Refrigeration Fundamentals

The Refrigeration Fundamentals Course includes 4 modules: Gas Properties & Laws, Pressure & Pressure Measurement, Thermodynamics and The Vapour Compression Cycle.

The content of this course is designed by professional engineers with more than 30 years experience in the industry.

RF01 - Gas Properties & Laws
Areas covered in this module:
Gas Property Relationships (Volume/Pressure/Temperature)
Ideal Gas Laws
Boyle’s Law
Charles’ Law
Dalton's Law
Summary
Quiz
Topic Aim
To explain volumetric relationships in gases and gas laws.
Topic Objectives
By the end of this topic you will be able to:
Explain the interrelationship between the volume, pressure and temperature of gases
Explain Boyles's law, Charles' law and the general law of gases
Explain and apply Dalton's Law
Pre-requisite Study
None


RF02- Pressure & Pressure Measurement
Areas covered in this module:
Pressure
Measuring Pressure
Sumary
Quiz
Topic Aim
To explain the concept of pressure and how it is calculated. It also describes the operation of pressure gauges.
Topic Objectives
By the end of this topic you will be able to:
Define and calculate pressure
Describe how manometers, bourdon tubes, and transducers measure pressure
Pre-requisite Study
None

RF03- Thermodynamics
Areas covered in this module:
Laws
Heat, Energy & Temperature
Specific Heat & Specific Quantity
Methods of Heat Transfer
Measuring Temperature
Summary
Quiz
Topic Aim
To explain the first and second law of thermodynamics, the relationship between heat energy and temperature, specific heat & heat quantity, methods of heat transfer and temperature scales.
Topic Objectives
By the end of this topic you will be able to:
Explain the First and Second Laws of Thermodynamics
Define the terms Sensible Heat, Latent Heat and Superheat
Define and Calculate Enthalpy
Define Specific Heat and Calculate the heat quantity of a substance required to bring about a specified temperature change
Explain the heat transfer processes of Conduction, Convection and Radiation and how they differ
Explain the units for measuring temperature and the concept of Absolute Temperature
Pre-requisite Study None

RF04- Vapour Compression Cycle
Areas covered in this module:
Compression
Condensing
Expansion
Evaporation
Heat Transfer
Latent Heat
Pressure/Enthalpy Diagram
Refrigerant Flow
Summary
Quiz
Topic Aim
To explain the structure, purpose and operation of the Vapour Compression Cycle using an air-cooled condenser and direct expansion (DX) evaporator.
Topic Objectives
By the end of this topic you will be able to:
Describe the purpose and structure of the Vapour Compression Cycle
State the four stages of the Vapour Compression Cycle and describe their structure and function.
Explain the relationship between pressure and temperature, and its effect on the heat transfer of a refrigerant.
Explain how heat is transferred during the evaporation and condensation stages of the Vapour Compression Cycle.
Pre-requisite Study
None