Rocks & mirror
WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

5803 results

marine

Local fracture of a tank boundary weld.

marine

A condition in which at least services such as cooking, heating, domestic refrigeration, mechanical ventilation, sanitary and fresh water are adequately provided.

marine

The minimum breaking load of a mooring line as declared by the manufacturer for a new line.

marine

A line diagram of a pipe system or items of equipment which includes miniature alarm lights or operating buttons for the relevant point or item in the system.

marine

In Wärtsilä engines the inlet valves close just before the piston reaches the bottom dead centre.

marine

An oxide of iron which appears on the metal surface during manufacture. It is usually removed by suitable surface treatment prior to priming and painting.

marine

The section modulus of a transverse section of a hull girder amidships, evaluated by taking into account the longitudinally effective material.

marine

1. The cross section through the ship, midway between the forward and after perpendiculars. 2. A drawing showing standard cross sections of the hull at, or near amidships, and presenting the scantlings of the principal structural members.

marine

Lightweight, movable decks used on fast ferries. If traffic is freight dominated, the crew can hydraulically raise the mezzanine deck up to the deckhead to allow clearance for high freight vehicles.

marine

see POWER-SAVING DEVICES.

marine

The double-hulled methanol carrier MILLENNIUM EXPLORER has twice the capacity of any other vessel of its type. Total cargo capacity is around 120,000m3. Methanol is transported in 12 cargo tanks.

marine

Methane hydrate is a cage–like lattice of ice inside of which are trapped molecules of methane, the chief constituent of natural gas. If methane hydrate is either warmed or depressurized, it will revert back to water and natural gas.

marine

The vertical distance between G and M is referred to as the metacentric height. The relative positions of vertical centre of gravity G and the initial metacentre M are extremely important with regard to their effect on the ship’s stability.

marine

When a ship floating at rest in still water is inclined by an external force to a small angle fi, the centre of buoyancy shifts from B to the new position – Bfi.

marine

Dinning room for officers or crew.

marine

A light line attached to the end of a main mooring line and used to assist in heaving the mooring to the shore or to another ship.

marine

The Rolls-Royce’ s podded propulsor developed by Kamewa and Alstom and available from 5 to 25MW.

marine

Agreements on port state control signed in several regions of the world by the coastal states ; 1982 Paris MOU for the European region, 1992 Latin America agreement, 1993 Tokyo MOU for the East Asia region, etc.

marine

Membrane systems exploit the double hull of the ship as the supporting structure on which a cryogenic liner – performing the two functions of gas tightness and thermal insulation – is applied.

marine

Built in Japan at the Namura yard, the methanol carrier MILLENNIUM EXPLORER is equipped with the world largest ship-based nitrogen generator system.