15BT32 Unit Operations syllabus for BT



A d v e r t i s e m e n t

Module-1 FLUID MECHANICS CONCEPTS 10 hours

Fluid definition and classification, Rheological behavior of fluids & Newton’s Law of viscosity. Fluid statics-Pascal\'s law, Hydrostatic equilibrium, Barometric equation and pressure measurement(problems),Basic equations of fluid flow - Continuity equation, Euler’s equation and Bernoulli equation; Types of flow - laminar and turbulent; Reynolds experiment; Flow through circular and non circular conduits - Hagen Poiseuille equation (no derivation).Flow past immersed bodies – drag and drag co-efficients, application of Kozney-Karmen & Burke Plummer equation; Flow through stagnant fluids – theory of Settling and Sedimentation – Equipments (cyclones, thickners) Conceptual numericals.

Module-2 FLOW MEASUREMENTS & MECHANICAL OPERATIONS 10 hours

Different types of flow measuring devices, flow measurements – Orifice meter, Venturimeter, Rotameter. Pumps – types of pumps(Centrifugal & Reciprocating pumps), application of Bernoulli’s equation for Energy calculations in pumps.Properties and handling of particulate solids – characterization of solid particles, average particle size, screen analysis- Conceptual numericals of differential and cumulative analysis. Size reduction –characteristics of comminuted products, crushing laws, working principle of ball mill., Mixing – types of mixers (ribbon and muller mixer), power number and power number calculation; Filtration & types, filtration equipments (plate and frame, rotary drum). Conceptual numerical

Module-3 CONDUCTIVE & CONVECTIVE HEAT TRANSFER 10 hours

Modes of heat transfer; Conduction – steady state heat conduction through unilayer and multilayer walls, cylinders; Insulation, critical thickness of insulation. Convection- Forced and Natural convection, principles of heat transfer co-efficents, log mean temperature difference, individual and overall heat transfer co-efficients, fouling factor; Condensation – film wise and drop wise (no derivation). Conceptual numericals.

Module-4 HEAT TRANSFER EQUIPMENTS & BASICS OF MASS TRANSFER 10 hours

Heat transfer equipments – double pipe heat exchanger, shell and tube heat exchanger. Diffusion - Fick’s law of diffusion. Types of diffusion. Steady state molecular diffusion in fluids at rest and laminar flow (stagnant / unidirection and bi direction). Mass, heat and momentum transfer analogies. Measurement of diffusivity, Mass transfer coefficients and their correlations. Interphase mass transfer- equilibrium, diffusion between phases. Conceptual numericals.

Module-5 MASS TRANSFER OPERATIONS 10 hours

Distillation – Methods of distillation, distillation of binary mixtures using McCabe Thiele method.Liquid liquid extraction – equilibrium, stage type extractors (belt extraction and basket extraction).Drying- drying operations, batch and continuous drying. Conceptual numerical

Last Updated: Tuesday, January 24, 2023