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Mechanical Engineering

Basic Thermodynamics (Web Course)

IISc Bangalore

Faculty Coordinators



Prof. K. Srinivasan


Department of Mechanical Engineering
Indian Institute of Science, Bangalore
Bangalore - 560 012
Email : mecks@mecheng.iisc.ernet.in
Telephone : (91-80-2293 2589 ) (Office)
                  (91-80-341 4850 ) (Residence)


Prof. Pradip Dutta

Department of Mechanical Engineering
Indian Institute of Science, Bangalore
Bangalore - 560 012
Email : pradip@mecheng.iisc.ernet.in
Telephone : (91-80) 293 2332 (Office)
                  (91-80) 293 2589 (Residence)


Detailed Syllabus


Module 1 : Thermodynamics Relations (Total 4 hours)
Topics to be covered
Hours
Enthalpy, entropy, internal energy, and specific heat relations; Tds equations for entropy change ; Difference in heat capacities, Ratio of specific heats, Evaluation of thermodynamic properties from an equation of state.
1
Helmoltz’s and Gibb’s functions ; Some mathematical theorems; Maxwell's relations.
1
Applications of Maxwell’s relations to ideal and real gases; Joule-Thomson effect and coefficient ; Clausius-Clapeyron equation.
1
Real gas equation of state (Van-der Walls, Verial, Peng-Robinson, Redlich Kwong, etc) ; Compressibility factor ; General compressibility charts and applications.
1

 

 

Module 2 : Property Relationships for pure substance and Mixtures (Total 5 hours)

Topics to be covered
Hours
a. Mixture of gases : Dalton's law of partial pressures and Amagot’s law of partial volumes for ideal gas mixtures ; Volumetric and gravimetric analysis ; Principle of corresponding states ; Evaluation of ideal gas mixture properties and applications to various processes.
1
Properties of real gas mixtures ; Use of compressibility charts for real gas mixtures.
1
b. Pscychrometry : Atmospheric air and Psychometric properties; Dry bulb temperature, wet bulb temperature, dew point temperature, partial pressures, specific and relative humidity and the relation between the two.
1
Enthalpy and adiabatic saturation temperature. Construction and use of psychrometric chart ; Analysis of various processes- heating, cooling, dehumidifying and humidifying.
1
Adiabatic mixing of stream ; Summer and winter air-conditioning; Cooling load calculations.
1

 

 

Module 3 : Combustion Thermodynamics (Total 7 hours)

Topics to be covered
Hours
Stoichiometric air for combustion of fuels ; Excess air ; Mass balance, A/F ratio and equivalence ratio ; Exhaust gas analysis (Orsat apparatus).
1
Composition of various solid, liquid and gaseous fuels. ; Properties of fuels.
1
Energy balance for a chemical reactions (First law analysis) ; Enthalpy and internal energy of combustion ; Enthalpy of formation and bond energy ; Sensible energy.
1
Calculation of heat release for various combustion processes; Use of enthalpy tables ; Calculation of adiabatic flame temperature.
1
Rate of chemical reactions ; Law of mass action ; Collision theory for reaction kinetics ; Arehnius factor and activation energy ; Multi-step reactions.
1
Dissociation and chemical equilibrium ; Reversible reactions ; Gibb’s and Helmotz’s free energy ; Relation between equilibrium constants and free energy.
1
Calculation of equilibrium composition of reacting mixtures ; Effect of pressure and temperature on equilibrium composition ; Combustion efficiency and emissions.
1

 

 

Module 4 : Gas Power Cycles (Total 4 hours)

Topics to be covered
Hours
Air standard cycle approximations ; Carnot, Otto, Diesel Cycles – p-v and T-s diagrams ; Numerical Problems.
1
Description-efficiency, mep, etc. ; Comparison of Otto, Diesel cycles for same compression ratio and heat input ; Dual cycles- p-v and T-s diagrams.
1
Stirling cycles, Ericsson cycle, Atkinson cycle ; Basic Gas turbine (Brayton) cycle (for open and closed systems).
1
Efficiency of gas turbine cycle ; Regenerative gas turbine cycle; Inter-cooling and reheating in gas turbine cycles ; Numerical problems.
1

 

 
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