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MFM supports proper maintenance on marine engines and generators by using the actual fuel burned or hours operated as the basis for performing maintenance routines. This condition-based maintenance program more accurately reflects the operating environment of the engine, but more importantly, reduces or eliminates unnecessary maintenance work.
Also, when tanks are to be inspected or maintenance must be performed within a tank, it must be not only cleaned, but made gas-free. [105] On most crude-oil tankers, a special crude oil washing (COW) system is part of the cleaning process. [105] The COW system circulates part of the cargo through the fixed tank-cleaning system to remove wax and ...
In the marine industry there is a long-standing and important tradition of "jointness" in marine forensic investigations, where all parties at interest examine the same things at the same time. However, due to the criminal character of OWS violations the jointness concept is abandoned, which leads to very poor technical investigative methods ...
The weight of fuel also presents a problem, as the pitch of the ship may cause the liquid to shift, resulting in an imbalance. In some vessels, this offset will be counteracted by storing water inside larger ballast tanks. Marine engineers are responsible for the task of balancing and tracking the fuel and ballast water of a ship.
Cross section of a vessel with a single ballast tank at the bottom. A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability for a vessel, to reduce or control buoyancy, as in a submarine, to correct trim or list, to provide a more even load distribution along the hull to reduce structural ...
Bunkering is the supplying of fuel for use by ships (such fuel is referred to as bunker), [1] including the logistics of loading and distributing the fuel among available shipboard tanks. [2] A person dealing in trade of bunker (fuel) is called a bunker trader. The term bunkering originated in the days of steamships, when coal was stored in ...
The replenishment oiler HMAS Sirius (right) providing fuel to the amphibious warfare ship USS Juneau while both are underway. A replenishment oiler or replenishment tanker is a naval auxiliary ship with fuel tanks and dry cargo holds which can supply both fuel and dry stores during underway replenishment (UNREP) at sea.
Data available until 2011 for fuel oil sales to the international marine shipping sector reports 207.5 million tonnes total fuel oil sales with HFO accounting for 177.9 million tonnes. [9] Marine vessels can use a variety of different fuels for the purpose of propulsion, which are divided into two broad categories: residual oils or distillates.