Radiator | Types | Working | Construction

Hello friends, welcome to all of you in another new post, today we will know what is a radiator in a motor vehicle. and how it works. So let’s know about the radiator



what is a radiator

What is a radiator As you all would know that the cooling system is a very important part of the engine? And the radiator is an important part of this cooling system. You must have seen that there is a mesh box just in front of the engine. That is the radiator. The meaning of radiator is. The heat exchanger is the heat exchanger of the radiator. The radiator is used to cool the engine. Water or coolant is used in this

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Radiators working

There is water in the radiators. Water is drawn into the radiators through a pump. The lower tank holds cold water. And that water goes into the water jackets of the engine. And when the water gets hot. So the same water comes back to the upper tank of the radiators. And then goes to the lower tank while cooling in the radiator core. It acts as a bicycle. The one who goes on



radiators design

Thin tubes are often used in radiators. Which are made of copper. Fins are made around these drains. In this way, the surface to be cooled becomes more. Due to this, the water gets cold quickly. The radiator has a filler cap at the top, a radiator cap in the middle, and an upper and lower tank above it. Under the lower tank, there is provision for the drain plug and the hose pipe connecting it to the engine.


 Parts of the radiators

There are mainly three parts in the radiator –

Upper Tank – As the name suggests. This is the topmost part of the radiator. In this, water or coolant is used in the present time. For which there is an arrangement of the cap in it. From where water or coolant is filled. A pipe is attached to the upper tank. Which is done by a reservoir tank. Its work is. In the case of radiator overflow, this pipe is also known as a leak-off pipe, which allows excess coolant or water to drain into the reservoir. The upper tank of the radiator is connected to the water outlet of the engine by a hose pipe. The hot water from the engine reaches the upper tank of the radiator through the hose pipe.


Lower Tank – This is the lower part of the radiators. it is also connected to the water pump through the hose pipe. from this part, the cooling water is supplied to the water jackets of the engine through a water pump. And in the lower part of this part, there is a drain plug in the tank. Through which water or coolant is taken out.


Radiator core – It is usually placed in the middle of the upper tank and the lower tank. There are innumerable thin tubes in the radiator’s core. And fins are fixed on the upper part of these tubes. Due to this their cooling surface area increases. Air is blown through this core tube. Due to this the water flowing inside them gets cooled.



Types of radiators 

The radiator core is the main part, on the basis of which there are two types of radiators –

Tubular radiators core –

In this type of radiator core, many thin tubes are placed between the upper and lower tank, and fins are made around these tubes. If this tube gets blocked then water stops flowing through them.


Honey Comb Radiator Core –

In this type of radiator’s core, air flows across the inside of the tubes. And the water flows out of it. This core is made up of many air cells. And to see it is like a beehive. That’s why it is called Honey Comb. And it is also called a cellular-type core. These are usually made of copper and brass. Because these metals have the properties of cooling quickly. All its joints are made by soldering. This is so that they can be easily removed at the time of repair.

And on the basis of water flow, there are two types of radiators –

downflow radiators

cross flow radiators

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