Question
Download Solution PDFSupercharging in marine engines is used for which of the following purposes?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Supercharging in marine engines:
- Supercharging is a process, where a great mass of air is admitted into the cylinder, for combustion and consequently a greater amount of fuel is burnt efficiently.
- The power output of the engine is increased with higher thermal efficiency without increasing the size of the engine.
- The supercharger is driven through gears directly from the engine crankshaft.
- Supercharging system is commonly used in two-stroke and four-stroke marine engines, where higher compressed air is needed.
Superchargers:
- A supercharger is a device that increases the pressure of the air-fuel mixture from the carburetor before it enters the engine.
- It is connected between the carburetor and the cylinder in the way of the intake manifold.
- It is usually driven by the engine through suitable gears and shafts.
- There are three general types of superchargers:
- Centrifugal type
- Vane type
- Roots air-blower type
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