Thermal Engineering – II is an advanced subject in Mechanical / Production Engineering that focuses on thermal machines, power generation, and cooling systems. It builds on Thermodynamics learned in Thermal Engineering – I and applies those principles to real industrial machines.

• Objectives of the Subject
  • Understand working principles of power-producing machines
  • Study IC engines, turbines, and refrigeration systems
  • Learn efficiency, performance parameters, and applications
  • Develop practical knowledge for industry & maintenance
• Syllabus Overview / Main Units

1. Internal Combustion (IC) Engines
   • Classification of IC engines
     (Petrol/Diesel, 2-stroke/4-stroke)
   • Working of:
     • Spark Ignition (SI) engine
     • Compression Ignition (CI) engine
   • Engine components:
     • Cylinder, piston, crankshaft, valves
   • Performance terms:
     • Indicated power (IP)
     • Brake power (BP)
     • Mechanical efficiency
   • Cooling & lubrication systems
2. Gas Turbines
   • Principle and working of gas turbine
   • Components:
     • Compressor
     • Combustion chamber
     • Turbine
   • Open-cycle and closed-cycle gas turbines
   • Applications in:
     • Aircraft engines
     • Power plants
3. Steam Turbines
   • Difference between steam engine and steam turbine
   • Types of steam turbines:
     • Impulse turbine
     • Reaction turbine
   • Working principle and construction
   • Governing of steam turbines
   • Applications in thermal power plants
4. Refrigeration
   • Concept of refrigeration
   • Units of refrigeration (TR)
   • Coefficient of Performance (COP)
   • Types of refrigeration systems:
     • Vapour compression system
     • Vapour absorption system
   • Refrigerants and their properties
5. Air Conditioning
   • Definition and purpose of air conditioning
   • Human comfort conditions
   • Types of air conditioning systems:
     • Window AC
     • Split AC
     • Central AC
   • Applications in industry and buildings