Syllabus -FARM POWER AND ENGINE SYSTEMS AE 501- for Tribhuvan University Institute of Engineering All BE second year first part
FARM POWER AND ENGINE SYSTEMS AE 501
Lectures : 3 Year : II
Tutorial : 1 Part : I
Practical : 2
Course Objective:
After completion of this course the students will be able to understand
the concept of prime sources of farm power and fundamentals of internal
combustion engines.
1. Animate
and Inanimate Sources of Farm Power (10 hours)
1.1
Sources
of Farm Power and their Utilization
1.1.1
Human Power
1.1.2
Animal Power
1.1.3
Electrical
Power
1.1.4
Mechanical
Power
1.1.5
Solar Energy
1.1.6
Wind Energy
1.1.7
Bio-gas
1.1.8
Micro-Hydro
1.2
Availability,
Advantages and Limitations of Farm Power Sources
1.3
Account
of Farm Power Sources in Nepal
1.4
Animal
Power Harnesses
1.4.1
Measurement
of Animal Power
1.4.2
Yokes and Harnesses
for Draught Animals for
1.4.2.1 Walking Type Farm Machines and Equipment
1.4.2.2 Riding Type Farm Machines and Equipment
1.4.2.3 Transport Equipment
1.5
Mechanics
of Hitching
1.6
Design
Parameters for Animal Harnesses
2. Internal
Combustion Engines (8
hours)
2.1
Operational
Parameters of Internal Combustion Engines
2.2
Classification
of Internal Combustion Engines
2.3
Working
Cycles of Internal Combustion Engines
2.4
Two-Stroke and Four Stroke Cycle
Engines
2.5
Spark
Ignition and Compression Ignition Engines
2.6
Engine
Components and Their Construction
2.7
Firing
Order and Criteria for Selection of Firing Order
3. Performance
of Internal Combustion Engines (8
hours)
3.1
Indicated
Power, Brake Power, Mean Effective Pressure
3.2
Engine
Efficiency
3.3
Heat Balance
for Internal Combustion Engines
3.4
Power,
Torque, Speed Relationship
3.5
Specific
Fuel Consumption
4. Operating
Principle and Function of Engine Systems
4.1
Valve
Operating System
(4 hours)
4.1.1 Valve Arrangement
4.1.2 Components Involved
in Valve Operation
4.1.3 Cam Profile and
Valve Lift
4.1.4 Size of Valve Ports
and Valve Opening Area
4.1.5 Valve Timing
4.1.6 Valve Clearance
4.1.7 Valve Adjustment
and Maintenance
4.2
Intake and
Exhaust System (3 hours)
4.2.1 Air Cleaning System
and Types
4.2.2 Performance of
Different Air Cleaners
4.2.3 Components Involved
in Exhaust System
4.2.4 Maintenance of
Intake and Exhaust System
4.3
Engine Fuels
and Fuel Supply System (8 hours)
4.3.1 Properties of Fuels
used in I.C. Engines
4.3.2 Calorific and
Heating Values of Fuels
4.3.3 Octane and Cetane
Rating
4.3.4 Test of Gasoline
and Diesel Fuel
4.3.5 quations for
Hydrocarbon Fuels
4.3.6 Combustion in Spark
Ignition and Compression Ignition Engines
4.3.7 Air-Fuel Ratio and
Mixture Requirements
4.3.8 Carburetion and
Working Principle of Carburetor
4.3.9 Working Principle
and Components of Diesel Fuel Supply System
4.3.10 Working Principle
and Components of Petrol Fuel Supply System
4.4
Ignition
System (3 hours)
4.4.1 Ignition Timing
4.4.2 Pre-Ignition and
Ignition Delays
4.4.3 Detonation and
Knocking in I.C. Engines
4.4.4 Ignition Advance
and Retard
4.4.5 Ignition Trouble
Shooting and Remedies
4.5
Governor and
Governor Control (2 hours)
4.5.1
Purpose
4.5.2
