BASIC MECHANICAL ENGINEERING - I.C. ENGINES

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BASIC MECHANICAL ENGINEERING - ENGINE ANIMATION

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MODULE – II INTERNAL COMBUSTION ENGINES by MANOJ KUMAR B Asst. Professor - SCMS School of Engineering & Technology Cochin , Kerala State Visit : http://mgbmemkb.blogspot.in/ :

MODULE – II INTERNAL COMBUSTION ENGINES by MANOJ KUMAR B Asst. Professor - SCMS School of Engineering & Technology Cochin , Kerala State Visit : http://mgbmemkb.blogspot.in/

Engines :

Engines

Advantages of internal combustion engine over the external combustion engine are given below::

Advantages of internal combustion engine over the external combustion engine are given below: internal combustion engine external combustion engine compact and lighter bulky and heavy quite safe to use not very safe to use due to the presence of highly pressurized steam in the boiler. engine can be started immediately takes a long time to start higher efficiency Less efficiency , efficiency of steam engine is only about 20% Can be used for mobile power plants Can not be used for mobile power plants

ENGINE COMPONENTS CYLINDER:

ENGINE COMPONENTS CYLINDER

CYLINDER HEAD :

CYLINDER HEAD

PISTON:

PISTON

INLET AND EXHAUST VALVES :

INLET AND EXHAUST VALVES

INLET MANIFOLD:

INLET MANIFOLD

EXHAUST MANIFOLD :

EXHAUST MANIFOLD

CONNECTING ROD :

CONNECTING ROD

CRANK SHAFT :

CRANK SHAFT

FLYWHEEL :

FLYWHEEL

ENGINE NOMENCLATURE - BORE :

ENGINE NOMENCLATURE - BORE

TDC – BDC - STROKE:

TDC – BDC - STROKE

SWEPT VOLUME & CLEARANCE VOLUME:

SWEPT VOLUME & CLEARANCE VOLUME COMPRESSION RATIO = (Swept Volume + Clearance Volume) Clearance Volume

DIESEL CYCLE:

DIESEL CYCLE

FOUR STROKE DIESEL ENGINES :

FOUR STROKE DIESEL ENGINES

FOUR STROKE DIESEL ENGINES :

FOUR STROKE DIESEL ENGINES

WORKING OF 4 STROKE DIESEL ENGINE Courtesy : www.explainthatstuff.com :

WORKING OF 4 STROKE DIESEL ENGINE Courtesy : www.explainthatstuff.com

OTTO CYCLE:

OTTO CYCLE

FOUR STROKE PETROL ENGINE :

FOUR STROKE PETROL ENGINE

FOUR STROKE PETROL ENGINE :

FOUR STROKE PETROL ENGINE

Working of 4 Stroke Petrol Engines Courtesy : www.howstuffworks.com:

Working of 4 Stroke Petrol Engines Courtesy : www.howstuffworks.com

Two stroke petrol engines :

Two stroke petrol engines

Two stroke petrol engine :

Two stroke petrol engine

Working of two stroke Petrol engine :

Working of two stroke Petrol engine

Working of two stroke Petrol engine :

Working of two stroke Petrol engine

Working of two stroke Diesel engine :

Working of two stroke Diesel engine

Working of two stroke Diesel engine :

Working of two stroke Diesel engine

Two Stroke Engine Animation Courtesy : www.howstuffworks.com:

30 Two Stroke Engine Animation Courtesy : www.howstuffworks.com

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