It is a core subject of Chemical Engineering and is essential for understanding basic concepts, thermodynamic properties of fluids and performance of thermal system used in industry.
1. Introduction and Basic Concepts (12 hrs)
Systems, processes and surroundings, homogenous and heterogeneous systems, closed, open and isolated, extensive, and extensive properties, state and path functions. Concept of internal energy, enthalpy, entropy, free energy and equilibrium equation of state, ideal gas law, Vander Waals equation. Amagat’s law, Dalton’s law, Henry’s law, Raoult’s law, zeroth law of thermodynamics.
2. First Law of Thermodynamics for Open and Closed Systems (12 hrs)
Statement of first law of thermodynamics, use of steam tables, calculation of internal energy, enthalpy, heat and work for ideal gas undergoing reversible, isothermal, adiabatic and polytrophic processes. Isobaric T-V, P-V and P-T diagrams
3. Second law of Thermodynamics (18 hrs)
– Statement of second law of thermodynamics: Kelvin plank statement and carnot
statement, carnot cycle and its efficiency, concept of entropy and entropy
change for closed and open system.
– Heat pump and heat engine (coefficient of performance and efficiency).
– Reversible and irreversible process. Thermodynamic temperature scale.
4. Third law of Thermodynamics, Statement only (02 hrs)
5. Application of Second law of thermodynamics (12 hrs)
Refrigeration, vapor compression and absorption refrigeration, types of compressors, reciprocating air compressors, single stage compressor, isentropic efficiency of compressor.
6. Phase Equilibrium (08 hrs)
Raoult’s law, Gibb’s phase rule, vapor liquid equilibrium, dew point and bubble point, calculations for two component systems.
Lot of stress should be given to numerical aspect to give in-depth knowledge of the subject. This will make the subject interesting and improve student’s involvement in the subject.