Book Details

Thermal Engineering -II

Thermal Engineering -II

Published by uLektz

Course Code:ULZ0109

Author:uLektz

University: General for All University

Regulation:2017

Categories:General Engineering

Format : ico_bookePUB3 (DRM Protected)

Type :eBook

Rs.189 Rs.28 Rs.85% off

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Description :Thermal Engineering -II of ULZ0109 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT I BASIC CONCEPTS:

1.1 Rankine cycle - schematic layout, thermodynamic analysis, concept of mean temperature of heat addition

1.2 Methods to improve cycle performance

1.3 Regeneration & reheating

1.4 Combustion: fuels and combustion, concepts of heat of reaction ,adiabatic flame temperature, stoichiometry, flue gas analysis

UNIT II BOILERS

2.1 Classification – working principles of L.P & H.P boilers with sketches

2.2 mountings and accessories – working principles, boiler horse power, equivalent evaporation, efficiency and heat balance

2.3 draught, classification – height of chimney for given draught and discharge, condition for maximum discharge, efficiency of chimney – artificial draught, induced and forced

UNIT III STEAM NOZZLES AND STEAM TURBINES

3.1 Function of a nozzle – applications - types, flow through nozzles, thermodynamic analysis – assumptions -velocity of fluid at nozzle exit-Ideal and actual expansion in a nozzle, velocity coefficient, condition for maximum discharge, critical pressure ratio

3.2 Criteria to decide nozzle shape: Super saturated flow,its effects, degree of super saturation and degree of under cooling - Wilson line.

3.3 Steam Turbines: Classification, impulse turbine: mechanical details – velocity diagram – effect of friction – power developed, axial thrust, blade or diagram efficiency – condition for maximum efficiency.

3.4 De-laval turbine - methods to reduce rotor speed-velocity compounding, pressure compounding and velocity & pressure compounding, velocity and pressure variation along the flow – combined velocity diagram for a velocity compounded impulse turbine, condition for maximum efficiency.

UNIT IV REACTION TURBINE AND STEAM CONDENSERS

4.1 Reaction Turbine: Mechanical details – principle of operation, thermodynamic analysis of a stage, degree of reaction , velocity diagram

4.2 Parson’s reaction turbine, condition for maximum efficiency, calculation of blade height

4.3 Steam Condensers: Requirements of steam condensing plant – classification of condensers

4.4 Working principle of different types , vacuum efficiency and condenser efficiency, air leakage, sources and its affects, air pump, cooling water requirement

UNIT V GAS TURBINES

5.1 Simple gas turbine plant, ideal cycle, essential components – parameters of performance – actual cycle

5.4 Regeneration, inter cooling and reheating

5.3 Closed and semi-closed cycles – merits and demerits

5.4 Types of combustion chambers

UNIT VI JET PROPULSION AND ROCKETS

6.1 Jet Propulsion : Principle Of Operation –Classification Of Jet Propulsive Engines –

6.2 Working principles with schematic diagrams and representation on t-s diagram - Thrust, thrust power and propulsion efficiency

6.3 Turbo jet engines – needs and demands met by turbo jet – schematic diagram, thermodynamic cycle, performance evaluation, thrust augmentation – methods.

6.4 Rockets : Application – working principle

6.5 Classification – propellant type – thrust, propulsive efficiency – specific impulse

6.6 Solid and liquid propellant rocket engines

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