TE4202 Fuels, Combustion And Emission Control Syllabus:

TE4202 Fuels, Combustion And Emission Control Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES

• To understand the types of fuels.
• To compare the fuels in specific point •
• To understand the principles of combustion and combustion equipment’s.
• To understand the thermodynamic process behind the combustion.
• To Identify the level of emission standards

UNIT I SOLID FUELS

Solid Fuel Types – Coal Family – Properties – Calorific Value – ROM, DMMF, DAF and Bone Dry Basis – Ranking – Bulk & Apparent Density – Storage – Washability – Coking & Caking Coals – Renewable Solid Fuels – Biomass – Wood Waste – Agro Fuels – Manufactured Solid Fuels.

UNIT II LIQUID AND GASEOUS FUELS

Liquid Fuel Types – Sources – Petroleum Fractions – Classification – Refining – Properties of Liquid Fuels – Calorific Value, Specific Gravity, Flash & Fire Point, Octane Number, Cetane Number etc., – Alcohols – Tar Sand Oil – Liquefaction of Solid Fuels.

Gaseous Fuel Classification – Composition & Properties – Estimation of Calorific Value – Gas Calorimeter. Rich & Lean Gas – Wobbe Index – Natural Gas – Dry & Wet Natural Gas – Stripped NG – Foul & Sweet NG – LPG – LNG – CNG – Methane – Producer Gas – Gasifiers – Water Gas – Town Gas – Coal Gasification – Gasification Efficiency – Non – Thermal Route – Biogas – Digesters – Reactions – Viability – Economics.

UNIT III COMBUSTION: STOICHIOMETRY & KINETICS

Stoichiometry – Mass Basis & Volume Basis – Excess Air Calculation – Fuel & Flue Gas Compositions – Calculations – Rapid Methods – Combustion Processes – Stationary Flame – Surface or Flameless Combustion – Submerged Combustion – Pulsating & Slow Combustion Explosive Combustion. Mechanism of Combustion – Ignition & Ignition Energy – Spontaneous Combustion – Flame Propagation – Solid, Liquid & Gaseous Fuels Combustion – Flame Temperature – Theoretical, Adiabatic & Actual – Ignition Limits – Limits of Inflammability. Thermo Chemistry – Equilibrium combustion products. Low temperature combustion products – High temperature combustion products.

UNIT IV COMBUSTION EQUIPMENTS

Coal Burning Equipments – Types – Pulverized Coal Firing – Fluidized Bed Firing – Fixed Bed & Recycled Bed – Cyclone Firing – Spreader Stokers – Vibrating Grate Stokers – Sprinkler Stokers, Traveling Grate Stokers. Oil Burners – Vaporizing Burners, Atomizing Burners – Design of Burners. Gas Burners – Atmospheric Gas Burners – Air Aspiration Gas Burners – Burners Classification according to Flame Structures – Factors Affecting Burners & Combustion.

UNIT V EMISSION CONTROL METHODS

Emissions – Emission index – Corrected concentrations – Control of emissions for premixed and non-prefixed combustion. Flue gas Desulphurization, Coal Beneficiation, Coal Blending, Efficiency Improvement Methods (CO2 reduction)– Super critical boilers, Integrated Gasification Combined Cycle Power Plant, Carbon Capture & Storage (CCS)

TOTAL: 45 PERIODS

OUTCOMES

On successful Completion of this course the student will be
1. Identify to enable the fuels used for different purposes.
2. Examine the fuels at different conditions.
3. Summarize the fuels and its combustion levels.
4. Select the correct Equipments on combustion techniques.
5. Illustrate the emission control at a standard rate.

REFERENCES

1. B.I. Bhatt and S.M. Vora, Stoichiometry, 2nd Edition, Tata Mcgraw Hill, 2010.
2. Blokh A.G., Heat Transfer in Steam Boiler Furnace, Hemisphere Publishing Corpn, 1988.
3. Civil Davies, Calculations in Furnace Technology, Pergamon Press, Oxford, 1966.
4. Holman J.P., Thermodynamics, Fourth Edition, McGraw-Hill Inc., 1988.
5. Samir Sarkar, Fuels & Combustion, 2nd Edition, Orient Longman, 1990.
6. Sharma SP., Mohan Chander, Fuels & Combustion, Tata Mcgraw Hill, 1984.
7. Yunus A. Cengel and Michael A. Boles, Thermodynamics, McGraw-Hill Inc., 2006.