Practical Ship Hydrodynamics Episode 6 pps

... 96 Practical Ship Hydrodynamics What is the resistance of a ship with L pp D 150 m if the ship is geometri- cally and dynamically similar to the base ship and the approach ... 0.35 Ð10 3 . 6. A ship of 150 m length sails with 15 kn on water of 12 m depth. It experi- ences a dynamic sinkage amidships of 1 m and a trim (bow immerses) of 1 06 Practical Ship Hydrodynamics...

Ngày tải lên: 13/08/2014, 09:20

... debate over turbulence modelling for engineering applications, but for ship flows we will have to wait at least 20 Practical Ship Hydrodynamics full-scale will become available overcoming current uncertainties ... methods have no practical relevance for ship flows. The interested reader may find some introduction in Peyret and Taylor (1985). 1.4.3 Applications Practical CFD applica...

Ngày tải lên: 13/08/2014, 09:20

... containerships and ro-ro ships model tests are often performed as part of the regular design process, as IMO regulations require Practical Ship Hydrodynamics Volker Bertram 6 Practical Ship Hydrodynamics This ... Higher-order panel 218 6. 3 Vortex elements 223 6. 4 Dipole elements 2 26 6. 4.1 Point dipole 2 26 6. 4.2 Thiart element 227 6. 5 Special techniques 229 6. 5.1...

Ngày tải lên: 13/08/2014, 09:20

... 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° 120° 160 ° 200° 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 * ... Poisson 36 Practical Ship Hydrodynamics ž Unstructured grids Unstructured grids allow the largest flexibility in grid generation, but require far more effort and are there...

Ngày tải lên: 13/08/2014, 09:20

... 66 Practical Ship Hydrodynamics ž Wave resistance The ship creates a typical wave system which contributes to the total resistance. ... carriage in a towing tank keeps its speed with high precision. The 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 ... resistance test (without propel...

Ngày tải lên: 13/08/2014, 09:20

... 0 .6 0.7 0.8 V 2 /( g . H ) 0.1 0.2 0.3 0.4 0.5 0 .6 0.7 0.8 0.9 √ A m / H 10% 9 8 7 6 5 4 3 2 1% 0.1% Figure 3.10 Percentage loss of speed in shallow water (Lackenby (1 963 )) 74 Practical Ship Hydrodynamics 0 ... basins and shipyards. Exam- ples are Table 3.1 and: c A D 0.35 Ð10 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....

Ngày tải lên: 13/08/2014, 09:20

... 4.3 0 .6 2 343 1 324 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.3 5.3 5.3 21 165 25 562 3 06 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5.3 6. 2 14.3 17 770 51 66 8 20 543 308 0 0 0 0 0 0 0 0 0 0 0 0 0 6. 2 7.1 26. 4 14 66 6 38 ... 9 86 4 65 9 4 948 4 947 4 7 26 4 117 3 062 2 318 215 0 0 0 0 0 13.2 14 .6 97.7 547 1 038 1 527 2 122 2 418 2 63 3 2 788 2 754 2 63 2 2 385 3 043 784 78 0 0 0 0 14 .6 16. 4 99.1...

Ngày tải lên: 13/08/2014, 09:20

... distributions Section 4.4 .6 treated ship reactions in stationary seaway. This chapter will cover probability distributions of ship reactions r during periods T with 142 Practical Ship Hydrodynamics However, ... workstations, in practice 1 46 Practical Ship Hydrodynamics 4 .6 Exercises: seakeeping Solutions to the exercises will be posted on the internet (www.bh.com/com- pa...

Ngày tải lên: 13/08/2014, 09:20

... Container Twin-screw ship Tanker Tanker ship salvage tug L/B 6. 66 5.83 6. 11 7 .61 5.21 B/T 2. 46 2.43 2. 96 2.93 2.25 C B 0 .66 0.84 0.81 0.58 0.58 C D 0. 562 0.983 0.594 0.791 0.8 26 C D10 ° 0.511 1.151 ... Tanker Series 60 Container Ferry Y 0 P v 11 420 12 60 8 6 755 7 3 96 Y 0 P vv 2 21 560 34 899 10 301 0 Y 0 Pr 714 771 222 60 0 Y 0 Prr 2  468 166 63 0 Y 0 0 244...

Ngày tải lên: 13/08/2014, 09:20

... 0.1002 0. 066 9 0.09 96 0.0 960 0 0.0 967 2 0.08952 0.4500 – – – 0.1000 – – 0.0 863 0 0.5000 0.0742 0.0 766 0.05 36 0.0 965 0.08300 0.08824 0.08114 0 .60 00 0.0480 0.0533 0.0377 0.0 766 0. 063 40 0.0 760 6 0. 066 58 0.7000 ... 0.0553 0.03 06 0.0230 0.031 56 0.031 56 0.02177 0.0250 0.0732 0.0732 0.0409 0.03 06 0.043 56 0.043 56 0.03005 0.0500 0.09 46 0.09 46 0.0530 0.0419 0.05924 0.0...

Ngày tải lên: 13/08/2014, 09:20