; + < L∗B∗ D2.834 =180.62
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T&' +00'/+ *&'0 8'&- +''- $.$!2
T&' =9;' +, "(
D > $.5
M&'0 8'&- > cu!ic no$∗machinery coefficient ∗1.013=13.17 t
T+-9 9&-&/ 8'&- > 6#."5 36.124 13.1! > 118.199 -
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DEAD EIGHT ESTIMATE&
D' 8'&- *?' ;/ +, & 8'&- ,;'9 +9 ,0'& 8-'0 0'8 /0+=+
& '0.
F& &+9 >
0.38 t
m3 of shrimp=0.4∗80=32tons
F& '0 > 0.085∗ LBP=2.04 tons
C0'8 > 80 %g
person=80∗15=1.2 tons
P0+=+ > 3 ? /'0+ > 7.=<: o"
F0'&8-'0 > 5$ 9- /'0+ > 12.=: o"
F;'9 +9 +;*/-+ > $.21? HP &+;0 > 2:.= o"TOTAL DEAD EIGHT =9.9:: o"
EIGHT E>UATION
DISPLACEMENT > LIGHT SHIP DEAD EIGHT
L&- &/ ' 8'&- > 11#.144!4.455 > 1#3.5## -+
D/9'*'- >18'.:88 o"
MODIFICATION OF DRAFT <
Draft = ❑ )C B LB"
K > &'99 +00'-+ ,-+0 > 1.$$"
> /9'*'- > 1#3.5## -
T > 2.'9: ,
S+ -&' 9 * *'+ 0' <
L!p >24.1 *
B > 6.5 *
D > 3.6 *
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T > 2.34 *
S/'' % > 1$.5 ?+-
T089 /'' > 4 ?+-
C B> $.51
C M > $.#413
C P > $.541"
C ℘ > $.6""
C VP > $.!414
D/9'*'- > 1#3.5## -+
> 1""."! m3
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CHAPTER – ;
INITIAL STABILIT* CHEC
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I"$% E$,e o S$%$0
+er$#% Ce"re o B3o0"#0 B
( ) 11 −+= VP C
T
KB
<P+;' L?' 0'+**'' ,+0 &;99 8-& $.#CM
KB > 1.34 *
R'0'+ ,+0*;9-+ 0' ,+99+8 <
T KB
> $.#$ $.36 CM > 1.31*
T
KB
> ($.#$ $.3$ CM $.1$ CB) > 1.32*
T
KB
> $.!" $.2"5 C%P > 1.33*
B 1.'2: ,
Me#e"r$# Rd$3 & BMT "d BML
M+*'- +, I'0- +''- CI CIL 0' ''
CI >
3 LB
I T
CIL >
3 LB
I L
CIL > $.35$ CP2 $.4$5 CP $.146 > $.$33$
CI > ($.13 CP $."! CP2 ) 12 > $.$41!
* T >2!6.45 m4
* L > 21".4 m4
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∇
= T T M
I B
>1.463 *
∇
= L
L M I B
>1.156 *
Tr"@ere S$%$0
KG >2.35 * KM L > KB
BML > 2.4"1*
KM T > KB BM T >2.!"" * GM L > KML
KG > $.13
GM T > KM T KG > $.435 *
C+00'-+ ,+0 ,0'' ;0,'
GM T > GM T $.$3 KG (;*').
> 7.'<9:
IMO 0';9-+ + -9- ,+0 & =''9 --' **;* GM &+;9 ' 7.':
;'0 *+- ;,=+;09' +-+.
