Lectures, tutorials along with self-directed study and practical exercises.

Module Aim:

To provide the student with an understanding of the underlying scientific principles of Mechanical Engineering

Learning Outcomes

On successful completion of this module the learner should be able to:

LO1

Interpret written descriptions of practical engineering problems.

LO2

Translate written descriptions into mathematical form.

LO3

Select appropriate mathematical formulae for a given problem.

LO4

Perform experiments on mechanical engineering science topics and interpret the results.

LO5

Model, report & solve mathematical problems using spreadsheets

Pre-requisite learning

Module Recommendations

This is prior learning (or a practical skill) that is recommended before enrolment in this module.

No recommendations listed

Incompatible Modules

These are modules which have learning outcomes that are too similar to the learning outcomes of this module.

No incompatible modules listed

Co-requisite Modules

No Co-requisite modules listed

Requirements

This is prior learning (or a practical skill) that is mandatory before enrolment in this module is allowed.

No requirements listed

Module Content & Assessment

Indicative Content

Theory - Units

• Mass, length, time, density, relative density, force, weight and the International system of units

Theory - Motion

• Acceleration, speed, velocity, displacement, motion.
• Newton’s laws of motion.
• Equations of motion.
• Speed-time graphs

Theory - Moments

• Principle of moments.
• Centre of gravity.
• Moment of a force - couple

Theory - Forces

• Triangle of forces.
• Polygon of forces.
• Parallelogram of forces.
• Resultant of a system of forces
• Resolution of forces.

Theory - Friction

• Laws of friction.
• Limiting friction.
• Friction on horizontal and inclined planes.
• Angle of friction and the total reaction

Theory - Work and Power

• Work done by a force.
• Power.
• Work done by torque.
• Tractive effort.

Theory - Momentum

• Elastic collisions.
• Conservation of Momentum.
• Kinetic Energy.
• Potential Energy.
• Conservation of Energy

Theory - Machines

• Law of a machine.
• Mechanical advantage.
• Velocity ratio.
• Efficiency and limiting efficiency.
• Applications to simple machines

Theory - Stress and Strain

• Direct stress and strain.
• Hooke’s law.
• Modulus of elasticity

Theory - Circular motion

• Angular velocity and acceleration.
• Centripetal force.
• Centrifugal force

Theory - Shear Force and Bending Moments

•Define shear forces and bending moments
•Define uniformly distributed loads (UDL)
•Calculate shear force and bending moment values
•Plot shear force and bending moment diagrams

Practical Lab Experiments

Carry out a series of mechanical engineering lab experiments and produce relevant lab reports. Experiments will include:
• Triangle of Forces
• Polygon of Forces
• Principle of Moments
• Centre of Gravity
• Simple Machines
• Stress and Strain
• Hooke’s Law
• Simple Pendulum
• Motion on an inclined plane (Energy Method)
• Coefficient of friction (Horizontal Plane)
• Coefficient of friction (Inclined Plane)
• Pulley drives
• Simple and Compound Gear Trains.
• Modulus of Rigidity
• Young’s Modulus

Computer Applications

• Develop spreadsheets:-
• To perform calculations
• To produce charts to represent data
• For incorporation into laboratory reports

Assessment Breakdown

%

Continuous Assessment

15.00%

Practical

15.00%

End of Module Formal Examination

70.00%

Continuous Assessment

Assessment Type

Assessment Description

Outcome addressed

% of total

Assessment Date

Other

Each student will be obliged to complete a continuous assessment programme for which 15% will be awarded. This will involve in-class tests and other assigned tasks.

1,2,3,5

15.00

n/a

No Project

Practical

Assessment Type

Assessment Description

Outcome addressed

% of total

Assessment Date

Practical/Skills Evaluation

Complete lab based experiments and write up relevant technical reports.

1,3,4

15.00

Every Second Week

End of Module Formal Examination

Assessment Type

Assessment Description

Outcome addressed

% of total

Assessment Date

Formal Exam

A final written examination will assess the student’s attainment of the module learning outcomes

1,2,3,5

70.00

End-of-Semester

Continuous Assessment

Assessment Type

Assessment Description

Outcome addressed

% of total

Assessment Date

Other

- Two written block assessments.
- Short multiple choice written assessments.

15.00

n/a

No Project

Practical

Assessment Type

Assessment Description

Outcome addressed

% of total

Assessment Date

Practical/Skills Evaluation

Complete experiments and write up relevant reports.

15.00

n/a

End of Module Formal Examination

Assessment Type

Assessment Description

Outcome addressed

% of total

Assessment Date

Formal Exam

A final written examination will assess the student’s attainment of the learning outcomes of the module.

70.00

End-of-Semester

ITCarlow reserves the right to alter the nature and timings of assessment