Wind Tunnel Techniques 1 min read
Wind Tunnel Fundamentals
A wind tunnel is a tool used in aerodynamic research to study the effects of air moving past solid objects. A wind tunnel consists…
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Marine Control Engineering and Automation 2 min read
Ship Automation & Control System
On a ship there are many parameters that needs to be controlled or monitored including: temperatures, pressure, level, viscosity, flow…
Advanced 2 min read
Reduction of Scavenge Pressure after Turbocharger Overhaul
The reduction in the turbocharger performance and hence reduced engine output after turbocharger overhaul is a clear evidence of improper…
Advanced 3 min read
Fatigue Failure on Ships
Fatigue is the failure of a component under fluctuating stress, and as such all components which are exposed to alternating stress…
Advanced 2 min read
Marine Engineering Study Materials
Causes of Exhaust Valve Failures Exhaust valve is prone to § Vanadium induced metal loss at the base of the valve…
Advanced 2 min read
Fuel Injector Needle Valve Seizure
When the fuel injector needle valve seizes, this can be when the needle is 1. Shut – causing nil or a…
Advanced 2 min read
Fuel Oil Sampling During Bunkering
On-board testing of the fuel could be carried out during the bunker operation by one of the engineering staff not required…
Advanced 4 min read
Checking Fuel Pump Timing and Quantity on Ships
Checking Fuel Pump Timing The primary method of checking fuel pump timing would be using the manufacturer’s instructions of setting the…
Advanced 3 min read
Crankcase Oil for Trunk Piston Engine
Properties required of a crankcase oil which is to be used for a trunk piston main engine are the following: Detergency…
Advanced 3 min read
Reduction Gearbox on Medium Speed Engines on Ships
The sketch below shows a simple, single reduction gearbox suitable for speed reductions from 750 to 150 rev/min reduction (i.e. 5:1…