E$,$o" o Ce"re o M
T&' %CG +, -&' &;99 ' '-*-' ; ':;-+ ,+99+8<
+CG43%% > $.$1D 46.6 $.135 ( $."1 CB ) ( LD )2 $.$$"D ( LB 6.5 )
L≤
12$ *
1.<< ,
%CG +, -&' *&'0 8'&- ' '-*-'
+CGM > & $.35 ( D@& )
> 7.<='= ,
D>&'&- +, '' 0++* ,0+* ?''9 >1*
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&
≥ 32B 1#$
T (**) (ABS) > $.4#"*
='0-9 '-'0 +, -&' +;-- 8'&- ' '-*-' ; ':;-+ ,+99+8<
+CGo > D 1.25 > 9.;: ,
CHAPTER - 8
RESISTANCE AND POER PREDICTION
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RESISTANCE ESTIMATION & (HOLTROP AND MENON METHOD) &
RTotal
>
( ) ATR BW App F R R R R R K R ++++++ 11
&'0'<
= F RF0-+9 0'-' +0 -+ ITTC 1#5! ,+0*;9
=1 K F+0* ,-+0 +, 0' &;99
=W R
=' *? 0'-'
= B RA-+9 /0';0' 0'-' +, ;9+; +8 '0 -&' 8-'0 ;0,'
=TR R
A-+9 /0';0' 0'-' ;' -+ -0+* **'0+
= A RM+'9 &/ +00'9-+ 0'-'
= App R
A//'' 0'-'
T&' =+; 0'-' 9;9-' ,0+*<
S K C v R F v )1(
2
110
2 += ρ
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=0 F C
F0-+ +''- +0 -+ -&' ITTC 1#5! ,0-+9
>
( ) 210 2log
075.0
−n R
S---9 =9;' +,11 K + ='
11 K + >
( ) ( ) ( ) ( ) 6042.0
3649.03
12.04611.00681.11.//././4871.093.0
−−
∇+ P R C L L L LT L Bc
>
C +''- +;- ,+0 -&' /' &/' +, -&' ,-'0 + ='
C > 1$.$11SternC
SternC
> @25 ,+0 /0+* 8-& ++9
> @1$ ,+0 =@&/' '-+
> $ ,+0 +0*9 '-+ &/'
> 1$ ,+0 U@&/' '-+ 8-& &+' -'0
S' &0*/ -089'0 % &/' &;99 ,+0*
SternC
> @1$
R L -&' 9'-& +, 0; ' '-*-'
= L L R / 14/06.01 −+− p p p C LCBC C
S -&' 8'--' ;0,' 0' ' '-*-' ,0+* -&' ,+99+8 ---99
'0=' ,+0*;9<
( ) ( ) Br Bwp M B M C AC BC C C BT LS /38.23696.0003467.02862.04425.04530.02 5.0 ++−−++=
&'0'
=T A='0' *+;9' 0;&- *
= L-'09' 9'-& *
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= BM+;9' 0'-& *
= LCB LCB,+0
( )+ +0 ,-
( )− +, *&/ /'0'-' +, L
=r B AC0+ '-+9 0' +, -&' ;9 -&' ='0-9 /9' -'0'- -&' -'0
+-+;0 - -&' 8-'0 ;0,'.
T&' 0'-' +, //'' 8 9+ 9' -&' 0';9- /0''-' -&'
,+0* +, ''-=' ,+0* ,-+0 9; -&' ''- +, //''.
( )[ ]tot S
appS K K K K 121 1111 +−+++=+
&'0'
=2 K E'-=' ,+0* ,-+0 +, //''
=appS
T+-9 8'--' ;0,' +, //''
=tot S
T+-9 8'--' ;0,' +, 0' &;99 //''
T&' ''-=' ,-+0 ;' +;-+ 8-& *+' ,+0* +, ':;-+ ()
( ) K S C V Rtot Fov += 12
21 ρ
T&' ''-=' =9;' +,2
K 8&' *+0' -& +' //'' -+ ' +;-' ,+0
' '-'0*' ,+99+8
( ) ( )
∑∑ +
=+i
ii
eectiveS
! S !
2
2
11
I 8&&i
S
( )i
! 21+
0' -&' 8'--' 0' //'' ,-+0 ,+0 -&'i-&
//''
TABLE< EFFECTI%E FORM FACTOR %ALUES2
K FOR DIFFERENT APPENDAGES
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T/' +, //''( )21of value ! +
R;'0 +, 9' 0'8 &/ 1.3 -+ 1.5
S/' -/' 0;'0 +, -8 0'8 &/ 2."
