Mechanical Engineering Syllabus Gauhati University

Hi buddy here I have come to get Gauhati University- Bachelor of Engineering (BE) - CHE517 - Mechanical Operations paper syllabus , so can you here provide me ??

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As you are asking I am providing Gauhati University- Bachelor of Engineering (BE) - CHE517 - Mechanical Operations paper syllabus:

1. PARTICULATE SOLIDS 6 hrs.
Particle characterization – particle size distribution and mean particle size.
Particulate solid in bulk-agglomeration, angle of repose and friction, flow of solids in hoppers, flow of solids through orifices, conveying of solids, measurement of solid flow rate.

Classification of solid particles – gravity settling, centrifugal separators, sieves, magnetic separators, electrostatic separators, floatation.

2. SIZE REDUCTION OF SOLIDS 5 hrs.
Mechanism of size reduction.
Energy for size reduction – energy utilization.
Methods of operating crushers.
Nature of materials to be crushed.
Types of crushing equipments-Coarse crushers, Intermediate crushers, Fine crushers, Vibration mills, Colloid mills, Fluid energy mills.

3. MOTION OF PARTICLES IN A FLUID 5 HRS.
The drag force on a spherical particle – total force on the particle – effect of motion of the fluid – terminal falling velocities.
Non-spherical particles – effect of shape& orientation on drag – terminal falling velocities.
Motions of bubble and drops.
Acceleration motion of a particle in the gravitational field.
Motion of particles in a centrifugal field.

4. SEDIMENTATION 4 HRS.
Gravitational sedimentation – Fine suspensions – Coarse suspensions – Solids flux in batch sedimentation – The Kynch theory of sedimentation – thickner.
Centrifugal separation – behaviour of liquids in centrifuge basket – fluid pressure – sedimentation in a centrifugal field – separation of two immiscible liquids – centrifugal equipment.

5. FLUIDISATION 5 hrs.
Characteristics of fluidized systems – properties of gas – solids and liquid – solids systems – effect of fluid velocity on pressure gradient – minimum fluidizing velocity.
Liquid-solid system-bed expansion-liquid and solid mixing.
Gas-solid systems-bed characteristics-properties of bubbles in the bed-gas and solid mixing.

Mass and heat transfer between fluid and particles.
Application of the fluidized solids techniques-fluidized bed catalytic cracking-application in chemical industries-fluidised bed combustion.

6. PNEUMATIC AND HYDRAULIC CONVEYING 2 hrs.
Pneumatic conveying-vertical and horizontal.
Hydraulic conveying-homogenous flow-horizontal transport of settling suspensions-vertical transport-industrial applications.

7. GAS CLEANING. 3 hrs.
Gravity separators, centrifugal separators, inertia or momentum separators, fabric filters, electrostatic precipitators, liquid washing, Agglomeration and coalescence.

8. FILTRATION 7 hrs.
The theory of filtration – relation between thickness of cake and volume of filtrate-flow of liquid through the cloth-flow of filtrate through the cloth and cake combined, compressible filter cakes.
Filtration practice-The filter medium-blocking filtration, effect of particle sedimentation on filtration-delayed cake filtration-preliminary treatment of slurries before filtration-washing of filter cake.
Filtration equipment
Filtration in a centrifuge
Filtration calculations.

9. MIXING AND AGITATION. 3 hrs.
Agitation of liquids – Purpose of agitation-agitation equipment-Impellers-Flow patterns in agitation vessels-circulation rate- velocity gradients in agitated vessels-power correlations for specific impellers-effect of system geometry-calculation of power consumption.