Before studying in detail the various technical branches of naval architecture it is important to define chapters. The purpose of this chapter is to explain these terms and to familiarise the reader with them. In the first place the dimensions by which the size of a ship is measured will be considered; they are referred to as 'principal

The general approach Earlier Parts have given a broad picture of the economic environment within which marine transport operates, and the mechanics of making economic calculations. Ship design links the two, i.e., the marine transport requirements must be developed into a series of feasible ship designs

Template Structures By far the most common type of fixed offshore structure in existence today is the template, or substructure that extends from the seafloor to above the water surface and a prefabricated steel deck located atop the substructure. The deck is supported by pipe piles driven through the legs of the substructure into the seafloor. These piles not

The sophistication of modern control systems and the reliability of the equipment used have resulted in machinery spaces remaining unattended for long periods. In order to ensure the safety of the ship and its equipment during UMS operation certain ess certain essential requirements must be met:

The complete electrical plant on board ship is made up of power generation equipment, a distribution system and the many power utilising devices. Electricity is used for the motor drive of equipment. A constant supply of electricity is essend:lighting ventilation and air conditioning

Taking a brand new ship to sea for the first time is naturally quite an event after so many months of preparation and hard work, and the prevailing spirit is one of cheerful optimism, especially if the hopes of good weather have materialized. As soon as the trials party is assembled on board, the pilot, who has probably been waiting in the wheelhouse for some time, orders the gangway

The lines plan;fairing A lines plan, usually 1/48 lifesize scale drawing of a ship, is used by designers to calculate required hydrostatic, stability, and capacity conditions. Full-scale drawings formerly were obtained from the lines plan by redrawing it full size and preparing a platform of boards called a \scrive board\showing the length and shape of all frames and beams. Wood tem plates were then

The wooden ship was constructed on a building berth, around which timbers ad planking were cut and shaped, and then fitted together on the berth to form the hull. A similar practice was followed with iron vessels and, later, with the earlier was followed with the earlier

Structural design After having established the principal dimensions form, and general arrangement of the ship, the designer undertakes the problem of providing a structure capable of withstanding the forces which may be imposed upon it The hull of steel merchant ship is a complex structure, unique in the field of engineering structures in that it is primarily plate structure

1 consumer n消费者 2 social ad社会的;交际的,社交的 3 product n产品,产物;乘积 4ikey可能的,有希望的,适合的 5. systemn.系统,体系;制度、体制;方法、做法;身体