Basics 2 min read
Difference between 2 stroke and 4 stroke Engine
The stroke of an engine is referred to the distance covered by the piston from the top dead center to…
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Marine manufacturing technology 4 min read
Propulsion and auxiliary machinery
At the beginning of the 20th century the near-universal ship-propulsion device was the reciprocating steam engine, furnished with steam from fire-tube boilers…
Basics 3 min read
Engineering Materials – Introduction
The knowledge of engineering materials and their properties is of great importance for a design engineer. A design engineer must…
Basics 5 min read
Factors affecting material properties:
Heat treatment: Heat treatment is used to control heating and cooling of the metals to change the properties and also…
Marine manufacturing technology 7 min read
Ship motions in response to the sea
In manoeuvring, a ship experiences yaw (rotation about a vertical axis) and sway (sideways motion). More generally, motions are possible in all…
Basics 1 min read
Differences Between Centrifugal and Axial Flow Compressors
S.no Centrifugal Compressors Axial Flow Compressors 1 In centrifugal compressors air flows radially in the compressor In Axial flow compressors…
Basics 2 min read
Five Casting Design Tips Useful for a Casting Product Designer
Incorrect casting product design is one of the reasons why you end up producing faulty casting components. The communication language between casting…
Marine manufacturing technology 4 min read
Determination of propulsive power by model testing
The power required to propel a ship is proportional to its speed times the resistance to its movement. The ability…
Basics 2 min read
Failure, Composite Delamination, and Damage Assessment
In the concurrent design and analysis of parts, accompanying testing, and field usage, predictive failure assessment is critical for success. This…
Basics 2 min read
Difference between the Theoretical and Actual p-v diagram of a 4 stroke petrol Engine Actual suction
During the suction stroke the atmospheric air must be entered into the engine cylinder. Then the suction pressure must be…