FACULTY OF ENGINEERING PRACTISE AND SCIENCES
NHU (Nazeer Hussain University)
ME-402 I.C Engine (3+1 CH), Spring-2023
Instructor: Engr. BILAL AHMED SIDDIQUI Office Hours: 09:00am –05:00pm
bilal.siddiqui@nhu.edu.pk (Monday-Friday)
Prerequisites: Thermodynamics
Course Objective:
To enable the students to understand the working principles of various types of internal combustion engines, their
components, performance and their applications. To gain the knowledge of I.C Engine emissions environment and
understand the use of alternative fuels.
Course Contents:
1. Introduction to IC Engine
2. Working principles of SI & CI Engines.
3. SI & CI engines systems.
4. Fuel and combustion.
5. Gas exchange processes and mixture preparation.
6. Combustion in SI and CI engines.
7. Exhaust Flow.
8. Pollution control.
9. Heat Transfer in Engines.
10. Friction and Lubrication of engine.
Learning Outcomes:
Mapping of CLOs and PLOs
Sr. No Blooms Taxonomy
Course Learning Outcomes PLOs
Explain the basic knowledge, construction and PLO_1
CLO_1 C2 (Understanding)
working of various types of IC engines and its (Engineering
components Knowledge)
Solve numerical problems related to the design
CLO_2
and operation of IC engines. PLO_3 (Design) C3 (Applying)
Analyze the design and operation of various IC
Engine systems including preparation of air/fuel
mixture, combustion control and emission PLO_7
CLO_3 reduction as well as the effect of engine (Environment and C4 (Analyzing)
operating parameters (air/fuel ratio, ignition Sustainability)
timing, properties etc.) fuel on engine
performance and emissions.
FACULTY OF ENGINEERING PRACTISE AND SCIENCES
CLO Assessment Mechanism
Assessment tools CLO_1 CLO_2 CLO_3
Assignments 10% [5 Marks] 10% [2.5 Marks] 16.66% [2.5 Marks]
Quiz 10% [5 Marks] 10% [2.5 Marks] 16.66% [2.5 Marks]
Complex Engineering
Problems
Midterm Exam 40% [20 Marks] 40% [10 Marks] ----
Final Exam 40% [20 Marks] 40% [10 Marks] 66.66% [10 Marks]
Overall Grading Policy
Assessment Items Percentage
Class Performance (Quizzes, Assignments, CEP) 20%
Midterm Exam 30%
Final Exam 50%
Recommended Text Book:
W. W. Pulkrabek, Engineering Fundamentals of IC engine, Pearson Education Inc, USA
J. B. Heywood, Internal Combustion Engine Fundamentals, Heywood McGraw-Hill
Reference Material:
R. V. Schäfer, F. Schäfer, Internal Combustion Engine Handbook - Basics, Components, Systems, and
Perspectives, Fred SAE International.
Course Outline
Course Outline:
1 History of I.C engine development, Engine classifications
Week 1 2 Engine components and terminologies
3 Working principle of Turbo-charged & its performance characteristics.
4 Working principle of Supercharged engine & its performance characteristics.
Week 2 5 Basic engine cycle and operation, Two and four stroke engines.
6 Engine operating characteristics compression ratio, sfc, A/F, F/A, etc.)
7 Engine parameters (efficiency, MEP, Power, torque, etc).
Week 3 8 Carburetors.
9 Fuel injectors.
10 Ignition system.
Week 4 11 Electronic control unit, Engine management system.
12 Otto, Diesel and Dual cycle and their comparison.
13 Hydrocarbon fuels and their properties.
Week 5 14 Thermochemistry and Chemical equilibrium.
15 Self-ignition and engine knock, Ignition delay.
FACULTY OF ENGINEERING PRACTISE AND SCIENCES
16 Octane and Cetane Numbers.
Week 6 17 Gas exchange processes and mixture preparation.
18 Intake Manifold, Volumetric efficiency.
19 Intake valves.
Week 7 20 Variable valve Control.
21 Fuel injection.
22 EFI systems (PFI, MPFI, GDI and Common- rail).
Week 8 23 Super-charging
24 Turbo-charging
Week 9 MID TERM EXAMINATION
25 Turbulence, Swirl, Squish and Tumble.
Week 10 26 Combustion in SI and CI engines: Ignition and flame development.
27 Spark timing and Maximum brake torque spark timing.
28 Diesel Fuel injection and mixture preparation.
Week 11 29 Phases of combustion and ignition delay.
30 Injection timing, injection pressure.
31 Common rail fuel injection.
Week 12 32 Exhaust Flow.
33 Turbocharging.
34 Exhaust manifold.
Week 13 35 Exhaust gas recirculation.
36 Pollution control.
37 Engine emissions.
Week 14 38 Pollutant formation.
39 After treatment.
40 Catalytic converters.
Week 15 41 Soot traps.
42 Heat Transfer in Engines.
43 Engine cooling system.
Week 16 44 Friction and Lubrication of engine.
45 Lubrication systems.
46 Revision
Week 17 47 Revision
48 Revision
Week 18 FINAL TERM EXAMINATION
Course Instructor Chairman (Department of Mechanical
Engineering)