Types and Working Principle
4.5.3
Stability, Hunting, Regulation and Sensitivity
4.5.4
Troubles and Remedies
4.6
Cooling
System (3 hours)
4.6.1 Purpose and Types
of Cooling System
4.6.2 Heat Balance
4.6.3 Components of Air
Cooling System
4.6.4 Components of
Pressure Water Cooling System
4.6.5 Corrosion and
Corrosion Inhibitors
4.6.6 Cooling System Tune-up
4.6.7 Antifreeze Mixture
4.7
Lubrication
System (5 hours)
4.7.1 Purpose of Engine
Lubrication
4.7.2 Lubricating Oil
Classification
4.7.3 Properties of
Lubricants
4.7.4 Additives in
Lubricating Oil and Pollution
4.7.5 Selection
Parameters of Lubricating Oil
4.7.6 Components of
Pressure Feed Lubrication System
4.7.7 Maintenance of
Lubrication System
4.8
Starting and
Electrical System (3 hours)
4.8.1
Components of Self-Starting
System
4.8.2
Storage Battery Maintenance
4.8.3
Lighting and Horn
4.8.4
Maintenance of Electrical System
4.9
Small
Engines for Farm Operations (3 hours)
4.9.1 Stationary Engines
for Farm Operations
4.9.2 Range and
Availability in the Country
4.9.3 Selection of
Engines for Farm Operations
Practical:
1. Dismantling of
an Internal Combustion Engine, Identification of Major Parts and Measurement of
Basic Dimensions
2. Study on Working Principle of Two-Stroke and Four Stroke Cycle
Spark Ignition and Compression Ignition Engines, Firing Interval, Firing Order
and Valve Timing
3. Study on Intake
and Exhaust System and Air-Cleaners
4. Study on Fuel
Supply System of Compression Ignition Engines
5. Study on Fuel
Supply System of Spark Ignition Engines
6. Study on Cooling System in Internal Combustion Engines
7. Study on Lubrication System in Internal Combustion
Engines
8. Study on
Governors and Governing System in Internal Combustion Engines
9. Study on
Electrical and Starting System
10. Oil and Fuel
Test
11. Starting of
Engine and Making Adjustments in Engine Systems
12. Study on Engine
Maintenance Schedule, Troubles and Their Remedies
References:
1. Willard W.Pulkrabek ,“Engineering Fundamentals of the
Internal Combustion Engine”, Prentice-Hall of India Pvt. Ltd., New Delhi, India.
2. Ganesan, “Internal Combustion Engines”, Tata McGraw-Hill Publishing Company Limited,
New Delhi, India.
3. M. L. Mathur and P. Sharma. Dhanpat Rai & Sons, “Internal Combustion Engines” New Delhi, India.
4. J. B. Liljedahl, P. K. Turnquist, D. W. Smith and M. Hoki “Tractors and Their Power Units”, CBS Publishers and Disbuters,
New Delhi, India.
5. T. P. Ojha and A. M. Michael. Jain Brothers, “Principles of Agricultural
Engineering, Vol I” ,New Delhi, India.
6. Ben D. Moses and Nenneth R. Frost. John Wiley & Sons “Farm Power”, New York, USA.
Evaluation
Scheme:
The questions will cover all the chapters of
the syllabus. The
evaluation for the final theory examination is indicated as follows:
|
Chapters
|
Hours
|
Marks
distribution*
|
|
1
|
10
|
12
|
|
2
|
8
|
10
|
|
3
|
8
|
10
|
|
4.1 & 4.2
|
7
|
10
|
|
4.3
|
8
|
10
|
|
4.4 & 4.6
|
6
|
9
|
|
4.5 & 4.7
|
7
|
10
|
|
4.8 & 5
|
6
|
9
|
|
Total
|
60
|
80
|
*There could
be minor variation in marks distribution
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