S?'@0;'0 +, -8 0'8 &/ 1.5 -+ 2.$
S&,- B0?'- 3.$
B+ 2.$
B9' ?''9 1.4
S-9'0 2."
S&,- 2.$
S+0 +*' 2.!
F+0 8='@*? 0'-' -&' ,+99+8 ':;-+ +, H='9+? (1#13)
*/9' ,+99+8<
( )2
2321 cos1 −+= n
F "w F "ecccW
R d n λ
I -& ':;-+
λ ,,, 321 C C C
* 0' +''- 8&& '/' + -&' &;99 ,+0*.
Lλ -&' 8=' *? 9'-&. T&' -'0-+ '-8'' -&' -0='0' 8='
+;-' ,+0 -&' +' -'0* 0';9- -&' -/9 &;*/ &+99+8 -&'
0'-' ;0='.
F+0 9+8@/'' 0'
4.0≤n F
-&' ,+99+8 +''- 8'0' '0='
( ) ( ) 3757.10796.17861.3
41 902223105 −−= E i
BT C C
8-&<
( )
≥−=
≤≤=≤=
25.00625.05.0
25.011.0
11.02296.0
4
4
3333.0
4
L B or
B LC
L B or
L BC
L B or L BC
> @$.#
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( ) ( ) 5
31
1 7932.47525.101404.0 C L
B LT
L" −−
∇−=
8-&<
≥−=≤+−=
8.07067.07301.1
8.09844.68673.130798.8
5
325
p p
p p p p
C or C C
C or C C C C
24.3034.0
62 4.0−−= n F
eC "
8-&<
≥∇→=
≤∇≤
−
∇+−=
≤∇→−=
17270.0
172751236.2/0.869385.1
51269385.1
3
6
3
316
3
6
L or C
L or LC
L or C
( ) 1203.0446.1 ≤−= B
L or B
LC pλ
1236.0446.1 ≥−= B
L or C pλ
8&'0'
E i > &9, 9' +, '-0' +, -&' 9+ 8-'09' '0''
( ) ( ) 3
32 8.61551.032.23425.16267.125
−+++−=
T
T T LCBC C
L Bi
a
p p E
8&'0'T > *+;9' 0;&- - A.P
T, > *+;9' 0;&- - F.P
T&' =9;' C2 +;- ,+0 -&' ''- +, -&' ;9.
C2 > 1.$ , + ;9 --' +-&'08'
( )i BT
AeC
B
B BT
+= −
ν
ν 89.1
2
8&'0'
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Bν -&' ''-=' ;9 0; ':;=9'- -+
5.056.0 BT B A=ν
i 0'/0''- -&' ''- +, ;*'0'' +, -&' ;9 '-'0*'
B B hT i ν 4464.0−−=
8&'0'
T, > *+;9' 0;&- - FP
&B > &'&- +, -&' '-0+ +, -&' 0' ABT +=' -&' ' 9'
( ) M T BTC AC /8.013 −=
3C
+;- ,+0 -&' ;'' +, -0+* -'0 + -&' 8=' 0'-'
AT -&' **'0' 0' +, -&' -0+* - '0+ /''.
F+0 && /'' 0'
55.0≥n F
C+''-1C 0' *+' ,+99+8
( ) ( ) 4069.10098.23.346.3.1
1 2/3.6919 −∇= −
B L LC C M
( ) ( ) 6054.03269.0
1 2035.7 B
T L
B" −=
F+0 -'0*'-' /'' 0' ( )55.04.0 ≤≤ n F -&' ,+99+8 -'0/+9-+ ;'
( )
−−+=
5.1
4.0101 0455.0
04
Fn Fn
Fn
W W n
W W
R R F R
W W
R
1"
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T&' ,+0*;9 '0=' ,+0 -&' *+'9@&/ +00'9-+ 99+8' CA
( )( ) ( ) ( )
04.0/
/04.05.7/003.000205.0100006.004.0/00205.0100006.0
2
45.016.0
16.0
≥ −+−+= ≥−+= −
−
WL F
WL F BWLWL A
WL F WL A
LT or
LT C C L LC LT or LC
8&'0' C2 -&' +''- +/-' -+ +;- ,+0 -&' ;'' +, -&' ;9.
