←Mechanical Engineering

3L + 0T + 3P Detailed contents: Module 1 Definition of fluid, Units and dimensions, Newton’s law of viscosity, Properties of fluids, mass, density, specific volume, specific gravity, viscosity, surface tension and capillarity, vapor pressure, compressibility and bulk modulus. 1 Hydrostatics; fluid force on plane and curved surfaces, manometers, buoyancy, uniformly accelerated motion. Module 2 Kinematics of fluid flow: Generalized continuity equation, Irrotational motion and solution to Laplace equation. Concept of stream lines, Equipotential Lines, Flow Nets. Module 3 Dynamics of fluid flow: Control volume and control surface, application of continuity equation and momentum equation, Bernoulli’s equation and its applications. Module 4 Concept of boundary layer, boundary layer thickness, Displacement thickness, momentum thickness, energy thickness. Module 5 Laminar viscous flow through circular conduits, Couette and Poiseuille flow, Turbulent flow through pipes, Darcy Weisbach equation, friction factor for smooth and rough pipes, Moody’s diagram. Module 6 Need for dimensional analysis, methods of dimensional analysis, Similitude and types of similitude, Dimensionless parameters, application of dimensionless parameters Model analysis. Module 7 Forces on immersed bodies, concepts of separation, drag force, circulation and lift force.

3L + 1T + 0P Detailed contents: 3 Module 1 Introduction to solid, liquid and gaseous fuels: Stoichiometry, exhaust gas analysis- First law analysis of combustion reactions. Heat calculations using enthalpy tables. Adiabatic flame temperature. Chemical equilibrium and equilibrium composition calculations using free energy. Module 2 Thermodynamic cycles, Gas power cycles: Air standard Otto, Diesel and Dual Cycles. Air standard Brayton cycle, effect of reheat, regeneration and intercooling. Combined gas and vapor power cycles. Vapor compression refrigeration cycles and comparison with Carnot cycle, refrigerants and their properties. Module 3: Vapor power cycles: Basic Rankine cycle, Rankine cycle with superheat, reheat and regeneration, exergy analysis. Super- critical and ultra-super-critical Rankine cycle. Module 4 Basics of compressible flow. Stagnation properties, Isentropic flow of a perfect gas through a nozzle, choked flow, subsonic and supersonic flows- normal shocks- use of ideal gas tables for isentropic flow and normal shock flow- Flow of steam and refrigerant through nozzle, super saturation - compressible flow in diffusers, efficiency of nozzle and diffuser. Module 5 Analysis of steam turbines, velocity and pressure compounding of steam turbines. Module 6 Reciprocating compressors, staging of reciprocating compressors, optimal stage pressure ratio, effect of intercooling, minimum work for multistage reciprocating compressors.

3L + 0T + 3P Detailed contents: Module 1 Deformation in solids: Hooke’s law, stress and strain- tension, compression and shear stresses-elastic constants and their relations- volumetric, linear and shear strains- principal stresses and principal planes- Mohr’s circle, theories of failure, Module 2 Beams and types transverse loading on beams: shear force and bend moment diagrams- Types of beam supports, simply supported and overhanging beams, cantilevers. Theory of bending of beams, bending stress distribution and neutral axis, shear stress distribution, point and distributed loads. Module 3 5 Moment of inertia about an axis and polar moment of inertia, deflection of a beam using double integration method, computation of slopes and deflection in beams, Maxwell’s reciprocal Theorems. Module 4 Torsion, stresses and deformation in circular and hollow shafts, stepped shafts, deflection of shafts fixed at both ends, stresses and deflection of helical springs. Module 5 Axial and hoop stresses in cylinders subjected to internal pressure, deformation of thick and thin cylinders, deformation in spherical shells subjected to internal pressure.

3L + 0T + 0P Detailed contents: Module 1 Crystal Structure: Unit cells, Metallic crystal structures, Ceramics. Imperfection in solids: Point, line, interfacial and volume defects; dislocation strengthening mechanisms and slip systems, critically resolved shear stress. Module 2 Alloys, substitutional and interstitial solid solutions: Phase diagrams: Interpretation of binary phase diagrams and microstructure development; eutectic, peritectic, peritectoid and monotectic reactions. Iron-carbide phase diagram and microstructural aspects of ledeburite, austenite, ferrite and cementite, cast iron. Module 3 Mechanical Property measurement: Tensile, compression and torsion tests; Young’s modulus, relations between true and engineering stress-strain curves, generalized Hooke’s law, yielding and yield strength, ductility, resilience, toughness and elastic recovery; Hardness: Rockwell, Brinell and Vickers and their relation to strength, Introduction to non-destructive testing (NDT). Module 4 Heat treatment of Steel: Annealing, tempering, normalising and spheroidising, isothermal transformation diagrams for Fe-C alloys and microstructure development. Continuous cooling curves, T-T-T diagram and interpretation of final microstructures 7 and properties- austempering, martempering, case hardening, carburizing, nitriding, cyaniding, carbo-nitriding, flame and induction hardening, vacuum and plasma hardening. Module 5 Alloying of steel, properties of stainless steel and tool steels, maraging steels- cast irons; grey, white, malleable and spheroidal cast irons- copper and copper alloys; brass, bronze and cupro-nickel; Aluminium and Al-Cu – Mg alloys- Nickel based superalloys and Titanium alloys.

3L + 0T + 0P Module 1 Measurement systems and performance: configuration of a measuring system, Methods for correction for interfering and modifying inputs– accuracy, range, 8 resolution, error sources, precision, error sensitivity etc.Classification of errors and statistical analysis of experimental data. Module 2 Instrumentation system elements: sensors for common engineering measurements. Transducers based on variable resistance, variable induction, variable capacitance and piezo-electric effects, Displacement transducer. Module 3 Signal processing and conditioning; correction elements- actuators: pneumatic, hydraulic, electric. Module 4 Control systems: basic elements, open/closed loop, design of block diagram; control method – P, PI, PID, when to choose what, tuning of controllers. Module 5 System models, transfer function and system response, frequency response; Nyquist diagrams and their use. Practical group based project utilizing above concepts.