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PC Liquid Cooling With Nitrogen

Computer Repair

PC Liquid Cooling With Nitrogen

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When a computer reaches the extreme of its performance,

Due to the applications executed in the same one that requires a high speed of processes,

The equipment undergoes a considerable increase of the interior temperature.

This is the reason it is necessary suitable refrigeration that prevents the failures and even the final destruction of the elements that make up the PC.   

As we all know, heat is a great enemy for the components of a computer,

Since by raising the temperature inside the cabinet, there is a risk that the elements will burn or become deformed,

And thus stop working forever.

In many cases, when users maximize the possibilities of their computers,

Modifying the behaviour of cards, memories and others to run powerful applications,

Such as the most advanced and sophisticated next-generation PC games, they demand too much from these components,

And as a result, they generate more heat than they can withstand by design. At this point, extreme cooling must also be used, using liquid Nitrogen.

Extreme cooling of computers with liquid Nitrogen

Those users who perform the most extreme Overclocking on their PC,

Usually also incorporate a liquid nitrogen cooling system, since it is the most powerful type of refrigeration that exists today,

And perhaps the only one capable of dissipating the enormous fired heat for the modified components.

Remember that Overclocking consists of modifying the clock frequencies and voltages of the computer components, especially of the microprocessors, to obtain a better performance of the equipment.

To implement Overclocking together with liquid nitrogen cooling,

It is necessary to have an important knowledge in this field, and to evaluate each of the aspects that make the operation of our PC, taking into account the isolation of the elements and the temperatures that must be reached,

In order to avoid possible inconveniences arising from using liquid nitrogen as a refrigerant.

It is important to analyze what the condensation times will be, as well as the use of cold since in the case of liquid Nitrogen they are usually shorter than in other cooling systems.

It should be noted that liquid Nitrogen is basically pure Nitrogen in a liquid state, which has a temperature equal to or less than -195.8 C and a density of 0.707 g / ml.,

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And among its characteristics, we will mention that it is colourless and odourless, and Very dangerous to manipulate, as we can see later in this post.

Nitrogen implementation in the PC

For computer lovers, especially those who usually practice PC overclocking and modding,

One of the most important requirements that their equipment must meet is to have adequate cooling that allows them to continue working with extreme performance.

For this, most users experienced in overclocking incorporate liquid nitrogen cooling.

In general, liquid Nitrogen is used to maintain the proper temperature of the microprocessor, since its use is only recommended for those components that achieve almost melting temperatures.

By incorporating liquid Nitrogen in the cooling of a computer, it is possible to reach -195.8 C to send it cold and keep at a suitable temperature the processor that has been “overclocked” to increase its performance and speed.

What is a Pot or evaporator in liquid nitrogen cooling?

To carry out a correct cooling of the microprocessor by liquid Nitrogen it is necessary to acquire an evaporator for NL2, a device that is popularly known as Pot.

In general, these containers that will contain Nitrogen are usually made of resistant materials combining aluminium, copper and nickel, to give it greater robustness.

Pot made of aluminium are usually cheaper and have a thermal conductivity of 237 W / (mK), although copper is more efficient because they allow a heat conductivity of 400 W / (mK).

This evaporator must be placed on the processor and properly secured to avoid vibrations and possible spills, and then inside it, the liquid Nitrogen will be turned over to achieve the desired temperatures.

PC care when refrigerated with liquid Nitrogen

Before cooling using liquid Nitrogen, it is essential to isolate different components of the PC properly,

Which can be seriously damaged by the gas, such as the socket area and the motherboard’s Mosfet.

The insulation must be done because the introduction of liquid Nitrogen into the Pot will produce a shock in the gas that will sharply decrease the temperature of the sector at -120 C and up to -190 C.

This immediate decrease in temperature causes a phenomenon called condensation,

Which causes the emanation of drops of water that can fall on the motherboard and produce a short circuit.

There are several techniques to isolate these components, although most users who practice these types of methods usually choose materials such as neoprene, armaflex, or Artist Eraser.

