ME6404 Thermal Engineering Hand Written Lecture Notes - Sathishkumar Edition

[Srini]

   
Thermal Engineering Premium Lecture Notes, Prepared by Sathishkumar. Specially for Mechanical Engineering. Syllabus Covered based on Anna University B.E Mechanical Engineering.It Contains All 5 Units.


Special Thanks To:  Mr.Sathishkumar

Attachment: click here

Content:  

THERMAL ENGINEERING
UNIT-1
GAS POWER CYCLES
UNIT-2
IC ENGINE
UNIT-3
STEAM NOZZLES AND TURBINES
UNIT-4
AIR COMPRESSURE
UNIT-5
REFRIGERATION AND AIR CONDITIONING
UNIT-1
GAS POWER CYCLES
Gas power cycle
Air standard assumption
Otto cycle
Mean effect pressure
Problem
Diesel cycle
Diesel cycle process 
Types of problem
Dual cycle
Types of problem
Comparison of otto , diesel and dual combustion cycles
• Efficiency vs compression rates
• For the compression ratio and heat input
• For maximum pressure and heat supplied
Difference between otto cycle and diesel cycle
Brayton cycle
Methods of improve brayton cycle efficiency
UNIT-2
IC ENGINE
IC engine classification and their functions
Heat engine classification
External combustion engine
Internal combustion engine
Application classification of IC engine
Main component of IC engine
SI Engine
Actual valve timing diagram of 4 stoke petrol engine
Two stroke cycle petrol and diesel engine
Simple and complete carburetor
Essential parts of a complete carburetor
Economizer
Multi point injection system
Throttle body injection system
Fuel injection pump
Advantages 
Disadvantages
Magneto ignition system
Advantages of magneto ignition system
Disadvantages
Stages of combustion in SI engine and knocking
Delay period
Hame propagation period
Stages of combustion in CI engine
• Ignition delay period
• Uncontrolled combustion period
• Controlled combustion period
• After burning
Diesel knock
Lubrication system
Types of lubrication system
Petrol lubricating system
Wet lump system
Pressure lubrication system
Advantages
Dry lump lubrication system
Cooling of IC engine
Methods of cooling
1. Air cooling
2. Water cooling
Natural circulation system
Forced circulation system
Thermostat cooling
Advantages of air cooling system
Disadvantages
Performance calculation
UNIT-3
STEAM NOZZLES AND TURBINES
Flows of steam through nozzles shaper
Steam nozzles
Applications
Shapes of nozzles
Steam flows through nozzles
Velocity of steam through nozzle
Mass of steam discharged through nozzle
Effects of friction, critical pressure ratio and super saturated flows
Effects of frictional losses
Supersaturated flow
Effect of super saturated
Flows of steam through nozzles problem type
Steam turbine classification and impulse turbine
Impulse turbine
Compounding of turbine
Purpose of compounding of turbine
Different methods of compounding
Velocity compounding
Pressure compounding
Pressure velocity compounding
Advantages 
Disadvantages
Reaction turbine
Difference between impulse and reaction turbine
Velocity diagram for impulse turbine
Problems on impulse turbine
Degree of reaction
Speed regulation
Losses in steam turbine
UNIT-4
AIR COMPRESSURE
Air compressor
Application
Classification
Reciprocating air compressor
Technical terms in air compressor
Single stage reciprocating air compressor
Rotary compressor
Types of rotary air compressor
Work done derivation of single stages reciprocating compressor without clearance
Multi stage reciprocating air compressor working
Intercooling of air in a two stages reciprocating air compressor
Workdone by the stages reciprocating air compressor with intercooler
UNIT-5
REFRIGERATION AND AIR CONDITIONING
Refrigeration
Refrigeration
Some commonly refrigerants
Unit of refrigeration
Some properties of good refrigerants
Environmental and thermodynamic properties of refrigerant
Thermodynamics properties
Environmental properties
Types of vapour corporation
Cycle with dry vapour after compression 
Problem
Cycle with superheated vapour after compression
Vapour absorption refrigeration system
Ammonia water refrigeration system
Working of the system
Lithium bromide system
Advantages of vapour absorption system
Advantages
Disadvantages
Air conditioning
Air conditioning system 
Equipment commonly used in air conditioning system
Classification of air conditioning system
Summer air conditioning system
Year round air conditioning system
Factors affecting the human comfort in AC system
Humidity affect human comfort
Cooling load estimation
Problem

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