Notes for Machine Dynamics-2 - MD-2 by Sinay Namgyal

Motor Vehicle Steering Gears - Davis Steering Gear & Ackermann Steering Gear, Hooke’s Joint.

Concept on Gyroscopic Couple for Plane Disc & Two-bladed airscrew, Effect of Gyroscopic Couple on Ships & Aeroplanes, Stability of Two Wheelers and Four Wheelers. Analysis on bearing reactions due to Forced Precession of Rotating Disc mounted on Shafts, Introduction on Gyroscopic Stabilisation

Gear terminology, law of gearing , Theory of shape and action of tooth properties and methods of generation of standard tooth profiles, Standard proportions, Path of contact, Arc of contact, Contact ratio, Interference and Under – Cutting, Methods for eliminating Interference, Minimum number of teeth to avoid interference.

Types of cams, Types of followers, Types of follower motions - Simple Harmonic, Uniform Velocity and Constant Acceleration & Retardation Types, Analysis for Displacement, velocity and Acceleration of Follower, Generation of Cam Profiles by Graphical Method, Introduction on Cams with specified contours.

Centrifugal Governors - Watt, Porter, Proell and Spring Loaded Governor of Hartnell type, Controlling Force & Controlling Force Curve, Sensitiveness, Stability, Isochronism, Hunting, Governor Effort and Power, Effect of Friction & Coefficient of insensitiveness.

Flywheel and Determination of its size from Turning Moment Diagram & Maximum Fluctuation of Energy

Static and Dynamic Balancing, Balancing of Single Rotating Mass by Balancing Masses in Same plane and in Different planes. Balancing of Several Rotating Masses rotating in Same plane and in Different planes. Effect of Inertia Force due to Reciprocating Mass on Engine Frame, Partial balance of single cylinder engines. Primary and Secondary Balance of Multi-cylinder In-line Engines. Direct and Reverse Crank method of balancing for radial engines.

Introduction to Mechanical Vibration – Longitudinal, Transverse Systems, Concept on Degrees of Freedom. Free and Forced Vibration of Un-damped and Damped Single Degree Freedom Systems, Vibration isolation and transmissibility, Whirling of shafts and Evaluation of Critical Speeds of shafts.

Torsional Vibration