AS4004 Fundamentals of Combustion Syllabus:
AS4004 Fundamentals of Combustion Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
This course will enable students
1. To impart knowledge to students on basic fuel and oxidizer characteristics.
2. To impart the concept of various governing equation and role of chemical kinetic in combustion process.
3. To make the students to understand various kinds flame and factors affecting flame.
4. The concept of diffusion flames.
5. Application of calculation in the field of Aerospace engineering.
UNIT I THERMODYNAMICS OF COMBUSTION
Combustion, types of fuels and oxidizers, calorific value measurements, flash point, fire point, smoke point, specific gravity, auto ignition temperature, Proximate analysis, ultimate analysis, Ideal gas law, gas mixture, sensible enthalpy, stoichiometry, equivalence ratio, heat of reaction, heat of combustion, heat of formation, adiabatic flame temperature, determination of equilibrium composition.
UNIT II TRANSPORT PHENOMENA AND CHEMICAL KINETIC OF COMBUSTION
Mass Transfer Rate Laws, Species Conservation, Some Applications of Mass Transfer, Global Versus Elementary Reactions, Rates of Reaction for Multistep Mechanisms, Net Production Rates, Compact Notation, Relation Between Rate Coefficients and Equilibrium Constants, Steady-State Approximation, The Mechanism for unimolecular Reactions, Chain and Chain Branching Reactions, Chemical Time Scales, Partial Equilibrium, Reduced Mechanisms.
UNIT III PREMIXED FLAMES
Physical Description, detonation and deflagration, Hugoniot curve, Determination of CJ points, Governing Equations, Boundary Conditions, Structure of CH4–Air Flame, Factors Influencing Flame Velocity and Thickness, Flame Speed Correlations, Quenching, Flammability, and Ignition, Quenching by a Cold Wall Flammability Limits Ignition, Flame Stabilization.
UNIT IV LAMINAR DIFFUSION FLAMES
Non-reacting Constant-Density Laminar Jet, Physical Description, Conservation Laws, Boundary Conditions, Solution, Jet Flame Physical Description, Simplified Theoretical Descriptions, Flame Lengths for Circular-Port and Slot Burners, Roper’s Correlations ,Flow rate and Geometry Effects, Factors Affecting Stoichiometry, Soot Formation and Destruction Counter flow.
UNIT V DROPLET EVAPORATION AND BURNING
Simple Model of Droplet Evaporation, Gas-Phase Analysis, Droplet, Simple Model of Droplet Burning, Burning Rate Constant and Droplet, Lifetimes, Extension to Convective Environments, Additional Factors, One-Dimensional Vaporization-Controlled Combustion.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Upon completion of this course, students will be
CO1: Exposed to different kinds of fuel and oxidizer characteristics.
CO2: Able to realize basic chemical kinetics and mechanisms behind exothermic reactions.
CO3: Exposed to the significance of premixed flames.
CO4: To acquire knowledge on characteristics of diffusion flames, soot formations etc.
CO5: To familiarize in the field of droplet and evaporation theory.
REFERENCES:
1. Kenneth K.Kuo, “Principles of combustion”, John Wiley & sons Inc, 2ndedition, 2012.
2. Mishra, DP, “Fundamentals of Combustion”,PHI publishers, 2008.
3. Mukunda,HS, “Understanding combustion”, Orient Blackswan, 2nd edition, 2009.
4. Stephen Turns , “An Introduction to Combustion: Concepts and Applications”, McGrawHill, 4th edition, 2020.
5. VasudevanRaghavan, “Combustion Technology: essentials of flames and burners”, Ane Books Pvt.Ltd, 1st edition, 2016.