Unit 1 Heat Transfer and Heat Exchangers

7 lecture hours

• 1.1 Concept of heat transfer 1.2 Conduction - Fourier’s law - Conduction through plain & composite wall, and cylinder (No derivation) 1.3 Convection - Newton’s law - Free and forced convection 1.4 Radiation - Concept of Incident energy - Concept of Absorptivity
• reflectivity and transmissivity - Concept of black and grey body - Concept of emissive power and emissivity 1.5 Thermal insulation/insulators - Concept
• classifications, and types 1.6 Heat exchanger - Concept
• classification, and application - LMTD (No derivation) 1.7 Simple numerical examples

Unit 2 Air Compressors

8 lecture hours

• classification, and applications. 2.2 Construction and working of Reciprocating air compressor: - Single stage - Multi-stage (without & with intercooler) 2.3 Performance of reciprocating compressor (No derivation) - Work required, and efficiency (No derivation) - Simple numerical examples 2.3 Construction and working of rotary compressors - Roots blower - Vane type - Screw type - Scroll type 2.4 Construction and working of Dynamic air compressor: - Centrifugal - Axial

Unit 3 Steam Formation and its Properties 04 9

• Program Name: Diploma Engineering Level: Diploma Branch: Mechanical Engineering Subject Code: DI04019011 Subject Name : Thermal Engineering - I 3.1 Steam Formation - Industrial Applications - Representation on PV, T-s, and h-s diagrams. 3.2 Calculation of Steam Properties - Steam table - Mollier chart 3.3 Measurement of dryness fraction - Barrel calorimeter - Separating calorimeter - Separating & Throttling calorimeter - Electrical calorimeter 3.4 Simple numerical examples

Unit 4 Steam Generators

11 lecture hours

• 4.1 Steam boilers - Concept
• definition as per Indian Boilers Regulation (IBR) - Classifications and Applications 4.2 Construction and working of steam boilers - Packaged boiler (Fire
• water and combined tube) - Waste heat recovery boiler - Fluidized bed combustion boiler 4.3 Boiler Draft 4.4 Functions and locations of boiler mountings & accessories 4.5 Boiler performance - Equivalent of evaporation - Boiler power - Boiler efficiency - Heat balance sheet 4.6 Simple numerical examples

Unit 5 Prime Movers

3 lecture hours

• 5.1 Steam Nozzle - Concept
• classification and application - Nozzle types 5.2 Steam turbine - Concept and classifications - Major components - Working of Impulse and reaction turbines - Necessity of compounding and its types

Unit 6 Steam Condensers, and Cooling Towers

• 6.1 Steam condensers 06 13 Program Name: Diploma Engineering Level: Diploma Branch: Mechanical Engineering Subject Code: DI04019011 Subject Name : Thermal Engineering - I - Concept
• Functions and classification - Construction and working of jet condensers - Construction and working of surface condensers - Effect of air leakage & Leak detection techniques 6.2 Cooling Towers - Concept
• Function and classification - Construction and working of cooling towers

Unit 7 Gas Turbines

6 lecture hours

• 7.1 Concept and classifications 7.2 Brayton cycle - P-v and T-s diagram - Actual cycle 7.3 Open and closed cycle gas turbine 7.4 Performance improvement methods - Intercooling - Reheating - Regeneration 7.5 Combustion chamber 7.6 Usages of gas turbine 7.7 Simple numerical