Page 15 - Ship Construction.DJ Eyres 6Ed
P. 15
Ch01-H8070.fm Page 4 Wednesday, October 18, 2006 6:51 AM
4 Ship Construction
Vessel
objectives
Proportions Cost Concept
estimate design
Preliminary
design
Lines Stability
--- ใช้เพื่อการศึกษาเท่านั้น---
Contract
design
งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
Hydrostatics Capacities
Weight
Freeboard estimate
and subdivision
Powering
General
arrangements Structure
FIGURE 1.1 Design spiral ึ
Information Provided by Design
When the preliminary design has been selected the following information is
available:
Dimensions
Displacement
Stability
Propulsive characteristics and hull form
Preliminary general arrangement
Principal structural details
Each item of information may be considered in more detail, together with
any restraints placed on these items by the ships service or other factors
outside the designer’s control.
1. The dimensions of most ships are primarily influenced by the cargo
carrying capacity of the vessel. In the case of the passenger vessel, dimen-
sions are influenced by the height and length of superstructure containing
the accommodation. Length where not specified as a maximum should be a
