04.12.2016

Chemical water treatment

   There are a great variety of ships at sea today whose many technical specifications of engineering installations. The one thing that is common to all of them is that they all require the use of water - one way or another. It may be used for steam production or engine cooling, or simply for consumption by the officers and crew. In fact, water will be used on board in considerable quantities. Fortunately, there is always plenty of it available in the form of a sea water; they can pump it and use it straight away for washing the deck, for example. But if you try and use this water in a boiler, or for cooling your main engine, in a few days catastrophe will hit the ship - the boiler could blow up or the main engine get damaged. This is because sea water is contaminated by dissolved and dispensed solids, namely sodium chloride, calcium carbonate, magnesium carbonate and calcium sulphate. These form deposits which can cause overheating and mechanical breakdown, making it unsuitable for use in boilers and in engine cooling systems, just like it is unsuitable for drinking by human being. that is why the cleaning and treatment of water on board the vessel is so important for the ship's efficient operation - and that is where chemical treatment plays a vital role by preventing internal corrosion and scaling formation...

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10.05.2016

Powered Watertight Doors (Video)

   When joining a ship for the first time, it is very important to become familiar with its particulars, safety equipment, design features and their locations. One design feature fitted to many types of vessels is the use of powered watertight doors to protect the ship from the risk of flooding in case of the grounding, collision or structural damage. When closed, these doors become part of the ship's structure acting as a barrier for the flood water, and their strength is vital - they are built from the heavy steel requiring them to be moved by hydraulics or powered by electric motors... This training will be perfect if watched with this booklet on same topic.

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13.04.2016

Introduction to the Two-Stroke Marine Diesel Engine

   As the name of this film imples, it provides the basic introduction to the two-stroke marine diesel engines. It was prepared in co-operation of Viggo A. Kjaer, professor at The Royal Technical University of Denmark. Today, the diesel engine propells half the tonnage of all the world shipping. Given good care, the diesel engine provides a maximum of effect on a minimum of oil consumption. The engineer is here for that, at the moment he is checking the temperatures of exhaust and cooling water. His routine inspection takes him further down to the second platform with the intercoolers for charging air. Now, he reaches the bottom where his flashlight reveals the return piston cooling oil behind the sightglasses...

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12.04.2016

How To Change A Fuel Filter On A Marine Diesel Engine

   Short but useful training video film produced by BoatUS - Boat Owner Association of the United States. Mark Corke, the associate editor of the magazine, shows in detail how to change a fuel oil filter on a marine diesel engine. It will serve as a good reference for crew members dealing with the maintenance of the diesel engines, boat owners willing to improve their marine engineering skills. Just follow the steps described in the video and you will find it quite easy to perform this basic operation on any diesel engine you may find on board the boat or yacht.

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17.08.2015

MAN 175D Webinar on SCR Technology

   The first of the new MAN 175D webinar series addressing the high speed twelve-cylinder marine diesel engines. In this webinar three industry professionals will explain all advantages and potential of the new compact and modular exhaust gas SCR aftertreatment system based on the famous and patented MAN AdBlue technology. The MAN 175D engines are designed with the intention to meet the very latest regulations related to the emission, and without any compromising on performance or efficiency...

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27.07.2015

Hydraulic Tool - General Use

   The video training developed and released by MAN B&W and explaining the general use and maintenance of hydraulic tightening tools. You will get to know how to dismantle the hydraulic jack in a proper and safe manner, see the process of mounting by use of hydraulic jack, etc. This is a must have training for crew members dealing with such instruments since it will perfetly supplement any information one can find in the books - the experience shared is very useful and important.

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24.07.2015

Shell and Tube Type Heat Exchanger

   Here is a very short but still very useful training video explaining the basic principles of the shell and tube heat exchanger. In fact, it is the animation which allows to see the whole process of exchanging heat starting from the point where sea water enters the heat exchanger. It will definitely be of some interest for the students of marine engineering and any persons dealing with the day to day operation, maintenance or repair of the subject machinery piece on board ships.

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22.07.2015

Heat Exchanger Principles

   IHRDC Video Library for Production Operators. The training video explains the basic principles of heat exchanger operation... You know, when the engines are running, they can really get hot. So, in order to keep it running, we need a way to remove the heat. That is where the radiator comes in. As the engine runs, the coolant stored in the radiator, circulates through the engine, picks up heat and then returns to the radiator...

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