JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

.Introduction – Historical Review – Engine Types – Design and operating Parameters. Cycle Analysis: Thermo-chemistry of Fuel – Air mixtures, properties – Ideal Models of Engine cycles – Real Engine cycles - differences and Factors responsible for – Computer Modeling.

UNIT - II

Gas Exchange Processes: Volumetric Efficiency – Flow through ports – Supercharging and Turbo charging. Charge Motion: Mean velocity and Turbulent characteristics – Swirl, Squish – Pre-chamber Engine flows.

UNIT - III

Engine Combustion in S.I Engines: Combustion and Speed – Cyclic Variations – Ignition – Abnormal combustion Fuel factors, MPFI, SI engine testing. Combustion in CI engines: Essential Features – Types off Cycle. Pr. Data – Fuel Spray Behavior – Ignition Delay – Mixing Formation and control, Common rail fuel injection system.

UNIT - IV

Pollutant Formation and Control: Nature and extent of problems – Nitrogen Oxides, Carbon monoxide, unburnt Hydrocarbon and particulate – Emissions – Measurement – Exhaust Gas Treatment, Catalytic converter, SCR, Particulate Traps, Lean, NOx, Catalysts.

UNIT - V

Engine Heat Transfer: Importance of heat transfer, heat transfer and engine energy balance, Convective heat transfer, radiation heat transfer, Engine operating characteristics. Fuel supply systems for S.I. and C.I engines to use gaseous fuels like LPG, CNG and Hydrogen. Modern Trends in IC Engines: Lean Burning and Adiabatic concepts, Rotary Engines, Modification in I.C engines to suit Bio – fuels, HCCI and GDI concepts.

REFERENCES:

• 1. I.C. Engines / V. Ganesan/TMH
• 2. I.C. Engines/G. K. Pathak & DK Chevan/ Standard Publications
• 3. I.C. Engines Fundamentals/Heywood/TMH
• 4. Dual-Fuel Diesel Engines – Ghazi A. Karim – CRC Press
• 5. I.C. Engines /RK Rajput/Laxmi Publications
• 6. Internal Combustion Engines – S.S. Thipse - Jaico
• 7. Computer Simulation of C.I. Engine Process/ V. Ganesan/University Press nd
• 8. Fundamentals of IC Engines/HN Gupta/PHI/2 edition
• 9. I.C. Engines/Fergnson/Wiley
• 10. The I.C. Engine in theory and Practice Vol.I / Teylor / IT Prof. And Vol. II
• 11. Computer Simulation of Spark-Ignition Engine Processes – V. Ganesan – Universities Press M. Tech – I Year – II Sem. (Thermal Engineering)