E

92 Results
  • Earthing

    The electric connection of equipment to the main body of the earth to ensure that it is at earth potential. On...

  • EC directive on marine equipment (European Union Marine Equipment Directive)

    The directive of European Commission about marine equipment for which international conventions require the approval...

  • ECDIS

    see electronic chart display and information system.

  • Edge griding

    The treatment of the edge before secondary surface preparation.

  • Edge preparation

    The shaping of a plate edge for welding. This may take the form of a V, X, Y, or K edge profile.

  • Edible oil tanker

    A tanker designed for the carriage of edible oils for food industry. The STAR BONAIRE is a sea/river tanker suitable...

  • Edible oils

    Cocoa butter, coconut oil, palm oil, peanut oil, rape oil, soya bean oil, sunflower oil. Most of edible oils have...

  • Effective clearing of the ship

    The ability of the free-fall lifeboat to move away from the ship after free-fall launching without using its engine.

  • Efficiency

    The ratio of output to input for a system or operation. It is usually expressed as a percentage.

  • Efficiency Rudder

    A patented semi-balanced rudder developed by Wärtsilä Corporation. The Efficiency Rudder is characterised by a...

  • EIAPP statement of compliance

    When testing the engine for NOx emissions, the reference fuel is Marine Diesel Oil (Distillate) and the test is...

  • Ejector

    A pump that has no moving parts or a mechanical driver. The pumping action is created as a pressurized fluid, referred...

  • Ekranoplans, also wing-in-ground (WIG) effect crafts

    Flying ships pioneered for military purposes in the 1930s by Russian aeronautical engineers. WIG craft flies just...

  • Elastic limit, yield point

    The maximum stress that can be applied to a metal without plastic deformation.

  • Elasticity

    The structural member capability of sustaining stress without permanent deformation, i.e. to recover its original...

  • Electric motors

    The electric motor converts electrical energy to mechanical energy. The most frequently used type of electric motor...

  • Electric network

    All equipment and installations connected at the same rated voltage. - Isolated electric network – A system in...

  • Electric network with earthed neutral

    A system in which the neutral is connected to the ship hull in normal operation.

  • Electric podded propulsor

    Azymuthing electric propulsion unit with the motor located inside the underwater housing (pod) attached to the...

  • Electric propulsion systems, electric drive systems

    The concept of electric propulsion is over 100 years old with battery-powered vessels recorded in Russia and Germany...

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