| Lectures: 4+1 periods/week | Sessional Marks: 30 |
| University Exam: 3 Hours | University Examination Marks: 70 |
UNIT-I
Introduction to momentum transport, viscosity and the mechanism of momentum transport, Newton's law of viscosity, non-Newtonian fluids, pressure and temperature dependence of viscosity of liquids and gases. Estimation of the viscosity of a gas mixture. Viscosity distribution in laminar flow, shell momentum balances and boundary conditions, flow of falling film-flow through circular tubes and annulus, adjacent flow of two immiscible liquids.
Equations of continuity and motion-application of Navier strokes equation and Euler equation for laminar, steady flow problems tangential annular flow of a Newtonian fluid-shape of the surface of a rotating liquid.
UNIT-II
Velocity distribution in turbulent flow, fluctuations and time smoothed quantities, time smoothing of equations of change for an incompressible fluid logarithmic distribution law for tube (far from wall) velocity distribution for tube flow (near wall)
Interphase transport in isothermal systems, friction factors for flow in tube-pressure drop calculations, friction factors for flow around spheres, packed columns, macroscopic mass, momentum and mechanical energy balances, estimation of friction loss, pressure rise and friction loss in a sudden expansion, performance of a liquid-liquid ejector.
UNIT-III
Energy transport by steady state conduction, thermal conductivity mechanism of energy transport, Fourier's law, effect of temperature and pressure on thermal conductivity.
Temperature distribution in solids and in laminar flow, shell energy balances, boundary conditions, heat conduction with electrical heat source, viscous heat source, heat conduction through composite wall, addition of resistances, forced convection and free convection. Heat transfer coefficients-forced convection in tubes & around submerged objects, Heat transfer coefficients for forced convection through packed beds, heat loss by free convection from a horizontal pipe.
UNIT-IV
Diffusivity and mechanism of mass transport, definition of concentration, velocities and mass fluxes, Fick's law of diffusion, temperature and pressure dependence of mass diffusivity, shell mass balances, boundary conditions and applications diffusion through a stagnant gas film, diffusion with heterogeneous and homogeneous chemical reactions. Diffusing into falling liquid film. Equation of continuity for binary mixtures.
Text Books