Thermal & Fluid Engineering

18ME0348

UNIT-I
THERMAL POWER PLANT
Layout of a Thermal Power Plant, Water cooling, Feed water treatment, Coal, handling, Coal storage, Chimney
HYDROELECTRIC POWER STATIONS
Elements of hydroelectric power station types- concept of pumped storage plants-storage requirements.

UNIT-II
BASIC CONCEPTS
Definitions of system, boundary, surrounding control volume. Types of thermodynamic systems, Properties of system, definitions for properties like pressure, volume, temperature,enthalpy, internal energy, density, with their units.State, Property, Process and Cycle, Quasi
Static Process, Thermodynamic Equilibrium.
WORK & HEAT TRANSFER
Work transfer, Types of work transfers, Point and Path Functions, Heat transfer, Comparison of Work and Heat transfers. Law of Thermodynamics: Zeroth Law of Thermodynamics, First Law of Thermodynamics and Second Law of Thermodynamics

UNIT-III
PURE SUBSTANCES
P-V, P-T, T-S diagrams of Pure Substances, Mollier Diagram, Dryness Fraction, Enthalpy and Entropy of Steam using Steam Tables with Problems. Thermodynamic Cycles: Carnot Cycle & Rankine Cycle with simple problems.

STEAM BOILER

Classifications of Boilers, Fire Tube boiler- Cochran boiler, Water Tube boiler- Babcock and Wilcox Boiler, Modern High Pressure Boilers – Lamont, Benson Boilers.
BOILER MOUNTINGS AND ACCESSORIES
Pressuregauge, water level indicator, fusible plug, blow down cock, stop valve, safety valve–feedpump, economiser, super heater and air pre-heater. Problems on Performance of Boilerand Heat balance sheet.

UNIT-IV
FLUID STATICS
Dimensions and units: physical properties of fluids – specific gravity, porosity surface tension– vapor pressure and their influence on fluid motion – atmospheric gauge and vacuum pressure– measurement of pressure – Piezometer, U-tube differential manometers.
FLUID KINEMATICS
Stream line, path line and streak lines and steam tube, classification of flows-steady & unsteady, uniform, non-uniform, laminar, turbulent, rotational and irrotational flows-equation of continuity for one dimensional flow.

UNIT–V
FLUID DYNAMICS
Surface and body forces – Euler‟s and Bernoulli‟s equations for flowing stream line,momentum equation and its application on force on pipe bend.
CONDUIT FLOW
Reynold‟s experiment – Darcy Weisbach equation – Minor losses in pipes – pipes in series and pipes in parallel – total energy line-hydraulic gradient line.
Measurement of flow: Pitot tube, Venturimeter and orificemeter, Flow nozzle.

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