Unit 7 - Compression Cycle I

Air Conditioning Fundamentals: 7- Compression Cycle I

The principles of cooling, the concept of vapour to liquid conversion, and the air conditioning compression cycle

Learning Outcome:

Upon completion of this module you will be able to:

    1. Explain why a liquid boils and changes to saturated vapor and conversely, why saturated vapor changes to liquid.
    2. Describe the function of a receiver.
    3. Describe the function of a metering device.
    4. Explain what is meant by a ton of cooling.
Topic 1: Boiling and Condensation
  • Topic Introduction and Objectives
  • How boiling is Initiated
  • Boiling Temperature
  • Check-Point Question: Boiling and Condensation
  • Topic Summary
Topic 2: Vapor to Liquid Conversion
  • Topic Introduction and Objectives
  • From Vapor to Liquid
  • Condensing Temperature and Condensing Pressure
  • Reducing High-Pressure Liquid to Low-Pressure Liquid
  • Vapor Compression Cycle
  • A Ton of Cooling
  • 40° F Saturated Vapor Superheated to 60° F
  • Loss Due to Suction Superheating
  • Condenser Heat Rejection
  • Check-Point Question: Vapor to Liquid Conversion
  • Check-Point Question: Vapor Compression
  • Topic Summary

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Unit 7 - Compression Cycle I
  • Item #: RSES-AC-07
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