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Initial stages of the design process have the greatest impact on energy efficiency since all major decisions, such as machinery and main dimension definitions, are made then. However, in vessel efficiency the operation of the vessel plays the largest role. It should guide the design process from the very start, so defining the operating profile…
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Bulkheads Watertight Bulkheads Advantages of Watertight Bulkheads Number of watertight bulkheads — cargo ships Water-tight Bulkheads: General Spacing Water-tight Bulkheads Spacing: Bulk Carriers Water-tight Bulkheads Spacing: Passenger Ships Water-tight Bulkheads Spacing: Cargo Ships The applicable number and disposition of bulkheads are to be arranged to suit the requirements for subdivision, floodability and damage stability, and…
Pure car carrier is designed exclusively for the transportation of vehicles with multiple deck holds. The vehicles are loaded / discharged through the Rampway. Types of RO/RO Ships MULTI DECK CONSTRUCTION For the purpose of carrying maximum amount of vehicles in a limited space on board a vessel. PCC has several kinds of deck structures which are capable of carrying and adaptable to different type of vehicles including sedans, trucks, bulldozers, catter pillars, and specialized vehicles…
The Gas Sampling system is a gas detection system which monitors and detects explosive gases in the pump room. The system monitors for hydrocarbon content. Additionally, there are two gas sampling points in the accommodation, one at each entrance door on ‘A’ deck. The gas detection system is an automatic scanning, permanently installed gas detection…
When a ship has to steer a single course for a long time it would be tiresome for the helmsman to concentrate and steer. The aytopilot does the job of the helmsman by continuously obtaining feedback from the gyrocompass and commanding the steering gear approporately such that the ship steers the course set by the…
Purpose of steering gear The steering gear provides a movement of the rudder in response to a signal from the bridge to steer the ship. Accidents because of steering gear failure are common in the maritime industry. Such incidents have led to some serious accidents in past, causing heavy damage to ship, its crew and…
Oil tanker – A ship constructed or adapted primarily to carry oil in bulk in its cargo spaces. This includes combination carrier and any chemical tanker when they carry a cargo or part cargo of oil in bulk. Beam and draft restriction have led to a few preferred sizes of oil tankers: About 35,000-45,000dwt: Panamax…
Principal Particulars Length Of Vessel LOA – ( Length OverAll ) – This is the maximum length of the ship between. Forward Perpendicular (FP ): This is a vertical line passing through the point where the summer water line touches the stem of the ship. Aft perpendicular (AP ) : This is a vertical line at the intersection…
Let us now look at the methods by which the designers ensure the strength in spite of these stresses. Before we go further we would like you to see the following. ► A bulwark with its stay ► A booby hatch or a tank opening (hint: see from beneath the deck) ► A weathertight door on…
Modern ships vary considerably in details of their construction, according to their size and type, but almost all conform to basic systems of construction. They are all designed to cater to the intended use including: ■ Type of cargoes and / or passengers to be carried ■ Area of operation, ■ Framing systems, ■ Sub division…