Fuel Supply & Lubrication System | System of IC Engine | IBPS AFO PrePG JRF ICAR & BSc Agriculture
Topics covered under this lecture are mentioned below:
DIFFERENT SYSTEMS OF IC ENGINE
FUEL SUPPLY SYSTEM
FUEL
Calorific value of fuel
Light Diesel Oil (L.D.O)
High speed diesel oil (HSD)
FUEL SUPPLY SYSTEM IN SPARK IGNITION ENGINE (PETROL ENGINE)
Carburetor
carburetion
Functions of carburetor
FUEL SUPPLY SYSTEM IN COMPRESSION IGNITION ENGINE (DIESEL ENGINE)
Parts of Fuel Supply System
Fuel tank
Fuel lift pump or fuel feed pump
Fuel filter
Fuel injection pump
High pressure pipe
Over flow valve
Fuel injector
LUBRICATION SYSTEM
Purpose of lubrication
Reducing frictional effect
Cooling effect
Sealing effect
Cleaning effect
Types of Lubricants
Petroleum lubricants
Engine lubrication system
The parts which require lubrication are
Types of lubricating systems
Splash system
Forced feed system
pressure lubrication system
Study of Engine Part 3
TWO STROKE CYCLE ENGINE (PETROL ENGINE)
Upward stroke of the piston (Suction + Compression)
Downward stroke (Power + Exhaust)
CLASSIFICATION OF HEAT ENGINES Based on Number of Cylinders
Single cylinder engine
Multi cylinder engine
firing order
CLASSIFICATION OF HEAT ENGINES Based on Cooling system used
Air cooled engine
Water cooled engine
COMPARISON BETWEEN TWO STROKE AND FOUR STROKE ENGINES
WORKING PRINCIPLE OF DIESEL ENGINE
Special features of diesel engine
COMPARISON OF DIESEL ENGINE WITH PETROL ENGINE
TERMINOLOGY CONNECTED WITH ENGINE POWER
Bore
stroke
Stroke-bore ratio
Piston displacement
swept volume
Top dead centre
TDC
BDC
Bottom dead centre
Scavenging
Compression ratio
clearance volume
Power
horse power hp
Indicated horse power (IHP)
cross sectional area of piston
Indicated power (IP)
Brake horse power (BHP)
Brake power (BP)
Mechanical efficiency (ηmech)
Belt horse power
Power take-off horse power (PTO HP)
PTO
Drawbar horse power (DBHP)
Frictional horse power (FHP)
Torque
what is Torque
numerical on engine
numerical on IC engine
Study of Engine Part 2
CONSTRUCTION OF AN IC ENGINE
CLASSIFICATION OF HEAT ENGINES Based on ignition of fuel
Spark ignition engine (Carburetor type engines)
Compression ignition engine (Injector type engines)
Spark & Compression ignition engine
constant volume combustion (C.V.C.)
constant pressure combustion (CP.C.)
CLASSIFICATION OF HEAT ENGINES Based on Working Cycle
Four stroke cycle engine
Two stroke cycle engine
WORKING PRINCIPLE OF I.C. ENGINE(FOUR/TWO STROKE CYCLE ENGINE)
FOUR STROKE CYCLE ENGINE (DIESEL/PETROL ENGINE)
Suction stroke
Compression stroke
Power stroke
Exhaust stroke
Study of Engine
Heat Engine
CLASSIFICATION OF HEAT ENGINES Based on combustion of fuel
External combustion engine (EC Engine)
Internal combustion engine (IC Engine)
boiler
cylinder
steam engine
thermal efficiency of external combustion
constant volume combustion (C.V.C.)
spark plug
injector
petrol engine
diesel engine
gas engine
constant pressure combustion (C.P.C.)
CLASSIFICATION OF HEAT ENGINES Based on fuel used
ENGINE COMPONENTS
combustion chamber
Cylinder block
Cylinder head
water jackets
water cooling jackets
Cylinder liner or sleeve
Piston
connecting rod
piston pin
crankshaft
Head (Crown) of piston
Skirt
Piston ring
Compression ring
Oil ring
functions of the piston ring
Compression ring
Oil ring
wrist pin
small end
big end
Connecting rod
converts the reciprocating motion of the piston into rotary motion
main shaft of an engine
Crankshaft
counter weights
main journal
rod/crank journal
Flywheel
Crankcase
Camshaft
camshaft is exactly half the speed of the crankshaft
Camshaft operates the ignition timing mechanism, lubricating oil pump and fuel pump.
Timing gear
Camshaft gear is bigger in size than that of the crankshaft gear
half time gear
Inlet manifold
Exhaust manifold
The different parts of piston and engine parts along with their position in the engine
Different parts of the engine
Farm Power
SOURCES OF FARM POWER
HUMAN POWER
Animal power
Mechanical power (Tractors + Power tillers + Oil engines)
Electrical power
Renewable energy (Biogas + Solar energy + Wind energy)
Spark ignition engines (Petrol or Kerosene engine)
Compression ignition engines (Diesel engines)
thermal efficiency
Two stroke engine
Four stroke Engine
Different types of tractors
electrical motors
Chaff cutter
inexhaustible
Different applications of solar energy
Solar Panel
Wind Mill
Bio Gas
Usage of renewable energy sources
MERITS AND DEMERITS OF HUMAN POWER
MERITS AND DEMERITS OF ANIMAL POWER
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