Refrigeration Theory

SKU: RVI-11519Duration: 20 Minutes

Pay-per-view (PPV) format perfect for individual users.

Get immediate access to this interactive eLearning course online. Must be used within 30 days, expires 48 hours after launch.

Language:  English

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Course Details

Specs

Training Time: 20 minutes

Compatibility: Desktop, Tablet, Phone

Based on: Industry Standards and Best Practices

Languages: English

Did you know the most common method of refrigeration is the vapor-compression refrigeration cycle? Refrigeration systems are used in many different applications to transfer heat from fluid in one area to fluid in another area, where the term "fluid" can refer to a liquid or gas. This interactive online course covers the three laws of thermodynamics, the operation of the four components of a basic refrigeration system, thermal energy transfer, and the maintenance procedures to maintain equipment efficiency.

Learning Objectives

  • Define the three laws of thermodynamics
  • Explain the operation of the four components of a basic refrigeration system
  • Describe thermal energy transfer
  • List the maintenance procedures to maintain equipment efficiency

Key Questions

The following key questions are answered in this module:

What is the definition of heat?
The term "heat" has several different meanings. Heat is a measure of the warmth or coldness of a material or object, usually about a standard. Heat is also a form of energy, which is why it is also referred to as "heat energy" or "thermal energy."

What is thermal energy transfer?
Heat will always transfer from an area of higher temperature to one of lower temperature. This is called thermal energy transfer.

What are the main components of a refrigeration system?
Main components of a refrigeration system include the compressor, condenser, expansion device or valve, and the evaporator.

What happens when refrigerant pressure increases?
As refrigerant pressure increases the temperature at which the refrigerant condenses increases.

What are some common safety characteristics refrigerant should have?
Besides having the desired thermodynamic properties, the ideal refrigerant is stable, nontoxic, noncorrosive, nonflammable, non-explosive, and non-reactive.

Sample Video Transcript

Below is a transcript of the video sample provided for this module:

The term "heat" has several different meanings. Heat is a measure of the warmth or coldness of a material or object, usually about a standard. Heat is also a form of energy, which is why it is also referred to as “heat energy” or “thermal energy.” Heat energy must be added to or removed from a fluid to change the temperature of the air in a building, to boil water to create steam, or to freeze water to produce solid ice.
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