509105. Fluidization Engineering
Teaching scheme Examination Scheme
Lecture: - 3h/week Theory: - 100 Marks
The fluidized state, Nature of hydro dynamic suspension particle-particle forces, species of fluidization,
Regimization of the fluidized state, operating models for fluidizations systems, Application of fluidization
HYDRODYNAMICS OF FLUIDIZATION SYSTEMS
General bed behavior pressure drop, Flow regimes, Incipient fluidization, pressure fluctuations, phase
holdups, Measurement techniques, Empircial correlations for soilds holdup, liquid holdup and gas holdup,
Flow models - generalized wake model, structural wake model and other imporatant models.
SOLIDS MIXING AND SEGREGATION
Phase juxtaposition operation shifts, Reversal points, Degree of segregation, Mixing - segregation
equilibrium, Generalized fluidization of poly disperse systems, liquid phase mixing and gas phase mixing.
HEAT AND MASS TRANSFER FLUIDIZATION SYSTEMS
Mass transfer - gas-liquid mass transfer, Liquid soild 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.
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 power assessment, Powder characterization and modeling by bed
1. Gas-Liquid-Solid Fluidization Engineering, Liang-Shih Fan, Butterworths, 1989.
2. Fluidization Idealized and Bubbleless, with Applications, Mosoon Kwauk, Science Press,
3. Fluidization Engineering, O. Levenspiel and D. Kunii, John Wiley, 1972.
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