How Refrigerators Works Short? Working Principal of Refrigerators Explained with 3D Animation

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Transcript

00:00Have you ever wondered how your fridge keeps your food fresh and cold?

00:03Today, I will explain you workings of a refrigerator in easy way.

00:07The heart of the fridge is the refrigeration cycle.

00:11Inside the fridge, there's a closed cycle compression process that involves five

00:16main components, a compressor, condenser, expansion device, evaporator, and refrigerant.

00:25It's a fluid that circulates the system and is used because of its low boiling point.

00:31It repeatedly turns from a vapor to a liquid and back again, moving heat from the food

00:37to the external environment. The cycle begins with the refrigerant entering the compressor

00:43as a low pressure, low temperature vapor. The compressor pressurizes the refrigerant

00:49and it exits as a high pressure, high temperature vapor.

00:53Next, the refrigerant moves through the condenser coil, typically made of copper,

00:58where it condenses into a liquid and releases heat to the environment.

01:03Aluminum fins increase the contact area of the outside air and increase the heat transfer.

01:09From there, the refrigerant flows through a filter dryer to remove any contaminants and moisture.

01:15It then enters the expansion device, which is often a thin capillary tube.

01:20As the refrigerant flows through the capillary tube, its pressure drops significantly and it

01:26enters the evaporator section as a low pressure, low temperature liquid vapor mixture.

01:32The evaporator coil is located inside the refrigerator and the heat from the air inside

01:39is absorbed into the refrigerant. This cools the air inside the fridge.

01:44During this process, the refrigerant is boiled and evaporates,

01:48exiting the evaporator as a low pressure, low temperature vapor.

01:52It then returns to the compressor and the cycle starts again.

01:56Next, let's take a look at the electrical system that powers the refrigerator.

02:00The power outlet supplies single phase AC power to the fridge.

02:05The live wire connects to the door switch,

02:07turning the fridge light on when the door is open and off when it's closed.

02:12The thermostat is also connected to the live wire and controls the temperature inside the

02:16refrigerator. If the temperature goes above or below a certain value,

02:21the compressor is switched on or off via a relay.

02:24Hope you understand it. Like, comment, share, and subscribe.

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