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Modern water tube boilers are designed by Foster Wheeler on the concept of D type boiler. Those currently in service for marine propulsion purposes are ESD I, ESD II, ESD III, ESD IV, and ESRD (reheat) type boilers. We will be covering ESD series boilers in this article. Concept of D-type boiler In the D-type…
Good day readers! Ever wondered what makes a ship unstable and why do we need concepts of stability. Well, this article is an attempt at making the idea clear. Ship stability is a field of naval architecture that deals with how a ship behaves at sea, both in still water and waves. Stability calculations include…
Introduction A rotor sails or flettner rotor is a clean cylinder with disc quit plates that is spun alongside its lengthy axis and, as air passes at proper angles throughout it, the Magnus effect reasons an aerodynamic pressure to be generated within side the route perpendicular to each the lengthy axis and the route of…
Today let us first begin with understanding what anti-fouling paints are. Anti-fouling paint is a concoction of heavy metals and biocides. It is a particular kind of coating applied as the outer layer to the hull of a ship or boat, it stops marine life adhering to and grow on ocean steel constructions such as…
Have You Ever Handled A Raft? Many of us have but what is the most important thing one has to keep in mind for an effortless passage? BALANCE? YES! This is true because if there isn’t proper weight on both the ends of a raft – its trim will lead to an accident. This is…
Life at sea is not easy. Lot of rules and precautions have to be taken for safe voyage as well as the seafarers. Lot of accidents have taken place in the past and if one ship meets with an accident, lot of lives and money is lost. Therefore, IMO (Indian Maritime Organisation) has come up…
Human Society sustains itself by transforming the nature into garbage. Mason Cooley The above quote states that humans are responsible for all the garbage on the Earth. Pollution and garbage are everywhere damaging air, land as well as water. So as to overcome pollution in sea or ocean from all types of ships, International Maritime…
Water Pollution: The Problem Problems and Solutions Every year, thousands of tons of trash, chemical waste, and other pollutants make their way into the seas and oceans worldwide. Marine Debris has been a consistent pollution problem since the dawn of industrialization that reaches the oceans from rivers and has been the most accountable part of…
Annex-III :- Prevention of Pollution by Harmful Substances carried at Sea in Packaged Form w.e.f- July, 1992 The International Convention for the Prevention Of Pollution from Ships is the main international convention covering the prevention of pollution of the marine environment by ships from operational or accidental causes. The MARPOL Convention was adopted on 2nd…
Annex I – Regulations for Prevention of Pollution by Oil w.e.f- 2 october, 1983 The term usually refers to marine oil spills, where oil is released into the coastal waters, but spills mainly occur on land. Pollution at sea shore caused by oil spills may be due to releases of crude oil from tankers, drilling rigs and wells, spills of refined petroleum products…
