Practical Ship Hydrodynamics Episode 1 ppt
Practical Ship Hydrodynamics Episode 1 ppt
... yields:
F
s
F
m
D
c
s
Ð
1
2
s
Ð V
2
s
Ð A
s
c
m
Ð
1
2
m
Ð V
2
m
Ð A
m
D
s
m
Ð
A
s
A
m
Ð
V
s
V
m
2
Practical Ship Hydrodynamics
Preface ix
1 Introduction 1
1. 1 Overview of problems and
approaches 1
1. 2 ... bibliographical references and index.
ISBN 0 7506 48 51 1
1. Ships – Hydrodynamics I. Title.
VM156 .B457 2000
623.8
0
12 –dc 21 00-034269
ISBN 0 7506 48...
Practical Ship Hydrodynamics Episode 9 ppt
... 13 7 302
Y
0
vr
2
19 040 37 16 9 31 214 44 365
Y
0
vυ
2
004 668 2 19 9
Y
0
r
4 842 4 330 2 840 1 9 01
Y
0
r
2
0 15 2 85 0
Y
0
r
3
1 989 2 423 1 945 1 3 61
Y
0
ru
0 1 305 2 430 1 297
Y
0
ru
2
0 ... Ferry
Initial F
n
0 .14 5 0.200 0 .15 9 0.278
m
0
14 622 11 432 6 399 6 765
x
0
G
m
0
365 57 12 7 11 6
I
0
zz
766 573 329 319
X
0
Pu
1 077 1 064 0 0
X
0
Puu
2
5 284 0 0 0...
Practical Ship Hydrodynamics Episode 12 pptx
... S
¨
oding:
x
1
C2h
x
1
fxe
ikx
dx D
e
ikx
1
k
e
2ikh
0.5f
1
2f
2
C 1. 5f
3
kh
i
f
3
2
f
k
2
h
2
C
1. 5f
1
2f
2
C 0.5f
3
kh
C i
f
1
2
f
h
2
k
2
where f
1
D fx
1
, f
2
D fx
1
C ... D
4
z
1
t
1
z
2
t
2
1
x
2
C y
2
y
x
0
C
1
x
t
1
ð
1
y
2
C z
2
1
0
z
1
y
i
1
x
t
2
1
y
2
C z...
Practical Ship Hydrodynamics Episode 2 pps
... constants:
Dk
Dt
D
1
t
1. 0
k
x
x
C
t
1. 0
k
y
y
C
t
1. 0
k
z
z
C P
k
ε
Dε
Dt
D
1
t
1. 2
ε
x
x
C
t
1. 2
ε
y
y
C
t
1. 2
ε
z
z
C 1. 44
ε
k
P
k
1. 92
ε
2
k
P
k
is ... methods have no practical relevance
for ship flows. The interested reader may find some introduction in Peyret and
Taylor (19 85).
1. 4.3 Applications
Practical C...
Practical Ship Hydrodynamics Episode 3 docx
... 240° 280° 320° 36 0°
P
/
D
=
1. 6
1. 4
1. 2
1. 0
0.8
0.6
C
T
*
h
C
T
*
P
/
D
=
1. 6
1. 2
1. 0
0.8
0.6
1. 4
10
C
Q
*
,
C
Q
*
h
,
C
T
*
P
/
D
=1. 6
1. 4
1. 2
1. 0
0.8
0.6
b [°]
Figure 2.4 Four-quadrant ... 41
K
T
K
T
K
Q
10
.
K
Q
h
h
Advance coefficient
J
Figure 2.3 Propeller diagram
10
C
Q
*
2.6
1. 6
1. 2
0.8
0.4
0
−0.4
−0.8
1. 2
1. 6
0° 40° 80° 12 0° 16...
Practical Ship Hydrodynamics Episode 4 docx
...
c
:
c
D
T
q
2
0.7R
A
p
q
0.7R
D
1
2
V
2
R
V
R
D
V
2
A
C 0.7nD
2
0.5
0.4
0.3
0.2
0 .15
0.08
0.06
0.05
0 .1
0 .1
0 .15 0.2 0.3 0.4 0.5 0.6 0.8 1. 5 2.0 6′
v
1. 0
Upper limit for merchant ship propellers
t
Figure 2 .13 Burill ... model is kept on
52 Practical Ship Hydrodynamics
6′
2
6′
2
6′
2
K
T
K
Q
h
h
10
.
K
Q
K
T
J
Figure 2 .11 Influence of cavitation on propeller c...
Practical Ship Hydrodynamics Episode 5 doc
... basins and shipyards. Exam-
ples are Table 3 .1 and:
c
A
D 0.35 10
3
2 ÐL
pp
Ð 10
6
c
A
D 0 .11 ÐR
n
Ð 10
9
2 .1 a
2
a C 0.62 with
a D max0.6, minC
B
, 0.8
84 Practical Ship Hydrodynamics
The ... 0.2 0.4 0.6 0.8 1. 0
F
n
4
/
C
Fo
1. 0
1. 1
1. 2
1. 3
1. 4
C
T
/
C
Fo
(1+
K
)
Figure 3.7 Extrapolation of form factor
Model test results for several Froude n...
Practical Ship Hydrodynamics Episode 6 pps
... than
10
4
10
3
10
2
50 40
l (m)
0
0.2
0.4
0.6
0.8
1. 0
1. 2
1. 4
1. 6
1. 8
w
e
(s
1
)
Ship passes waves
−25 kn
−20 kn
10 kn
−5 kn
0
Following
head waves
5 kn
15 kn
30. kn
0.2 0.4
0.8
1. 0 1. 4
w (s
1
)
25 ... 10
6
m
2
/s.
The experiments yield for the model:
V
m
(m/s) 0.5 0.6 0.75 0.85 1. 0 1. 1 1. 2
R
T,m
(N) 0.402 0.564 0.867 1. 114 1. 584 2.054 2.7 51
(a) Dete...
Practical Ship Hydrodynamics Episode 7 pot
... 10 .1 75.9 7 894 21 2 21 26 655 37 214 39 675 36 18 9 17 12 0 2 768 307 0 0 0 0 0 0 0 0
10 .1 11. 1 85.4 3 062 8 16 7 11 945 14 497 15 6 21 15 314 13 579 9 18 8 3 369 714 0 0 0 0 0 0 0
11 .1 12 .1 91. 3 1 ... 0 0
14 .6 16 .4 99 .1 269 412 719 942 1 069 1 259 1 312 1 374 1 358 1 325 2 246 1 303 378 44 0 0 0
16 .4 18 .6 99.8 11 0 12 4 290 314 424 4 51...
Practical Ship Hydrodynamics Episode 8 doc
... 0.8
H
= 0.8
1. 0
1. 8
0.6
0.4
0.2
H
= 2.2
1. 8
1. 4
1. 2
1. 0
0.8
0.6
0.4
0.2
1. 0
0.5
0
1. 0
0.5
0
0.6
0.4
0.2
0
1. 2
1. 0
0.8
0.6
0.4
0.2
0
0.4 0.8
w
2
B
/ (2
g
)
w
2
B
/ (2
g
)
1. 2
0.4 0.8 1. 2
w
2
B
... (19 67) relation for peak impact pressures
ˇ 0
°
1
°
3
°
6
°
10
°
15
°
18
°
P
peak
(kPa) 10 2 V 11 5 V
1. 4
18 9 V
1. 6
64.5 V
2
31 V
2
17 .8 V
2
Wagner’s...