The NOS System: Operating Principles and Applications in Increasing Engine Power

The term NOS, in the automotive field, is an acronym that stands for Nitrous Oxide System. This system is used to temporarily increase the power of internal combustion engines. In this article, we will take a detailed look at what NOS is and how it works.

What is NOS?

NOS is a system that increases engine power by injecting nitrogen oxide (N₂O) into the intake air stream. Nitrogen oxide is a gas that, when broken down, releases extra oxygen into the combustion chamber. This extra oxygen allows the engine to burn more fuel and do so more efficiently, thus producing more power.

How does NOS work?

The NOS system works through the following steps:

1. Storage : The nitrous oxide is stored in a pressure tank as a liquid. When the system is activated, the liquid is released from the tank.

2. Vaporization : Once out of the tank, the liquid passes through a series of tubes and valves and vaporizes, turning into gas.

3. Injection : The gas is then injected into the engine's intake manifold. Here, it mixes with the air entering the engine.

4. Decomposition and Combustion : When gas enters the combustion chamber and is subjected to high temperatures, it decomposes, releasing oxygen. This extra oxygen allows more fuel to be burned, greatly increasing the engine's power.

Considerations on the use of NOS

Using NOS leads to a significant increase in engine power, but also requires important considerations:

• Duration : The effect of nitric oxide is temporary and lasts until the reserve in the tank is exhausted.
• Reliability : Improper use of the NOS can cause engine damage due to excessive pressure and temperature increase in the combustion chamber.
• Legality : Installing a NOS system on a vehicle may be subject to legal restrictions, depending on the regulations in the country or region of use.

In conclusion, NOS is a powerful tool for temporarily increasing the power of internal combustion engines, especially used in sports and car racing. Its implementation must be done carefully to avoid engine damage and ensure that it complies with local laws.