Question
Download Solution PDFThe Bell-Coleman cycle is also known as:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
- Bell Coleman cycle is also known as Reversed Brayton cycle or Reversed Joule cycle
- The working fluid of the Bell Coleman refrigeration cycle is Air.
- This system of refrigeration is used for Air Craft refrigeration and it has light weight.
where
- Process 1 2: isentropic compression
- Process 2 3: constant pressure heat rejection
- Process 3 4: isentropic expansion
- Process 4 1: constant pressure heat absorption
Air Refrigeration System and BellColeman Cycle or Reversed Brayton Cycle:
- In the air refrigeration system the air is taken into the compressor from the atmosphere and compressed.
- The hot compressed air is cooled in a heat exchanger up to the atmospheric temperature (in ideal conditions).
- The cooled air is then expanded in an expander. The temperature of the air coming out from the expander is below the atmospheric temperature due to isentropic expansion.
- The lowtemperature air coming out from the expander enters into the evaporator and absorbs the heat. The cycle is repeated.
Last updated on Jun 7, 2025
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