Theory of Machines- II detailed syllabus scheme for B.Tech Mechanical Engineering (ME), 2019 onwards has been taken from the DBATU official website and presented for the Bachelor of Technology students. For Subject Code, Course Title, Lecutres, Tutorials, Practice, Credits, and other information, do visit full semester subjects post given below.
For all other DBATU Syllabus for Mechanical Engineering 5th Sem 2019, do visit ME 5th Sem 2019 Onwards Scheme. The detailed syllabus scheme for theory of machines- ii is as follows.
Theory of Machines- II Syllabus for Mechanical Engineering (ME) 3rd Year 5th Sem 2019 DBATU
Prerequisites:
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Course Outcomes:
At the end of the course, students will be able to:
- Identify and select type of belt and rope drive for a particular application
- Evaluate gear tooth geometry and select appropriate gears, gear trains
- Define governor and select/suggest an appropriate governor
- Characterize flywheels as per engine requirement
- Understand gyroscopic effects in ships, aeroplanes, and road vehicles.
- Understand free and forced vibrations of single degree freedom systems
Unit 1: Belt and Rope Drives
Flat belts, Effect of slip, Centrifugal tension, Creep, Crowing of pulley, Initial tension in belts. V- Belts, Virtual coefficient of friction, Effect of V-groove on torque transmitted. Rope drives, Rope constructions, Advantages of rope drives.
Unit 2: Toothed Gears
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Unit 3: Gear Trains
Velocity ratios, Types of gear trains, Tooth load, Torque transmitted and holding torque.
Unit 4: Governor and Flywheel
Governors: Function of governor, Inertia and centrifugal type of governors, Controlling force analysis, Governor Effort and governor power, Sensitivity, stability, Isochronisms and Hunting, Friction insensitiveness. Flywheel: Turning moment diagram, Fluctuation of energy and speed, Determination of flywheel size for different types of prime movers and machines.
Unit 5: Gyroscope
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Unit 6: Vibration
Basic concepts and definitions; vibration measuring parameters – displacement, velocity, and acceleration. Mechanical Vibration: Single degree of freedom system, SHM, Undamped free vibrations, damped free vibrations, Types of damping. Forced Vibration: Effect of excitation, Excitation due to reciprocating and rotating unbalance, Vibration isolation and transmissibility. Critical Speeds: Whirling of vertical and horizontal shaft carrying single rotor with damped and un-damped system, Whirling speed of multi rotor shafts. Torsional Vibrations: Single degree of freedom system Forced an free damped and undampedvibratins, Two rotor and three rotor system, Geared rotor system , Natural frequency , Modes of vibrations, Torsional dampers, Introduction to Holzers method for multi rotor system.
Text Books:
- S. S. Rattan, Theory of Machines, Tata McGraw Hill Publications, New Delhi.
- Thomas Beven, Theory of machines, CBS Publishers, Delhi, 1984.
- Kelly, Graham S., Mechanical Vibrations, Schaums Outline Series, McGraw Hill, New York, 1996.
- Rao, J.S., Introductory Course on Theory and Practice of Mechanical Vibration, New age International (P) Ltd, New Delhi, 2nd edition, 1999.
Reference Books:
- Rao Singiresu, Mechanical Vibrations, Pearson Education, New Delhi, 4th edition 2004.
- J. E. Shigley, J. J. Vicker, Theory of Machines and Mechanisms, Tata McGraw Hill International.
For detail syllabus of all other subjects of Mechanical Engineering (ME) 5th Sem 2019 regulation, visit ME 5th Sem Subjects syllabus for 2019 regulation.