T+-9 0'-'
( )[ ] W W
RC ! C S R W
A F tot T .12
1 2 +++= ν ρ
Len#th o R%n 11.$4262
c stern &ro" reerence paper' @1$
c() $.#!
c(* $.5#4!$6554
&(+! ( ' 1.23$#65!44
Wetted S%race Area &",*' 1!$.#43"#51
Re-nold. s /%"0er 1$#541214
Frictional Coeicient $.$$2$5611"
Frictional Resistance &K/' 5.255$41166
1al An#le o Entrance &De#rees' 1#."4#5#5!4
c2 $.26"26#231
c( 14.61#"632
c3 1
c) $
c* 1
c4 $.$4
Fro%de /%"0er $.3512!4##3
c(3 @1.6#3"5
c(5 1.41!!5!6"6
"( @2.#"3156"5!
"* @$.2211$35!2la"da $.6!2212$31
Wave"a!in# Resistance &K/' 11.4$#11625
Model Ship Corelation Coeicient $.$$$!24264
Model Ship Corelation Resistance 1."51$!"351
Total Resistance &K/' 1#.!2"#!$26Total Resistance + (36 Service
allowance&K/' 22.6""315"
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Eective 1orse Power &KW' 122.5441313
T&' -+-9 0'-' '/'0'' &0*/'0 8&' - -0='99 - '0=' /''
(1$.5 ?) 22.<; N.
For @ee% o %,o $,$%r d$,e"$o" &
M /0+/;9+ < D''9 '' (C-'0/990 34$"TA) P+8'0 < 3$$ K8
RPM < 1"$$ RPM
P0+/ *'-'0 < 1.25 *
N;* +, /0+/'99'0 < 1
N;* +, 9' < 3
7PC
E1P S1P service=
R 1 7PC η η η 0=
T&' 0'9-=' 0+--=' '' ='0' 9+' -+ +' (- +0*99 =0' '-8''
$.#5 1.$5)
Rη >1
0η
> $.6
1 η
> $."5
7PC >$.51
SHP 297.2; N
s B1P
lossesonTrans"issiS1P B1P s +=
T0*+ 9+ ' -?' ,+99+8<
A,- E' 1
E' S'* ,- 2
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G'0 9+' 3 -+ 4
BHP 2:2.289
Se%e#$o" o E"!$"e Power&
T&' **;* +-;+; 0- (MCR) +, ''9 '' -&' /+8'0 -&'
'' '='9+/ ,+0 9+ /'0+. B +-;+; 0; +, '' - MCR* ;' ''=' 8'0 -'0. S+ E' *;,-;0' 0'+**' -&'
+-;+; '0=' 0- (CSR) -+ ' 9&-9 9' -& MCR. T&; CSR +, NCR
(N+0*9 C+-;+; R-)
( )95.085.0 to MCR×=
T&; '' '9'-' *;- &=' MCR
95.085.0/ to B1P MCR s=
> 2;7.'2<
POWER RATING OF CATERPILLAR (3408 TA)
Minimum Power 190.0 bkW
Maximum Power 317.0 bkW
Frequency 1500 & 1800 rpm
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CHAPTER – 17 SEA EEPING RE>UIREMENTS
SEA EEPING RE>UIREMENT
Bow Freeord0ow F
L
V
γ $.6$ $.!$ $."$ $.#$
L
F 0ow
$.$45 $.$4" $.$56 $.$!5
γ
> $.5#6
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L
V
γ > $.!31
L
F 0ow
> $.$4#2
B+8 ,0''+0 > 1.1;= ,
ROLL PERIOD&
E09 '-*-' +, *+-+ -;09 ,0':;'' ''-=' '-*-' +,-'
' *' ,+0 -&' -&0'' -;09 ,0':;'' 0+99 &'=' /-& ' +9
;/+ -&' &0-'0- /0*'-'0 +, -&' =''9. T&'0 ''-=''
;;99 '/' ;/+ -&' &;99 ,+0* ' 9+' -+ -&' +0*.
