Module Overview

Mechanics 3

This subject equips the student with a fundamental understanding of mechanics of machines. It will provide the student with analytical and practical skills for the solution of problems in this area.

Module Code

MECH H2007

ECTS Credits

5

*Curricular information is subject to change

Angular Motion:

Angular displacement, velocity and acceleration, the radian and the equations of motion. Torque, Moment of Inertia, Radius of Gyration, flywheels. Centrifugal and centripetal forces.

Work, Power & Energy:

Work, Power and Energy in linear systems, and rotational systems. Spring energy.

Momentum:

Linear momentum, Principle of conservation of momentum. Linear problems.

Relative Velocity:

Relative velocity problems.

Simple Machines:

Mechanical Advantage & Velocity Ratio, Efficiency. Graphing load vs effort. The law of the machine. Power transmitted.

Gears:

Introduction to simple spur gear; calculating speed ratios, torques and power transmitted. Effect of efficiency on torque. Gear design, geometry of gear teeth, Description of different types of gears and their applications: spur, helical, bevel, worm and epicyclic gears. Effects of gears on inertia.

Clutches:

Analysis of Friction Plate clutches, using both Uniform wear and Uniform pressure theory. Description of friction plate, cone, centrifugal and fluid coupling clutches.

Belt Drives:

Descriptions of flat, toothed and v-belts and their applications. Solving problems involving tensions, torque and the power transmitted with both flat and v-belts.

Module Content & Assessment
Assessment Breakdown %
Formal Examination70
Other Assessment(s)30