Compression Cycle II


Description:

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