IC4101 Combustion in Engines Syllabus:

IC4101 Combustion in Engines Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES

1. To make familiar with the design and operating characteristics of engines
2. To understand the basic principles of combustion
3. To gain knowledge in the principles of SI engine combustion
4. To understand the concepts of CI engine system
5. To understand the basic concepts of gas turbine combustion and the latest
technological advances in low temperature combustion

UNIT I ENGINE BASICS

Principles of Engine operation – Torque and Power Characteristics – Intake and Exhaust Flows – Fuel Characteristics – ISO standards (Qualitative treatment only) Balancing, valve trains

UNIT II COMBUSTION PRINCIPLES

Combustion – Combustion equations, chemical equilibrium and Dissociation -Theories of Combustion – Flammability Limits – Reaction rates – Laminar and Turbulent Flame Propagation in Engines, Flame structure and speed – Chemical kinetics.

UNIT III COMBUSTION IN S.I. ENGINES

Stages of combustion, Cylinder pressure measurement and heat release analysis normal and abnormal combustion, knocking, Variables affecting Knock, Features and design consideration of combustion chambers, Types of combustion chambers., Cyclic variations, Lean burn combustion, Stratified charge combustion systems. Heat release
correlations.

UNIT IV COMBUSTION IN C.I. ENGINES

Stages of combustion, and spray formation and characterization, air motion, swirl measurement, knock and engine variables, Features and design considerations of combustion chambers, delay period correlations, heat release correlations, Influence of the injection system on combustion, Direct and indirect injection systems.

UNIT V COMBUSTION IN GAS TURBINES & LOW TEMPERATURE COMBUSTION CONCEPTS IN I.C. ENGINE

Requirements – Combustion process – combustion chamber configurations – Flame stabilization – Design consideration of combustor – Factors affecting combustor performance – Emission and its control, Afterburners. Homogeneous charge compression ignition (HCCI) engine – Premixed charge compression ignition (PCCI) engine, Gasoline Direct Injection Compression Ignition (GDCI) engine, Reactivity controlled compression ignition (RCCI) engine – An introduction.

COURSE OUTCOMES

1. Given an engine design specification, predict performance and fuel economy trends
2. Apply basic concepts in the design of combustion systems
3. Able to design SI engine system
4. Develop an understanding of real world diesel engine design issues
5. Develop an ability to optimize future engine design for better fuel economy, performance, and emissions

REFERENCES

1. Ganesan, V, Internal Combustion Engines, Tata McGraw Hill Book Co., 2003.
2. John B. Heywood, Internal Combustion Engine Fundamentals, McGraw Hill Book, 1998.
3. Pundir B P, I.C. Engines Combustion and Emission, 2010, Narosa Publishing House.
4. Rajput R.K. Internal Combustion Engines, Laxmi Publications (P) Ltd, 2006.
5. Cohen, H, Rogers, G, E.C, and Saravanamuttoo, H.I.H., Gas Turbine Theory, Longman Group Ltd., 1980.