What is the energy cycle for a fridge?
Answers
Refrigerators are used to create a cold environment to keep food or other products viable and safe. Sounds easy enough; pump some cold air into a box and you are good to go. But that is not really how it works. The refrigeration cycle is actually about removing heat from the environment rather than introducing cold air into it. In the refrigeration cycle, refrigerant is evaporated and liquefied as it flows through tubes as a means to transfer heat. Here’s how it works:
Cold liquid refrigerant flows into the evaporator coils, which are inside the refrigerator. An evaporator fan draws air from the refrigerator and blows it over the evaporator coils. The liquid refrigerant absorbs heat from the air and the air blows back into the refrigerator at a lower temperature, cooling the refrigerator. The liquid refrigerant starts to vaporize as it heats up and moves to the compressor.
The compressor compresses the refrigerant, which raises the temperature of the gas. The gas is then pumped through the condenser coils.
In the condenser, a fan blows across the coils cooling the gas and releasing the heat out of the refrigerator to the outside. As the heat is released, the refrigerant turns back into a liquid.
The liquid then flows to an expansion device that regulates the flow of the refrigerant. It reduces pressure which turns some of it to gas. This release of extra heat makes the liquid even colder as it flows into the evaporator. And here the cycle starts again, absorbing heat from inside the refrigerator.
Explanation:
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Answer:
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