Rocks & mirror
WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

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329 results

Barge

marine

A flat-bottomed craft of full body, applied for the transportation of bulky freight such as coal or lumber, sand, stone, and so on, usually without engines or crew accommodation.

Barge aboard catamaran

marine

A way of loading cargo into large barges and then in turn loading the barges into a ship.

Barge carriers

marine

Ships designed to carry either barges or containers exclusively, or some variable number of barges and containers simultaneously.

Barnacle

marine

A small, primitive sea animal with a calcareous shell which in its adult form lives attached to some alien object, such as a ship hull, wharf piles, and the like.

Barometer

energy

An instrument that measures atmospheric pressure.

Barometric pressure

energy

Barometric pressure is the pressure within the atmosphere of Earth.

Barred speed range of the diesel engine

marine

Engine speeds that create harmful torsional vibration. The operation within the barred range is to be avoided.

Barrel

marine

Measure of oil. There are 7.1 barrels of oil in one ton. Each barrel is approximately 159 litres.

Barrel of oil equivalent

energy

The barrel of oil equivalent is a unit of energy based on the approximate energy released by burning one barrel (42 US gallons or 158.9873 litres) of crude oil.

Base line

marine

A horizontal line drawn along the top edge of the keel from midships.

Base number (BN)

marine

Measure of a lubricant’s reserve alkalinity. It is measured in milligrams of potassium hydroxide per gram (mg KOH/g).

Basic design, initial design

marine

That part of the overall ship design process, which commences with design concept and terminates when there is reasonable assurance...

Batch

marine

A collection of products or data, treated as one entity with respect to certain operations e.g. processing and production.

Battening device

marine

A device fitted between a hatch cover panel and the coaming which forces the cross joint together.

Battens

marine

Members protruding from the inside walls of a vessel hold or a (thermal) container to keep away the cargo from the walls to provide an air passage.

Battery backup inverters

energy

Battery backup inverters, are special inverters which are designed to draw energy from a battery, manage the battery charge via an onboard charger, and export excess energy to the utility grid.

Battery charger

energy

A battery charger, or recharger, is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.

Battery storage power station

energy

A battery storage power station is a type of energy storage power station that uses a group of batteries to store electrical energy.

Battery-to-grid

energy

A grid-tied electrical system.

Bauxite

marine

The raw material for the manufacturing of aluminium; it stows at 0.7-1.1 m3/t.

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