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...

Ngày tải lên: 13/08/2014, 09:20

... 13 7 302 Y 0 vr 2 19 040 37 16 9  31 214 44 365 Y 0 vυ 2 004 668 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...

Ngày tải lên: 13/08/2014, 09:20

... S ¨ oding:  x 1 C2h x 1 fxe 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 fx 1 , f 2 D fx 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...

Ngày tải lên: 13/08/2014, 09:20

... 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...

Ngày tải lên: 13/08/2014, 09:20

... 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...

Ngày tải lên: 13/08/2014, 09:20

...  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 0.7nD 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...

Ngày tải lên: 13/08/2014, 09:20

... 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 ÐR n Ð 10 9  2 .1  a 2  a C 0.62 with a D max0.6, minC 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...

Ngày tải lên: 13/08/2014, 09:20

... 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...

Ngày tải lên: 13/08/2014, 09:20

... 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...

Ngày tải lên: 13/08/2014, 09:20

... 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...

Ngày tải lên: 13/08/2014, 09:20