FLUID MECHANICS

FLUID MECHANICS

ME 122�� No. of hrs/week = 03 + 03

�� No. of credits� = 04

1.� Fluid Properties :

�� Definition and properties of fluids. Simple problems on viscosity, capillarity, surface tension, mass density, specific weight, specific gravity.�� - 3 hrs.

2.�� Fluid statics.

�� Intensity of pressure, pressure variation in static incompressible and compressible fluids, Isothermal and isentropic conditions, manometers, simple, differential, inclined, inverted and micro-manometers. Hydrostatic forces and center of pressure on submerged plane surfaces and curved surfaces. Buoyancy Equilibrium of floating bodies, determination of metacentric height analytical problems.�� -12 hrs.

3.� Kinematics and Dynamics of Fluid motion :

�� Methods describing the fluid motion, classification of flow, stream line, path line, velocity potential, stream function, rotational and irrotational motion, control volume formulation, continuity equation for steady 3-D flow, acceleration of fluid particle, Euler�s equation of motion for 3-D flow, Bernoulli�s theorem for steady incompressible fluid, Venturimeter, orifice meter, pitot tube for measuring velocity in pipes.� -12 hrs.

4.� Flow of Compressible ideal Fluid :

�� Euler's equation and energy equation as applied to compressible fluid flow. Gas laws,�� velocity of sound in a fluid medium. Pressure field due to a moving source, stagnation and sonic properties, effect of area variation on flow properties in isentropic flow , isentropic flow in a converging nozzle and converging � diverging nozzle.�� - 6 hrs.

5. Flow of Real Fluid :

�� Laminar flow through circular pipe- Hagen Poiseuille equation, Turbulent flow in pipes, shear stress in turbulent flow, Prandtl�s boundary layer theory, Boundary layer along a long thin plate, hydro-dynamically smooth and rough boundaries, velocity distribution for turbulent flow in pipes- hydro-dynamically smooth and rough pipes, velocity distribution in terms of mean velocity for smooth and rough pipes, variation of friction factor �f� for laminar flow, variation of friction factor for turbulent flow in smooth pipes and rough pipes. �� - 6 hrs.

6. Fluid flow in pipes :

�� Equation� for head loss in pipes due to friction- DARCY-WEISBATCH equation, energy losses in pipes � major loss and minor loss, flow through long pipes, pipes in series, equivalent pipe, pipes in parallel branched pipes.�� - 5 hrs.

7. Dimensional analysis and similitude: Rayleigh method, Buckingham p method for dimensional analysis, model investigation, similitude- types of similarities, similarity laws.� �� - 5 hrs.

FLUID MECHANICS

LABORATORY CLASSES