Combustion thermodynamics: Theoretical (Stoichiometric) air for
combustion of fuels. Excess air, mass balance, actual combustion. Exhaust
gas analysis. A/F ratio. Energy balance for a chemical reaction, enthalpy of
formation, enthalpy and internal energy of combustion. Combustion
efficiency.
UNIT II
Gas Power Cycles: Air standard cycles; Carnot, Otto, Diesel, Dual and
Stirling cycles, P-v and T-s diagrams, description, efficiencies and mean
effective pressures. Comparison of Otto and Diesel cycles.
UNIT III
Gas turbines and Jet Propulsion: Classification of Gas Turbines, Analysis
of open cycle gas turbine cycle. Advantages and Disadvantages of closed
cycle. Methods to improve thermal efficiency. Jet propulsion and Rocket
propulsion.
UNIT IV
Vapour Power Cycles: -Carnot vapour power cycle, drawbacks as a
reference cycle. Simple Rankine cycle; description, T – s diagram, analysis
for performance. Comparison of Carnot and Rankine cycles. Effects of
pressure and temperature on Rankine cycle performance. Actual vapour
power cycles. Ideal and practical regenerative Rankine cycles, open and
closed feed water heaters. Reheat Rankine cycle.
PART – B
UNIT V
Reciprocating Compressors: - Operation of a single stage reciprocating
compressors. Work input through P – v diagram and steady state steady flow
analysis. Effect of clearance and volumetric efficiency. Adiabatic, isothermal
and mechanical efficiencies. Multi-stage compressor, Saving in work,
optimum intermediate pressure, inter-cooling, minimum work for
compression.
UNIT VI:
Refrigeration: -Vapour compression refrigeration system; description,
analysis, refrigerating effect, capacity, power required, units of refrigeration,
COP. Refrigerants and their desirable properties. Air cycle refrigeration;
reversed Carnot cycle, reversed Brayton cycle. Vapour absorption
refrigeration system. Steam jet refrigeration.
UNIT VII
Psychrometrics: - Atmospheric air and psychrometric properties; Dry bulb
temperature, wet bulb temperature, dew point temperature; partial pressures,
specific and relative humidifies and the relation between the two Enthalpy
and adiabatic saturation temperature. Construction and Use of psychrometric
chart. Analysis of various processes; heating, cooling, dehumidifying and
humidifying. Adiabatic mixing of stream of moist air. Summer and winter
air - conditioning.
UNIT VIII
I.C. Engines: Testing of two-stroke and four-stroke Sl and CI engines for
performance, related numerical problems, heat balance, Morse test.
REFERENCE
TEXT BOOKS:
1. Basic and Applied Thermodynamics by P.K.Nag, Tata McGraw Hill
Pub. Co., 2002.
2. Fundamental of Classical Thermodynamics by G.J. Van Wylen and
R.E.Sonntag, Wiley Eastern.
Reference Books
1. Thermodynamics -An Engineering Approach by Yunus, A.Cenegal
and Michael A.Boles, Tata McGraw Hill Pub. Co., 2002
2. Applied Thermodynamics by R.K.Hegde and Niranjan Murthy, SapnaBook House, 2005