Rocks & mirror

    WÄRTSILÄ Encyclopedia

    of Marine and Energy Technology

     

    What's a sacrificial anode, sagging sampson-post or scum valve?

    Featured terms

    Shaft earthing device
    Shaft earthing device
    A turning propeller is electrically insulated from the hull by the lubricating oil film in the bearings. Electrical potential is generated between the shaft and the hull.
    Combined diesel-electric and gas turbine (CODAG) propulsion
    Combined diesel-electric and gas turbine (CODAG) propulsion
    A hybrid machinery system with a gas turbine and diesel engines driving generators to create electric power for both propulsion and the hotel side.
    Preoutfitting
    Preoutfitting
    The installation of both outfit and machinery items in large structural assembly units prior to these units being erected in the ship.
    © 2026 Wärtsilä