A //0+*-' 0+99 -;09 /'0+ ' '0=' ; */9' +'@'0''
+, ,0''+* *+'9 '9<
t M 8! T /007.2 11=φ
11!
-&' 0+99 0; +, 0-+
KB! 50.011 =
B40.0≈ > 2.6
φ T
=.81
T&' '+;-'0 /'0+ 9+@ 0'-' +9:;' ' =' <
( )( )we # V T θ ω ω π cos//2 2−=
ω
-&' 8=' ,0':;' > $.$6 8=' '
% &/ /''
wθ
-&' 8=' 9' 0'9-=' -+ -&' &/ &'
•=0wθ ,+99+8 '
•= 09wθ '* '
•= 018wθ H' '.
T? ,+0 9' +, 45
0
eT
17;.2=
. A //0+*-' /-& -;09 /'0+ 9+ ' '0=' ; */9'
+'@ '0'' +, ,0''+* *+'9 '9<
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L8M ! T /007.2 22=θ
.26.024.0 22 L! L ≤≤
22!
>6.$25 θ T
''.7'
A//0+*-' &'=' -;09 /'0+
( ) )/2.13(007.2 pw Bh C T BC T T ++=
17.19
C+-+ -+ ' =+' >
θ T T h = @ =+'
θ T T h =2
@ =+'
θ φ T T = @ =+'
θ φ T T 2=@ =+'
O='099 S'?''/ R? ;' B9' 0'0'+ 9 -+ +-
0? '-*-+0 ,+0 ='0-9 /9' '?''/ /'0,+0*' +, +*--
*++&;99.
T& '-*-+0 R̂
'9 0? ;*'0 '-8'' 1 (/++0 '?''/)
1$ (;/'0+0 '?''/) & -&' ,+99+8 ,+0*<
a pv pva pw pw C C LC LT C C R 9.155.23/27.1/3781.101.4542.8ˆ −−+−++=
%9;' +, C +- /''
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CHAPTER – 11
HULL +IBRATION
H3%% +$r$o" C%#3%$o"
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For wo "ode +er$#% +$r$o" 43%% re3e"#0 $
Todd
( ) 2
2/1
3
3
1(cpm) )3/2.1
.C
LT B
D BC / E +
∆+=
> 5$3.!24
&'0' DE < ''-=' '/-&
DE <[ ] 3/1
1
3
1 / L L D∑>3.6 *
&'0' D1< D'/-& ,0+* ?''9 -+ ? ;'0 +'0-+
L1 < L'-& +, .. ?
1C > 44$$$
2C >2$
Hor$o"% +$r$o"
Brow"
F+0 2 +' &+0+-9 =0-+ &;99 ,0':;'
cp" L B D / 1 1
2/1
3
3
2.. ∆=β
&'0'= 1
β 42$$$ +-&'0 :;--' B0-& ;-.
1 / 2
>112$.$4
1 1 / / 22 5.1=>16"$.$6
1 1 / / 23 .2= > 336$.12
1 1 / / 24 3=>1$$"$.32
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CHAPTER – 11
RUDDER DESIGN
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U$"! DELFT Sowre 4e 5re%$,$"r0 r3dder 5ro5er$e ($"#%3d$"! %$
"d dr!) 4@e ee" o$"ed.
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Reere"#e&
1. To""!e ,e3re,e" 4$5 de$!" "d #o"r3#$o" Roer
!!r2. F$4$"! @ee% de$!" "d #o"r3#$o" M.re $%o" '. S,%% o de$!" o4"" M Re$"4r
9. S,%% 4$"! o de$!" o4" F0o" :. MARINE DIESEL ENGINE DATABASE .<. DELFT owre.
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