CX4005 Fluidization Engineering Syllabus:
CX4005 Fluidization Engineering Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
• To understand the basics of fluidization of solid particles
• To study the dynamics inside a fluidized bed
• To gain knowledge about the mixing and segregation behaviour in fluidized particles
• To develop mass and energy balance in fluidized beds
• To know about latest developments in fluidization engineering and their applications
UNIT I INTRODUCTION
The Fluidized state, Nature of hydrodynamic suspension, particle forces, species of Fluidization, Regimization of the fluidized state, operating models for fluidization systems, Applications of fluidization systems
UNIT II HYDRODYNAMICS OF FLUIDIZATION SYSTEMS
General bed behaviour, pressure drop, Flow regimes, Incipient Fluidization, Pressure fluctuations, Phase Hold ups, Measurement Techniques, Empirical Correlations for Solids hold up, liquid hold up and gas hold up. Flow models – generalized wake model, structural wake model and other important models.
UNIT III SOLID MIXING AND SEGREGATION
Phase juxta positions operation shifts, Reversal points, Degree of segregation, Mixing Segregation equilibrium, Generalised fluidization of poly disperse systems, liquid phase mixing and gas phase mixing.
UNIT IV HEAT AND MASS TRANSFER IN FLUIDIZATION SYSTEMS
Mass transfer – Gas Liquid mass transfer, Liquid Solid mass transfer and wall to bed mass transfer, Heat transfer – column wall – to – bed heat transfer, Immersed vertical cylinder to bed heat transfer, Immersed horizontal cylinder to bed heat transfer.
UNIT V MISCELLANEOUS SYSTEMS
Conical Fluidized bed, Moving bed, Slurry bubble columns, Turbulent bed contactor, Two phase and Three phase inverse fluidized bed, Draft tube systems, Semi fluidized bed systems, Annular systems, Typical applications, Geldart’s classification for powder assessment, Powder characterization and modeling by bed collapsing.
TOTAL : 45 PERIODS
COURSE OUTCOMES:
Students would be able to
CO1: Understand the basics of fluidization and know the various industrial applications of fluidization
CO2: Learn the concepts of hydrodynamics in fluidized bed
CO3: Comprehend the formation and growth of bubble dynamics
CO4: Understand the bed behavior for various geometries of fluidized beds
CO5: Identify with the transport processes of fluidized beds and applications of fluidized beds
REFERENCES
1. Fan, L. S., Gas – liquid Solid Fluidization Engineering, Butterworths, 1989
2. Kunii, D., and Levenspiel, O., Fluidization Engineering, 2nd Edn., Butterworth – Heinemann, London, 1991
3. Kwauk M., Fluidization – Idealized and Bubble less, with applications, Science Press, 2009
4. D. Gidaspow., Multiphase flow and fluidization: continuum and kinetic theory description, Elsevier Science & Technology Books, 1993
5. L. G. Gibilaro, Fluidization – dynamics, Butterworth-Heinemann, 2001