Basic concepts: Fluid, Continuum hypothesis, Viscosity, General motion of a fluid element, Analysis of stress and rate of strain, Stress in a fluid at rest, Stress in a fluid in motion, Stokes’ law of friction, Thermal conductivity and generalized law of heat conduction.
Fundamental equations of the flow of viscous fluids: Introduction, Equations of state and continuity, Navier-Stokes’ equations of motion, Equation of energy, Vorticity and circulation.
Dynamical similarity, Inspection and dimensional analysis, Buckingham π-theorem and its application, Non-dimensional parameters and their physical importance, Reynolds number, Froude number, Mach number, Prandtl number, Eckart number, Peclet number, Grashoff number, Brinkmann number, Non–dimensional coefficients: Lift and drag coefficients, Skin-friction, Nusselt number, Temperature recovery factor.
Exact Solutions of Navier-Stokes’ equations: Velocity and temperature distributions for the flow between two parallel plates, Plane Couette flow, Plane Poiseuille flow, Generalized plane Couette flow, Velocity and temperature distributions for the flow in a circular pipe (Hagen- Poiseuille flow).
Flow in tubes of uniform cross-sections: Circular, Annular and Elliptic, Equilateral triangular and Rectangular cross-sections. Flow between two concentric rotating cylinders, Flow in convergent and divergent channels, Stagnation point flows: Hiemenz flow, Homann flow.
1. R.K. Rathy, An Introduction to Fluid Dynamics, Oxford and IBH Publishing Co., 1976.
1. Schaum's Outlines, Fluid Mechanics, McGraw-Hill Education, 1st edition, 2007.
2. G.K. Batchelor, An Introduction to Fluid Mechanics, Cambridge University Press, 2000.
3. M.D. Raisinghania, Fluid Dynamics, S. Chand & Co., 2003.
4. Pradip Niyogi, S.K. Chakrabartty, M. K. Laha, Introduction to Computational Fluid Dynamics, Pearson Education, 2006.