Rocks & mirror
WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

M

253 results

Momentum

energy

Momentum is the product of the mass and velocity of an object.

Monitoring

marine

Act of checking equipment and surroundings constantly in order to detect changes.

Monitoring system

marine

A system designed to supervise the operational status of machinery or systems by means of instruments which provide displays of parameters and alarms indicating abnormal operating conditions.

Monitoring workstation

marine

Workstation from where equipment and environment can be checked constantly.

Monopile Foundation

energy

A single, generally large-diameter, foundation structural element to support all the loads (weight, wind, etc.) of a large above-surface structure used for offshore wind turbines installations.

Monopole

energy

A freestanding type of tower that is essentially a tube, often tapered in wind turbines.

Monotube steam generator

energy

A type of steam generator consisting of a single tube, usually in a multi-layer spiral, that forms a once-through steam generator.

Montreal Protocol

energy

The Montreal Protocol on Substances that Deplete the Ozone Layer, also known simply as the Montreal Protocol, is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.

Moonlight

energy

Moonlight consists of mostly sunlight reflected from the parts of the Moon's surface where the Sun's light strikes.

Moonpool

marine

A large opening through the deck and bottom of drill ships, diving support vessels or well intervention vessels, allowing to lower tools and instruments into the sea.

Mooring

marine

Securing a ship at a pier or elsewhere by several lines or cables to limit her movement.

Mooring and Towing Manual

marine

A novel document with index and characteristics of machinery, equipment, shipboard fittings and ropes available for mooring and towing. It must be available on board for the guidance of the Master.

Mooring arrangement, mooring pattern, mooring layout

marine

The geometric arrangement of mooring lines between the ship and the berth. See also Arrangement of chocks and bitts for transit of Panama Canal.

Mooring drums

marine

Mooring drums may be either split or undivided. For either type of drum, the diameter should be 16 times the wire rope diameter.

Mooring equipment

marine

Mooring equipment includes mooring winches, anchor windlasses, chain stoppers, fairleads and capstans.

Mooring fittings, shipboard fittings

marine

Bollards and bitts, fairleads, stand rollers and chocks used for the normal mooring of the ship and similar components used for the normal towing of the ship.

Mooring lines

marine

Lines (or cables) used to secure a ship at a berth. Mooring lines should be arranged as symmetrically as possible about the midship point of the ship.

Mooring restrain

marine

The capability of a mooring system to resist external forces on the ship.

Mooring retention

marine

Number of mooring lines by line breaking strength.

Mooring trials

marine

Testing of main propulsion machinery with the ship moored.

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