16-08-2013, 04:51 PM
SYLLABUS DIPLOMA IN MECHANICAL ENGINEERING SEMESTER – IV
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BLOCK I
Unit 1: Basic Concepts and Gas Laws
Thermodynamics; Property: Intensive and Extensive; System: Open, Closed and Isolated; Energy: Internal Energy, Potential Energy, Kinetic Energy; Heat; Work; Specific Heat; Enthalpy; Boyle's Law; Charle's Law; Joule's Law; Characteristics of Gas Equation; Gas Constant; Mol; Universal Gas Constant and Molar Specific Heats.
Unit 2: Laws of Thermodynamics and Processes
Zeroth Law of Thermodynamics; First Law of Thermodynamics; Second Law of Thermodynamics; Concept of Entropy; Constant Volume; Constant Pressure; Isothermal, Adiabatic, Polytrophic Processes; Throttling and Free Expansion; Work done during these Processes; Available and Unavailable Energy Effectiveness; Irreversibility in Flow and Non-flow Process.
Unit 3: Formation of Steam and its Properties
Generation of Steam at Constant Pressure; Various Stage of Steam: Wet Steam, Dry Steam, Saturated Steam, Dryness Fraction, Super Heated Steam, Degree of Super Heat; Critical Point, Triple Point; Thermodynamic Properties of Steam: Specific Volume, Specific Enthalpy, Specific Internal Energy, Specific Entropy; Steam Property Diagram: Temperature, Entropy Diagram, Enthalpy- Entropy Diagram; Pressure: Enthalpy Diagram; Heating and Expansion of Steam during Thermodynamic Processes; Change of Internal Energy and Entropy of Steam during Processes; Simple Numerical Problems; Use of Steam Tables and Mollier Charts.
BLOCK II
Unit 4: Steam Generators
Definition of Boiler according to I.B.R; Classification of Boilers; Description and Working of Lancashire, Cochran and Babcock and Wilcox boilers; Comparison of Water Tube and Fire Tube Boilers; Brief Description and Working of Boiler; Mountings and Accessories used in Common Boilers; Special Characteristics of High Pressure Boilers; Structural Details and Working of Lamont, Benson and Schmidt Hartmann Boilers; Introduction to Indian Boiler Act.
Unit 5: Boiler Performance
Actual Evaporation; Equivalent Evaporation; Factor of Evaporation; Boiler Efficiency; Heat Losses in Boiler Plants; Boiler Power; Energy Balance Sheet of Boiler; Simple Numerical Problems.
Unit 6: Vapour Power Cycle
Rankine Cycle; Modified Rankine Cycle; Representation on P-V; T-S and H-S Charts and Efficiency; Simple Numerical Problems.
Suggested Readings:
1. Thermal Engineering, Verma & Gulecha, Khanna Publishers.
2. Thermal Engineering Vol.1, Mathur & Mehta, Tata McGraw-Hill.
3. Thermal Engineering, R.K.Purohit, Laxmi Publishing.
4. Thermal Engineering, R.S. Khurmi, Eurasia Publishing House.
5. Elements of Heat Engines, Vol.1, Patel & Karam Chandani, Khanna Publishers.