Unit -1: Introduction to Mechanics
Force moment and couple, principle of transmissibility, Varignon's theorem. Resultant
of force system- concurrent and non-concurrent coplanar forces, Types of supports
(Hinge, Roller) and loads (Point, UDL, UVL), free body diagram, equilibrium
equations and Support Reactions.
Normal and shear Stress, strain, Hookes’ law, Poisson’s ratio, elastic constants and
their relationship, stress-strain diagram for ductile and brittle materials, factor of
safety.
Unit-2: Introduction to IC Engines and Electric Vehicles
IC Engine:Basic definition of engine and Components, Construction and Working of
Two stroke and four stroke SI & CI engine, merits and demerits, scavenging process;
difference between two-stroke and four stroke IC engines and SI and CI Engines.
Electric vehicles and hybrid vehicles: Components of an EV, EV batteries,
chargers, drives, transmission and power devices. Advantages and disadvantages of
EVs. Hybrid electric vehicles, HEV drive train components, advantages of HV.
Unit-3: Introduction to Refrigeration and Air-Conditioning
Refrigeration: Refrigerating effect, Ton of Refrigeration; Coefficient of performance,
methods of refrigeration, construction and working of domestic refrigerator, concept
of heat pump.
Air-Conditioning: Its meaning and application, humidity, dry bulb, wet bulb, and
dew point temperatures, comfort conditions, construction and working of window air
conditioner.
Unit-4: Introduction to Fluid Mechanics and Applications
Introduction: Fluids properties, pressure, density, dynamic and kinematic viscosity,
specific gravity, Newtonian and Non-Newtonian fluid, Pascal’s Law and Continuity
Equation.
Working principles of hydraulic turbines (Pelton Wheel and Francis)& pumps
(Centrifugal and Reciprocating) and their classifications and hydraulic lift.
Unit-5: Introduction to Measurement and Mechatronics Introduction to Measurement: Concept of Measurement, Error in measurements,
Calibration, measurements of pressure(Bourdon Tube Pressure and U-Tube
Manometer), temperature(Thermocouple and Optical Pyrometer), mass flow
rate(Venturi Meter and Orifice Meter), strain(Bonded and Unbonded Strain Gauge),
force (Proving Ring) and torques(Prony Brake Dynamometer); Concepts of accuracy,
precision and resolution.
Introduction to Mechatronic Systems: Evolution, Scope, Advantages and
disadvantages of Mechatronics, Industrial applications of Mechatronics, Introduction
to autotronics, bionics, and avionics and their applications. Sensors and Transducers:
Types of sensors, types of transducers and their characteristics.
Overview of Mechanical Actuation System – Kinematic Chains, Cam, Ratchet
Mechanism, Gears and its type, Belt, Bearing.
Hydraulic and Pneumatic Actuation Systems: Overview: Pressure Control
Valves, Direction Control Valves, Rotary Actuators, Accumulators and Pneumatic
Sequencing Problems.
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