Introduction
The chapter provides a comprehensive overview of refrigeration and air conditioning, detailing definitions, historical evolution, and various methods used to achieve low temperatures. It also explores different applications, classifications of refrigerants, and the criteria for selecting effective refrigerants, setting the stage for further understanding of system design and operation.
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Sections
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What we have learnt
- Refrigeration involves removing heat to maintain lower temperatures.
- Air conditioning is focused on controlling air conditions for comfort.
- The chapter outlines the evolution of refrigeration from natural methods to advanced technologies.
Key Concepts
- -- Refrigeration
- The process of removing heat from a substance to lower its temperature below ambient levels.
- -- Air Conditioning
- The process of treating air to control its temperature, humidity, cleanliness, and distribution.
- -- Refrigerants
- Substances used in a heat pump or refrigeration cycle that absorb and release heat.
- -- Vapor Compression Refrigeration Cycle
- A common refrigeration technique utilizing various components like compressors and evaporators.
Additional Learning Materials
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