Experiment: Vapor Compression Refrigeration

Thread starter walterng
Start date Jun 16, 2012
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Compression Experiment Refrigeration Vapor

In summary, vapor compression refrigeration is a popular method of cooling that uses a refrigerant to absorb heat and release it to the surrounding environment. It works by compressing the refrigerant, causing it to evaporate and absorb heat, and then condensing it back into a liquid to release the heat. The main components of this system are the compressor, condenser, expansion valve, and evaporator. It is highly efficient, versatile, and safe for use in various applications, including household and industrial cooling, transportation, and food processing.

Jun 16, 2012

walterng

i have calculated the coefficient of performance COP for both COP ideal and COP from p-h diagram. But the COP ideal i get is lower than the COP i calculated from p-h diagram. is it possible? please help :)

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Jun 18, 2012

Mech_Engineer

Science Advisor

Gold Member

We cannot help you without more information, you need to at least walk us through how you calculated the two values and what the results were.

Related to Experiment: Vapor Compression Refrigeration

1. What is vapor compression refrigeration?

Vapor compression refrigeration is a method of cooling that uses a refrigerant to absorb heat from a space or substance and then expel that heat to the surrounding environment. This is the most commonly used method of refrigeration and is used in many household and industrial cooling systems.

2. How does vapor compression refrigeration work?

In a vapor compression refrigeration system, a compressor pressurizes a refrigerant and circulates it through a closed loop system. As the refrigerant passes through the evaporator, it absorbs heat from the space or substance being cooled, causing it to evaporate into a gas. The now cool gas is then compressed, which causes it to condense into a liquid and release the absorbed heat. The liquid then passes through an expansion valve, where it is allowed to expand and cool before entering the evaporator again.

3. What are the components of a vapor compression refrigeration system?

The main components of a vapor compression refrigeration system are the compressor, condenser, expansion valve, and evaporator. The compressor pressurizes the refrigerant, the condenser releases heat from the refrigerant, the expansion valve regulates the flow of refrigerant, and the evaporator absorbs heat from the space or substance being cooled.

4. What are the advantages of vapor compression refrigeration?

Vapor compression refrigeration is a highly efficient method of cooling, making it cost-effective and energy-efficient. It is also versatile and can be used for various cooling purposes, from refrigerators to air conditioning units. Additionally, the refrigerants used in vapor compression systems are non-toxic and non-flammable, making them safe for household and industrial use.

5. What are some common applications of vapor compression refrigeration?

Vapor compression refrigeration is used in a wide range of applications, including refrigerators, freezers, air conditioning units, and heat pumps. It is also used in industrial settings, such as food processing, cold storage, and chemical production. Additionally, vapor compression refrigeration is used in transportation, such as refrigerated trucks and containers for transporting perishable goods.