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Self-Paced Learning

Refrigeration Cycle

Air Conditioning Clinics (Fundamentals Series)

Presentation of the basic principles of the vapor-compression refrigeration cycle.

Topics include:

Principles of heat transfer
Sensible heat
Latent heat of vaporization
Refrigerants
Mechanical refrigeration cycle components (compressor, condenser, evaporator, expansion device)
Pressure–enthalpy (P-h) chart (superheat, subcooling, refrigeration effect, heat of compression)

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Heating and Cooling Load Estimation

Presentation of heating and cooling load estimating procedures.
Psychrometry

Discussion of the properties of air and use of the psychrometry chart.
Refrigeration Compressors

Introduction of the common refrigeration compressor types used in air-conditioning applications, including reciprocating, scroll, helical-rotary (screw), and centrifugal.
Refrigeration System Components

Discussion of the components used a invapor-compression refrigeration system.
Fundamentals of HVAC Acoustics

Discussion of the fundamental concepts of HVAC acoustics as it applies to buildings and HVAC systems.
Refrigerant Piping

Review of refrigerant piping considerations, design guidelines, and sizing recommendations.

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