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ME1201 FLUID MECHANICS AND MACHINERY
Posted Date: 25 Apr 2008 Resource Type: Articles/Knowledge Sharing Category: Syllabus
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Posted By: Nithya Krishna Member Level: Gold
Rating:  Points: 5
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ME1201 FLUID MECHANICS AND MACHINERY
UNIT I
FLUID STATICS:
Properties of Fluid – pressure head – Pascal’s law – absolute and gauge pressures – measurement of pressure – manometers (single, U-tube, differential), Mechanical gauges – Hydrostatic forces on a submerged plane and curved surfaces – centre of pressure – Buoyancy and Floatation – Meta-centric height – stability of floating and submerged bodies.
UNIT II
FLUID KINEMATICS:
Types of fluid flow – Types of flow lines – rate of flow – continuity equation – circulation and vorticity – stream function, velocity potential – equipotent line – Cauchy Riemann equations – flow nets.
FLUID DYNAMICS:
Euler’s Equation of motion – Bernoulli’s Equation – Applications – Venturimeter, orifice meter, pilot tube – free liquid jet – impulse momentum equation – coriolis co-efficients – flow through an orifice – Torricelli’s theorem – hydraulic coefficients.
UNIT III
LAMINAR, TURBULENT FLOWS:
Reynold’s experiment – critical Reynolds number – Navier – stokes equations of motion – relation between shear stress and pressure gradient – flow of viscous fluid in circular pipes – Haigen poiseuille’s equation – turbulent flow – darcy weisbach equation – major and minor energy losses – pipes in series and parallel – power transmission through pipes – boundary layer – characteristics – thickness – total drag due to laminar and turbulent layer – boundary layer separation and its control.
UNIT IV
PUMPS :
Rotodynamic pumps – principles of dimensional analysis – Buckinghams theorem – important dimensionless numbers applicable to fluid mechanics – centrifugal pumps – some definitions – pump output and efficiencies – effect of vane angle– cavitation – constructional details, pump characteristics, multistage pumps.
Axial flow pumps – characteristics – constructional details, non-dimensional parameters – efficiencies. Vibration & noise in hydraulic pumps.
UNIT V
HYDRAULIC TURBINES:
Classification of hydraulic turbines – Pelton turbines, velocity triangle – efficiencies – non dimensional numbers, working principle of the Pelton wheel.
Francis and Kaplan turbines – velocity triangles, - efficiencies of the draft tubes, hydraulic turbine characteristics.
TEXT BOOKS
1. P N Modi, S.M Seth, “Hydraulics and Fluid Mechanics including Hydraulic Machines” 14th Edition, Standard Book House, Delhi, 2002.
2. R K Rajput,”Fluid Mechanics and Hydraulic Machines” 2nd revised Edition, S.Chand&Company Ltd., New Delhi, 2002
REFERENCES
1. Roberson, J.A. and Crowe C.T., “Engineering Fluid Mechanics”, 6th Edition, Johwiley, 1999.
2. Kothanda Raman C.P. and Rudhramoorthy R. “Basic Fluid Mechanic”, 3rd Edition, New age international (P) Ltd., Chennai, 1999.
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