Articles on technical and not-technical topics.
Ship Stabilizers and stabilizing systems A ship at sea has six degrees of freedom, i.e. 1. Roll, 2. Heave, 3. Pitch, 4. Yaw, 5. Sway, 6. Surge. – Of all these motions, only rolling motion can effectively be reduced in practice by fitting bilge keels, anti-rolling tanks or stabilizers. – A stabilising system is fitted…
DetailsShip Aft End Vibration – A report writing This article is furnished as a report writing to your superindent on Aft end vibration and Suggested remedies, From Second engineer Date: -DD.MM.YY Technical Superintendent XYZ Shipping Let Germany, Sub: Aft end vibration and Suggested remedies, From Second engineer M.T. XXXXX XXX Ref: – Your…
DetailsAlkalinity Treatment For pressures below 20 bar dissolved O2 in the feed does not cause any serious problems so long as the water is kept alkaline However cold feed should be avoided as this introduces large amounts of dissolved O2 are present, for pressures greater than 18.5 bar a dearator is recommended Feed Treatment Chemicals…
DetailsReverse Osmosis Reverse osmosis is one of the most desalination processes that is used widely on most ships and also for household water production. RO plant is considered one of the most successful method of desalination as the size of the system can be reduced or increased to suit the requirement varying from a house…
Details9 LITRES FOAM FIRE EXTINGUISHERS (Chemical Foam) Foam is an effective smothering agent, used for liquid fires mainly. It acts by flowing over the liquid fuel oil surface and isolating the fire from the air, also prevents re-ignition due to the foam stability. Usually the foams are of i. Protein Based ii. Synthetic …
DetailsPlate type Heat Exchanger Plate type Heat Exchangers are made up from an assembly of identical metal plates pressed together. Such plates have with horizontal or chevron pattern corrugations. Each plate’s working space is protected by a nitrile rubber joint. The plates, which are supported beneath and hung at the top by metal rails on…
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