Category Archives: Marine Technology

Picture Credit: reliableplant What is Maintenance? The technical meaning of “maintenance” involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery and supporting utilities in industrial and residential installations. Objectives of Maintenance Minimize loss of productive time Minimize … Continue reading →

Author: Md Taifur Rahman Dangers of entering an enclosed space: 1. Toxic atmosphere A toxic atmosphere may cause various acute effects including impairment of judgment, unconsciousness and death. 2. Oxygen deficiency      Can be lacking for: Displace of air by another gas … Continue reading →

Author: Md Taifur Rahman Preparation: Tool box meeting carried out. Carry out proper risk assessment and work permit taken Enclosed space entry permit to be taken and enclosed space entry procedure to be followed Inform bridge and put warning notice … Continue reading →

Author: Usman Karneh The function of an electrical system is to safely convey the power from the point of generation (source) to where it is required the various loads or equipment connected to it. The electrical source, like the load … Continue reading →

  http://marinestudy.net/ship-rudder-2/ship-rudder/ Ship Rudder from Mohammud Hanif Dewan MIMarEST, MRINA

Once a vessel has grounded there are a number of considerations that need to be addressed: Has the hull of the vessel been broached during grounding. Sounding all the various tanks that are situated behind the outer hull can check … Continue reading →

In order to monitor the engine performance, we would need to measure the power output and fuel consumption of the engine. This will allow the performance of the engine to be measured against previous and even test bed readings. The … Continue reading →

One unit may need to be disabled when any of these conditions exist: Damage to a main component of the combustion chamber Damage to a crosshead or bottom end bearing on that cylinder

Ship Motion and Stresses from Mohammud Hanif Dewan MIMarEST, MRINA

By Mohammed Ismail

Image Credit: Wärtsilä The efficiency of the ship’s propeller is an important part of a ship’s overall propulsion efficiency. The Wärtsilä EnergoProFin has become a popular retrofit solution to improve the propulsion efficiency and hence improve the fuel efficiency of … Continue reading →

Ignition quality parameters: Energy Viscosity Maximum firing pressure. 4. Injection delay 5. Ignition delay . 1. Energy comparison • The injection pump is a volumetric pump • The higher the density the more energy it contains per volume unit • The … Continue reading →

By Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

Properties of Lubricats and Lubrication from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

MATERIAL USED IN SHIP BUILDING  

Ship Form Coefficients from Mohammud Hanif Dewan, IEng, IMarEng, MIMarEST, MRINA

Marine Refrigeration and Air Conditioning from Mohammud Hanif Dewan

BOILER SURVEY Introduction   Boilers are inspected to maintain the regulatory requirement. Regular internal and external examination during such survey constitutes the preventive maintenance schedule the boiler goes through to have a safe working condition.

                                         Drydocking is one of the most important activities that a vessel may come across. Hence a good planning and co-ordination … Continue reading →

Bunkering Procedure The actual Bunkering operation is carried out with bunker checklists. In this article, emphasis is made on the checklists, safety precautions, SOPEP locker & SOPEP equipments, temperature & density correction to calculate the quantity of oil bunkered. Formula … Continue reading →

 Surah Alaq: Meaning in English: Recite with the name of your Lord Who created, He made man from the clot of blood, Recite, for your Lord is the Most Generous, Who taught writing by the pen. Taught man what not. … Continue reading →