2nd Semester HYD-551 - ADVANCED FLUID MECHANICS - II (a) Viscous Flow : Laminar flow through circular pipes, annulus and non-circular pipes. (b) Turbulent Flow : Turbulence models zero-equation, one-equation and multi- equations models, Turbulent flow through smooth and rough pipes, Darcy-weisbach resistance equation. Pipeflow Problems ; single, reservoir problems, Barnching of pipes, pipe network analysis. (c) Open Channel Hydraulics : Concept of open channel; basic equation - chezy's and Manning's equations and computation of uniform flow; concept of specific energy, critical flow and its computation. (d) Forces around Submerged Bodies : Drag and Lift forces, Drag and lift co-efficients, Stream lined and bluff bodies, Drag on flat plate, Drag on cylinder, Drag on sphere, Circulation and lift on a cylinder and an aerofoil. (e) Mathematical Modelling of Hydraulic System : Mathematical models, Errors in Numerical Analysis, Interpolation, Nonlinear Algebraic equations, Quadrature HYD-552 COMPUTATIONAL FLUID DYNAMICS (a) Introduction : Definition and overview of CFD, need advantages, problem areas and models of CFD. Convergence, consistency , von-neumann stability analysis, projection error, evolution error, solution accuracy, computational efficiency. (b) Classification of Partial Differential Equations : Elliptic, parabolic, and hyperbolic equations, equations in differential and integral form, stream function, vorticity, continuity, momentum equation, Navier-stokes equations. (c) Numerical Methods : Explicit, implicit, finite difference method and finite element and finite volume methods, discretisation of solution domain , L & W , Mac. coundee & upwind scheme, flux vector splitting, flux difference splitting scheme. (d) Initial and boundary conditions : Types of boundary conditions, Neumann boundary conditions, Dirichlet boundary conditions (flow upstream , No slip, on free surface, at exit and entry of ducts) (e) Grid Generation : Geometry description, algebric grid generation , trans finite interpolation , p.d.e. based grid generation. HYD-553 PRINCIPLES OF HYDRAULIC MACHINES Introduction of hydraulic machines: Introduction of hydraulic turbines and pumps., Fundamentals of hydraulic turbine theory. Theories of Hydrofoils in two dimensional flows : Forms of profiles, origin of circulation around hydro-foil, main characteristics, pressure distribution, force and moments on the profiles, experimental investigation of profiles, Joukowski-kutta theorem, practical profiles and their application in hydraulic machines, induced drag. (c ) Theory of Cascades: Main definitions, parameters of the cascade, lift force theorem for profile on cascade of infinitely thin profiles, different types of flow, The coefficient of cascade influence, direct and indirect problems for rectilinear cascades, calculation of flow through cascades, determination of infinitely thin profile with elliptical and non elliptical distribution of circulation, Calculation procedure and derivation of profile with finite thickness. (d) Similitude in hydraulic machines: Requirements of similitude, laws of similarity, Froude, Reynolds, Weber and mach number, undistorted and distorted models, model construction, closed conduit models, separation effects, water tunnel tests for cavitation studies, Affinity laws for hydraulic machines (turbine & pumps), characteristic turbine co-efficient, specific speed , scale effects. HYD-554 WATER CONVEYANCE SYSTEM Power Canals : Introduction , design-uniform flow, location and construction, unlined canals in soft ground, lined canal in soft ground, canals in rocks. Tunnels : Introduction, geometric design, hydraulic design, cross-sectional forms and size, rock tunneling procedure, tunnel support, tunnel lining , grouting. Concrete Pipes : Applications, precast concrete pipes, reinforced concrete pipes. Penstocks : Types of Penstocks, stresses in penstocks, economical diameter of penstocks, design of penstock, number of penstocks and equivalent penstock diameter, joints in pipeline, anchors and supports, valves. Surge Tanks: General function of a surge tank, types of surge tanks, design consideration of surge tanks, stability of surge tanks, Lined canals, Layout of lined canals. HYD- 561 HYDRO POWER STRUCTURES (ELECTIVE –II) (a) Intake Structures : Location and Intake types, hydraulic conditions affecting intakes, construction of low level intakes, Intake through concrete dams, design of intake, Intake Gates, Vertical Lift gates, Trash rakes, Trash screens, sediment exclusion arrangement. (b) Gravity Dams : Gravity analysis , Stress and strain tensors, formulation of problem, 2 and 3 dimensional elasticity , determination of normal , shear and principal stresses, foundation treatment , Joints. (c) Galleries and sluices : Stress concentration at openings in Dams, structural design of galleries, sluices, shafts. (d) Spillways : design of ogee and chute spillways ; energy dissipation arrangements . (e) Arch Dams : Design of arches by thin and thick cylinder theory. (f) Earth Dams: Design criteria, control of seepage through foundation and embankment, stability of slopes under different conditions including dynamic loading due to earthquakes. HYD-562 - INDUSTRIAL HYDRAULICS (ELECTIVE II) (a) Introduction : Fluid Power System, Hydraulic Symbols, Typical abbreviations used on symbols, circuit diagrams, pipe fitting used in fluid power system. (b) Fluid power pumps and motors : Function and purposes of pumps and motors; different types of pumps : (i) Rotary - gear pump, generated rotor pump, sliding vane rotary pump, variable - delivery sliding pump, screw type rotary pump. (ii) Reciprocating pumps - radial piston reciprocating pump, rotating barrel type axial - piston pump, connecting rod type axial - piston pump, simplex, duplex and triplex reciprocating pumps. (iii) Centrifugal pumps (iv) Simple jet pump, Head and energy in pump system, Head relations in a closed system, factors determining suction and discharge heads, pump characteristics; different type of hydraulic motors : (i) Radial piston motors (ii) non-rotating barrel type axial piston motors. (iii) Limited rotation motors. (c) Pressure Control Valves : Different types of valves ; Safety valves, relief valves, counter balance valves, sequence valves, unloading valves, pressure reducing valves, Hydraulic fuse, pressure switch. (d) Flow control valves : Basic two way valves, non-compensated flow control valves, check valves , control valve circuits, flow control valve with relief valve compensation. (e) Directional control valves : Check valves, pilot check valves, two way valves, shuttle valves, three way valves, diversion valves, four way valves, solenoid control valves. (f) Mechanical linkage system, servo system components, pressure pick up, amplifier, torque motor, servo valve, type directional control valve, oil pilot two stage actuation. Feedback circuits. (g) Industrial Hydraulic Circuits: Pressure regulating circuit, remote control of fluid pressure circuit , counterbalance circuit, sequence circuit, speed control circuit, mater-in and meter-out circuit , basic automation circuit, Motion synchronizing circuit , servo circuits. HYD 563 PROJECT PLANNING AND MANAGEMENT (ELECTIVE II) Productional planning control Introduction , objectives, functions of Project Planning Ccontrol, Production procedures organization of PPC, manufacturing methods nad PPC. Capacity Planning Measurement of capacity planning , estimating future capacity needs, factors inctrumenting capacity need . Aggregate planning. Master production schedule. Material requirement planning Objective , functions,, MRP technology, MRP system , MRP outputs, MRP logic, management resources. Project scheduling Objective of network analysis, Basic concept in network, Fulkerson’s rule, CPM, Programme evaluation and review techniques. Comparison between CPM and PERT.
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