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Key tips for cooling a PC with liquid Nitrogen

When the liquid nitrogen dump is carried out inside the Pot,

It is also advisable to use extra fans inside the equipment in order to extend the time until condensation,

And have paper napkins to dry in the places that we notice that water has been deposited.

It is necessary to use a special thermometer that offers the possibility of measuring temperature ranges that are reached with liquid Nitrogen, with their respective probes that will be placed before the Nitrogen is poured into the Pot.

Ideally, place two probes, one at the base of the Pot and another in a place close to the motherboard socket, to constantly monitor the temperature reached inside our computer.

There are several procedures that are used to carry out a liquid nitrogen cooling of the microprocessor.

And each experienced user has their own technique, although the most important thing in this field is to perform a responsible job and taking all the necessary precautions to avoid permanent breakage of our equipment or the possible accidents that we may suffer.

Precautions in Liquid Nitrogen cooling

As we already mentioned, one of the ways to maintain the proper temperature in computers that operate under the Overclocking technique, in order to bring the performance of the equipment to the extreme, is the use of liquid Nitrogen for cooling.

But before starting to list the precautions we should take when we use liquid Nitrogen to cool a PC, the first question we have to ask ourselves is:

What is liquid Nitrogen? 

Nitrogen is a colourless, odourless and non-flammable cryogenic liquid, which turns into gas when it comes into contact with ambient temperature and pressure. Due to its composition, it can cause cold burns on the skin.

Nitrogen is very dangerous since it is an inert gas that displaces oxygen and can cause severe burns to the skin, it is advisable to handle it with great care, following the safety instructions that accompany the product when we acquire it.

Liquid Nitrogen that comes into contact with oxygen reacts violently with organic materials, such as oil and grease, so it is recommended to avoid contact of Nitrogen with incompatible materials.

Because the manipulation of liquid Nitrogen can end in some serious accident, not only for our computer but also for ourselves, it is advisable to take into account a series of precautions that will prevent us from being victims of major accidents.

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That is why we must always keep in mind that any small mistake or carelessness in the implementation of this type of cooling in the computer can result in the breakage of our equipment, and even in accidents where we are physically damaged.

Therefore, it is necessary to take precautions during the use of liquid Nitrogen.

We must also take into account that in order for liquid nitrogen cooling to be possible without problems,

First, test and analyze various factors related to our computer, evaluating if its components are suitable for this type of method, from the microprocessor, passing for the motherboard, and each of the elements that our PC includes.

In addition, we must observe various environmental conditions in which the equipment is located, such as humidity and room temperature.

How and where to work with Liquid Nitrogen when cooling a PC?

To avoid serious accidents, it is advisable to work the liquid Nitrogen in well-ventilated environments, use specially designed containers to contain the gas, which can withstand pressure and avoid possible physical damage.

It is convenient to use special protective gloves and safety glasses with side shields or full face shields.

Inhalation of the same should also be avoided, as it is a suffocating gas, which can even cause oxygen deficiency, causing death.

One of the most common effects that usually occur in those who handle liquid Nitrogen, beyond the relevant care,

It is usually the freezing of the skin in areas that have come into contact with the gas.

In that case, it is essential to return the ideal temperature to the affected area through warm water baths that do not exceed 40 and go to space where you can breathe pure air.

What to do in case of spillage or loss of Liquid Nitrogen?

In the event that a nitrogen spill occurs or there is a loss in the container that contains it,

It is necessary to evacuate the room in which we are working, and perform adequate ventilation of the environment to allow oxygen to enter,

And we should not Enter the room until there is not enough oxygen to breathe without being affected by Nitrogen.

Due to its composition, liquid Nitrogen is able to freeze everything around it, so it is widely used to maintain the temperature of microprocessors in extreme performance computers.

In addition, as regards the visual aspect, this type of refrigeration is usually very striking, due to the form of transport and storage of Nitrogen,

And also because of the gas that emanates when the temperature of the container with Nitrogen increases when it comes into contact with a hot body.

Due to these characteristics, liquid cooling by means of liquid Nitrogen is usually the most chosen method by those experienced users who like to assemble equipment to present at fairs and exhibitions,

Since due to its danger it is not recommended for home use.

PC Liquid Cooling With Nitrogen

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