Shrimp Trawler

7/24/2019 Shrimp Trawler

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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



CHAPTER -1

DESIGN PROBLEM



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 )



CHAPTER – 2

INTRODUCTION

INTRODUCTION

I +;0 +;-0 & -=-' ',+0' '/''' 8'0' +' -+

-0-+9 &'0* '*/9+ '+; & 0,- '0.

S;':;'-9 *'&-+ 8 --' -+ */0+=' -&' ++@'++* +-+



+, &'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.



• 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' -&'* -+

-&' '-.



CHAPTER – '

PARENT SHIP ANAL*SIS AND ROUTE

SPECIFICATION

PARENT SHIP ANAL*SIS&



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



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&



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.



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*



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



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



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"



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+;



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!





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



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



" 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



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;'



• %+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 *



CHAPTER – =

LIGHT SHIP EIGHT ESTIMATE



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+? $.!$



( )

−

−+=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





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 -



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 *



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



CHAPTER – ;

INITIAL STABILIT* CHEC



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



∇

= 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*



&

≥ 32B 1#$

T (**) (ABS) > $.4#"*

='0-9 '-'0 +, -&' +;-- 8'&- ' '-*-' ; ':;-+ ,+99+8<

+CGo > D 1.25 > 9.;: ,

CHAPTER - 8

RESISTANCE AND POER PREDICTION



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



=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'-& *



= 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



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

> @$.#



( ) ( ) 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'



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"



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"



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



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





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



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<



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 +- /''



CHAPTER – 11

HULL +IBRATION

H3%% +$r$o" C%#3%$o"



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



CHAPTER – 11

RUDDER DESIGN



U$"! DELFT Sowre 4e 5re%$,$"r0 r3dder 5ro5er$e ($"#%3d$"! %$

"d dr!) 4@e ee" o$"ed.



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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