Today, ships transport almost 80% of the world’s goods and in terms of moving huge amounts of freight, maritime shipping is the most environmentally friendly mode of transportation.When ships use hydrocarbon fuels to generate power, they produce air pollution that lowers the quality of the atmosphere, damages health and also exacerbates climate change.Commercial ships generate…
On one of my previous posts, we have talked about CO2 fire fighting system which is present on all vessel types. As per rules and regulations, machinery spaces containing internal combustion machinery shall be provided with one of the fixed fire-extinguishing, but machinery spaces of above 500 m3 in volume shall, in addition to the…
A system of Impressed Current Cathodic Protection (ICCP) is installed on each vessel and this is a method of corrosion protection which automatically controls the electrochemical corrosion of the ship’s hull below the waterline. This includes the external hull surface and the internal surfaces of tanks containing seawater, e.g. ballast tanks. What is Cathodic Protection?…
The goal of decreasing the combustion process to zero is accomplished via cooling as well as minimizing the material transformation and activation energy required for combustion. In other words, the objective of fire-extinguishing agents is to reduce the rate of combustion to zero. In order to extinguish a fire, one of the fire triangle element…
All along the ship’s length, the ballast system utilizes water tanks positioned in the double bottom, along the sidewalls, and beneath the ship’s main deck.In order to keep the ship’s draught and trim proper, to provide maximum stability, and to keep the ship’s stress and bending moments within acceptable limits, water is added to or…
Every ship has a provision cooling plant, which can range from a refrigeration-cooling combination to 3 to 4 cold storage rooms depending on the ship size and type. Cold storage rooms on passenger ships can include up to 30 – 50 rooms, including dedicated storage rooms for wine, flowers, cigars, and so on.The purpose of…
This post is going to be short and concise as the sea water system is quite simple and easy to operate. Sea water is used onboard vessel mainly for cooling purpose, but also for fresh water production and adjusting vessel trim and its stability. The sea water intake is possible through a crossover main pipe…
Effective air-conditioning and ventilation systems on ships ensure passenger comfort and crew well-being. They must control temperature and humidity while preventing moisture accumulation to avoid health risks. The systems utilize air handling units (AHUs), refrigerants, and heat exchangers, requiring regular maintenance to operate efficiently and safely.
Steering gear is the machinery used onboard to control the movement of the ship from port side (left side) to the starboard (right side) while the vessel is moving. The steering gear doesn’t produce any effect while the vessel is stationary. The steering gear provides a movement of the rudder in response to a signal…
Quick Closing Valves are, actually, shut off valves that are designed to isolate oil tanks in the event of a fire and also to prevent fuelling of a fire in case of a piping system and its components failure. These valves are designed to be remotely operated from a designated place onboard vessel (Fire Control…