Thermal Engineering 1
MEC-211
Basic definitions and Laws of Thermodynamics Thermodynamic systems: Closed, Open and Isolated systems Microscopic and Macroscopic view, Intensive and Extensive properties Zeroth law of Thermodynamics, Phase, State, Process, Cycle, Point functions and Path functions Work and Heat, First Law of Thermodynamics, Internal energy Non flow processes, Concept of Flow work, Analysis of steady flow and unsteady flow processes and their applications Limitations of First law, Second Law of Thermodynamics Reversible and Irreversible processes, Reversed Carnot cycle, Carnot‘s Theorem Clausius inequality, Entropy, Change in Entropy during various processes.
Availability and Irreversibility: High grade and low grade energy Available and unavailable energy, Dead state Loss of available energy due to Heat transfer through a Finite temperature difference Availability, Reversible work and Irreversibility, Availability in non flow systems, Second law efficiency. Thermodynamic Property Relations: Maxwell Relations, Clapeyron Equation. Properties of a Pure Substance: Phase equilibrium of a pure substance on T-V diagram Normal boiling point of Pure substance, Saturation states, Compressed liquid P-V & P-T diagram of a pure substance, Steam and its different states Use of Steam tables and Mollier diagram, Different processes of vapour on P-V and T-S diagrams Measurement of Dryness fraction.
Vapour Power Cycles: Carnot vapour power cycles, 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 cycle Open and closed feed water heaters, Reheat Rankine cycle. Boiler: Classification of Boiler, Boiler mountings and Boiler Accessories, Once through Boiler Working and construction of Babcock and Wilcox boiler, Lancashire boiler.
Gas power cycle: Carnot cycle, Otto cycle, Diesel cycle, Dual cycle Two stroke and Four stroke Cycles, Working of S.I Engine and C.I Engine Valve timing diagram of S.I engine and C.I engine. Gas Turbines: Brayton cycle, Thermal refinements, Performance of Gas turbines Combined cycle, Principles of Jet Propulsion, Turbojet engines.