Unit 8 - Compression Cycle II
| Air Conditioning Fundamentals: 8-Compression Cycle II
The concept of volumetric efficiency and the factors that affect it, transformation of energy, and mechanical energy
Learning Outcome:
Upon completion of this module you will be able to:
1. Define volumetric efficiency. 2. Name the factors affecting volumetric efficiency. 3. Explain the term compression ratio, and calculate the compression ratio of a compressor. 4. Explain the term “adiabatic compression.” 5. Explain transformation of energy and give an example. 6. Define mechanical efficiency.
Topic 1: Factors Affecting Volumetric Efficiency
- Topic Introduction and Objectives
- Volumetric Efficiency of the Compressor
- Factors Affecting Volumetric Efficiency
- Clearance Volume of the Cylinder
- Clearance Volume of the Cylinder: Piston Head Clearance
- Clearance Volume of the Cylinder: Spaces in the Cylinder Head
- Compression Ratio
- Calculating Compression Ratio: An Example
- Discharge Valve Closing
- Suction Valve Effect
- Superheating in the Cylinders
- Check-Point Question: Compression Ratio
- Check-Point Questions: Volumetric Efficiency
- Topic Summary
Topic 2: Energy
- Topic Introduction and Objectives
- Adiabatic Compression
- Transformation of Energy
- Check-Point Question: Adiabatic Compression
- Topic Summary
Topic 3: Mechanical Efficiency
- Topic Introduction and Objectives
- Drive Efficiency
- Mechanical Efficiency of the Motor
- Check-Point Question: Mechanical Efficiency
- Topic Summary
Each course purchase allows 30 days enrollment to complete. Must obtain a 75% or higher to obtain CEU recognition. User name and access will be sent to your email account within 24 hours of purchase
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