Explain vapor compressor mechanical system with diagram?

A vapor compressor mechanical system is a type of refrigeration system that uses a compressor to circulate refrigerant vapor throughout the system. The compressor is responsible for compressing the low-pressure refrigerant vapor into a high-pressure, high-temperature vapor, which is then condensed into a liquid state before being expanded back into a low-pressure vapor to absorb heat from the surrounding environment.

Diagram of a vapor compressor mechanical system:

1. Compressor: The compressor is the heart of the system and is responsible for compressing the refrigerant vapor. It takes in low-pressure vapor from the evaporator and compresses it into a high-pressure, high-temperature vapor.

2. Condenser: The high-pressure vapor from the compressor is then sent to the condenser, where it is cooled and condensed into a liquid state. Heat is released from the refrigerant as it condenses, which is dissipated into the surrounding environment.

3. Expansion valve: The high-pressure liquid refrigerant then passes through an expansion valve, which reduces its pressure and temperature, causing it to evaporate into a low-pressure vapor.

4. Evaporator: The low-pressure vapor then enters the evaporator, where it absorbs heat from the surrounding environment, causing it to evaporate and return to the compressor to start the cycle again.

Overall, the vapor compressor mechanical system works by continuously circulating refrigerant vapor through the system, absorbing heat from the environment in the evaporator, releasing heat in the condenser, and compressing the vapor in the compressor to maintain a continuous cooling effect.