Subject Details
Dept     : FTECH
Sem      : 3
Regul    : 2019
Faculty : Ms. S.V. Gokula Varshini
phone  : NIL
E-mail  : gokula.vsv.ft@snsct.org
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Syllabus

UNIT
1
INTRODUCTION AND FLUID FLOW THEORY

Conservation of mass and energy, Overall view of an engineering process, Dimensions and units: Dimensions. ,consistency. Unit, Dimensionless, Precision. Fluid Flow Theory: Mass balance, Energy balance ,Potential energy, Kinetic energy, Pressure energy , Friction loss Mechanical energy ,Other effects Bernoulli’s equation. Energy losses In Flow

UNIT
2
MATERIAL AND ENERGY BALANCES

Conservation of mass and energy, Overall view of an engineering process, Mass balance Energy balance ,Potential, energy, Pressure energy, Frictionless, Mechanical energy Other effects, Bernoulli’s equation, Basis and units, total mass and composition concentrations, Types continuous processes, blending, Layout

UNIT
3
SIZE REDUCTION

Size reduction ,grinding and cutting , principles of comminuting , characteristics of comminuted products , particle size distribution in comminuted products, energy and power requirements in comminuting , crushing efficiency , Rittinger’s, Bond’s and Kick’s laws for crushing, size reduction equipments ,crushers , grinders , construction and operation.. Lab Experiments:  Experiments on energy requirement in size reduction using ball mill  Experiments on energy requirement in size reduction using hammer mill  Experiments on energy requirement in size reduction using pin mill  Particle size determination by sieve analysis

UNIT
4
MIXING AND BLENDING

Mixing of fluids , blending , types of blenders , flow patterns in fluid mixing , energy input in fluid mixing - kneading , in flow mixing , emulsification and homogenization , mixing of particulate solids , mixing and segregation ,quality of mixing, mixedness, equipments, homogenization , principles , equipments Lab Experiments:  Studies on mixing and blending

UNIT
5
MECHANICAL SEPARATION

V MECHANICAL SEPARATION 12 Filtration - filter media, types and requirements, constant rate filtration, constant pressure filtration, filter cake resistance, filtration equipments, filter aids. Extraction - introduction, mechanisms, applications and equipment. Sedimentation - gravitational sedimentation of particles in a fluid, Stoke’s law, sedimentation of particles in gas, cyclones, settling under sedimentation and gravitational sedimentation. Centrifugal separations - rate of separations, liquid, liquid separation, centrifuge equipment, liquid-liquid centrifugation, liquid-solid centrifugation. Lab Experiments:  Performance evaluation of a Centrifugal separator using starch material  Performance evaluation of a Cyclone separator based on size of grains/ pulses  Experiment on leaf filter extraction  Experiment on sedimentation (corn starch)

Reference Book:

1 Paul Singh, R. and Dennis R. Heldman. 2009. Introduction to Food Engineering fourth edition. Academic press, New York, USA. 2 Albert Ibarz and Gustavo V. Barbosa-Cánovas. 2003. Unit Operations in Food Engineering. CRC Press LLC, Florida. 3 C.J.Geankoplis, Transport Process and Unit Operations, Prentice-Hall of India Pvt. Ltd, New Delhi. 1999.

Text Book:

1 R.L. Earle, Unit Operations in Food Processing, Pergamon Press, Oxford, U.K., 2003. 2 McCabe, W.L., J.C.Smith and P.Harriot. 2014. Unit Operations of Chemical Engineering. McGraw-Hill Education (India) Private limited, New Delhi – 110 016.

 

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