Rocks & mirror
WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

C

620 results

Centreline girder, centre girder

marine

A vertical plate on the ship's centreline between the outer and inner bottom plating, extending the length of the ship.

Centrifugal force

energy

Centrifugal force is an inertial force that appears to act on all objects when viewed in a rotating frame of reference.

Centrifugal governor

energy

A centrifugal governor is a specific type of governor with a feedback system that controls the speed of an engine by regulating the flow of fuel or working fluid, so as to maintain a near-constant speed.

Centrifugal pump

energy

Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow.

Centrifuge

energy

A centrifuge is a device that uses centrifugal force to separate various components of a fluid.

CERN

energy

European Organization for Nuclear Research

Certificate of Registry

marine

Held by the shipowner it indicates registration of the vessel and gives full details of the ship. It is not a document of title to the ship.

Certificate of Seaworthiness

marine

When a classed vessel suffers damage, the classification society carries out aseaworthiness survey after repairs have been completed.

Certificates for masters, officers or ratings

marine

Certificates issued by a National Authority following passed examination; a specified period of sea service and completion of other courses or requirements.

Certified HSE Management System

energy

A Certified HSE Management System is an integrated approach where all the 3 HSE factors are effectively managed to reduce risks in the workplace.

Certified person

marine

A person who holds a certificate of proficiency in survival craft.

Cetane number

marine

A figure used to indicate the ignition quality of a fuel. The higher the cetane number, the shorter the time between fuel injection and its ignition.

CFR-600

energy

The CFR-600 is a sodium-cooled pool-type fast-neutron nuclear reactor under construction in Xiapu County, Fujian province, China, on Changbiao Island.

Chafe chain, chafing chain

marine

A chain at the end of a towing line or Single Point Mooring hawser, normally guided through a chock at the edge of the tanker deck.

Chafing

marine

The action of being fretted and worn by rubbing; applies to ropes, parts of the ship's structure, cargo and so on.

Chafing plate

marine

A piece of plating fitted on such parts of the hull that are subjected to rapid wear by chafing.

Chain

marine

Connected metal rings or links used for holding anchor, fastening timber cargoes, etc.

Chain drive

marine

The use of a chain to drive the camshaft. A sprocket wheel is fitted to the crankshaft and the camshaft and an adjustable spring loaded wheel is provided for chain tightening.

Chain locker

marine

A compartment located under the windlass where the anchor chains are stowed. It is usually subdivided inside by a longitudinal bulkhead. Chain locker is to be made watertight to the weather deck.

Chain pipe

marine

A heavy pipe fitted directly under the windlass to lead the anchor chain to the chain locker.

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