UNIT 1:
Fuels – types and properties
Higher and Lower heating values, their determination.
Stoichiometric air requirement – Excess air
Gravimetric analysis and Volumetric analysis of products of combustion and their conversions
Octane Number Requirement (ONR)
Diesel fuels- Cetane rating.
Octane Number Requirement (ONR)
UNIT 2:
Classification- Engine components
Four stroke cycle- Principle-Valve timing diagram-P-V diagram
Two stroke cycle- Principle- Valve timing diagram- P-V diagram
Spark ignition engine- Working principle
Spark ignition engine - Thermal efficiency
Compression ignition engine
CI Engines - Working principle and Thermal efficiency
Gas engine –Working principle- Turbo charging.
UNIT 3:
Comparison between CI and SI engines
Carburetion-Fuel injection
Engine friction and Lubrication-
Scavenging in Two Stroke engines
Super changing of SI engines
Super changing of SI engines
Scavenging in Two Stroke engines
UNIT 4:
SFC, Engine efficiencies- Variables affecting performance characteristics
Indicated power, Brake power
Air compressors- Reciprocating, Rotary and Centrifugal types
Dynamometer types- Performance parameters
Engine Testing and performance
Working principles of Stirling engines, Wankel rotary combustion engine,
UNIT 5:
Working principle of fire tube and water tube boilers
vertical and horizontal boilers - Principles, construction and operation
Cochran, Lancashire, Cornish, Scotch Boilers
Velox, Locomotive, Babcock and Wilcox boilers –Principles
Boiler mountings and accessories
Pressure regulators – Blow off fittings
Boiler performance- Boiler operation, inspection
