How Does a Refrigerator Work? What is The Refrigerator? Parts and Function(New)
“What is a refrigerator ?, How does a refrigerator work (thermodynamics)? parts of the refrigerator and function. , And what are the benefits of the refrigerator? You will find the answer to all these questions in this post. So let’s start without any delay.”
1. What is the Refrigerator?
A refrigerator(colloquially fridge) consists of a thermally insulated compartment and a heat pump (mechanical, electronic, or chemical) that transfers heat from inside the fridge to its external environment so that the temperature inside the fridge cools to room temperature.
The fridge is a device that can keep food fresh for some time. With its help, you can store a lot of food (packet food, soft drinks, and etc.) for a long time.
2. How does a refrigerator work (Thermodynamics)?
According to the second law of thermodynamics, heat always flows from hot to cold, and never in another way. Input from a refrigerator flows from work to cold to hot, which cools the space inside the refrigerator. In the refrigeration cycle, there are five basic components:
- fluid refrigeration;
- A compressor, which controls the flow of refrigerant;
- Condenser coil (outside fridge);
- Evaporator coil (on the inside of the fridge);
- And something called extension equipment. Here’s how they interact to cool your food.
- The compressor constricts the refrigerant vapor, raising its pressure, and pushes it into the coils on the outside of the refrigerator.
- When the hot gas in the coils meets the cooler air temperature of the kitchen, it becomes a liquid.
- Now in liquid form at high pressure, the refrigerant cools down as it flows into the coils inside the freezer and the fridge.
- The refrigerant absorbs the heat inside the fridge, cooling down the air.
- Last, the refrigerant evaporates to a gas, then flows back to the compressor, where the cycle starts all over.
3. Parts of the Refrigerator and its function:-
A refrigerator has many different parts and different functions. Knowing them in detail will help you choose a good refrigerator with low maintenance and proactive safety measures.
The parts can be divided into two different sections
♦ The Inner part
♦ And the Outer part
3.1 The Inner part of Refrigerator:-
A compressor is the main part of a refrigerator. Without this part, your fridge is nothing but a cupboard. Just as it is impossible for a person to live without a heart, just like a refrigerator without a compressor. It performs cooling work. The most power-consuming and it is located at the back of the refrigerator and is driven by an electric motor.
♣ Defrost system:-
Defrosting the refrigerator helps remove all the excess ice formed in the freezer.
The condenser is a copper tubing that is located behind the fridge. The heat produced in a refrigerant needs to be absorbed by something. Which this condenser does. There are fans above the condenser unit to draw air over the condenser coils.
Refrigerant is a cooling liquid (solution) that circulates inside the refrigerator and expels the cooling part. The compressor runs this refrigerant with the help of an electric motor.
To control the temperature inside the refrigerator, there is a thermostat, which is directly connected to the evaporator. There is a round latch inside the refrigerator, using which you can control the thermostat setting.
When the desired temperature is reached, it automatically stops the power supply to the compressor. When the temperature drops to a certain level, it turns on again, sending the power supply to the compressor.
The diffuser in a refrigerator helps regulate the flow of cold air from the freezer compartment to the refrigerator compartment. It has a temperature sensor, which you can control with the refrigerator thermostat.
The evaporator is a heat exchanger made of aluminum or copper tubing. Which absorbs heat from food to cool down in refrigerant evaporators. And the cycle keeps on repeating.
3.2 The Outer part of Refrigerator:-
Some foods are kept at cool temperatures, they are kept in the freezer. The temperature of a freezer compartment is below zero degrees. If you want to make ice cream, frozen foods, or drinks, then the freezer provides this facility to you. You can also make ice.
♠ Drain Pan
It is located in the machine compartment, next to the compressor. The defrosting process melts the frozen ice, and the water that drips during the process is collected in a tray and then sent to a drain pan.
♠ Light Switch:-
The light switch turns the refrigerator light on and off. As soon as the refrigerator door opens, it supplies power to the light, and it turns on, and when the door is closed, the power supply is interrupted, and it turns off.
♠ Door Gasket:-
The fridge door has a black colored flexible seal. Which attaches to the outer edge of the refrigerator door. It forms an airtight seal around the door when closed. The door gasket prevents hot, cold air from leaking into the refrigerator compartment.
♠ The Shelves:-
Refrigerators contain shelves in which you keep your food items. They are very strong.
♠ Fridge Door:-
The refrigerator door has several small subdivisions to keep bottles, eggs, butter, and other items. This makes room for more stuff in the fridge. The door covers the front area of the refrigerator cabinet.
What are the Benefits of the refrigerator?
Prior to the development of refrigerators, preservation of food for a long period of time led to food decay. But now this task makes the refrigerator easy and it has become possible to keep your food for a long time.
Nowadays, refrigerators are commonly used in every household, and it has become a part of a normal life.
Refrigerators are used to cool your food and water. It works at low temperatures and provides a collision that helps keep your food fresh and cool.
It is mandatory to keep your food in a cool place which is a Refrigerator.
Some benefits (Function) of the refrigerator are as follows:-
The refrigerator normally has a freezer portion. A freezer stores foods at low temperatures that help protect your food from decay.
Fresh food such as meats, eggs, dairy products, and green vegetables can be preserved to prevent spoilage. This allows people to store food for longer.
Many new functions have come in the refrigerator which makes the user’s work very easy. Earlier foods were only kept in the fridge, but now Samsung has launched(Curd Maestro) a yogurt-making fridge. Earlier curd was kept in the refrigerator, now the curd will be made in the refrigerator. A smart function fridge is also available in the market. Which you can control from your mobile.
There are many different types of refrigerators as well as a variety of models. You can choose one according to your need and available space.
You must have understood what a refrigerator is? The refrigerator has parts and its function. We hope you have liked this article. If you have any questions, then you will be given an answer written in the comment section.
Thank you for Reading.