How does Nitrous oxide (NOS) Works In An Engine ?

The purpose of a Nitrous oxide system is to increase the power output of an engine. It does this by increasing the amount of fuel that can be burned, by increasing the oxygen supply.This is actually one of the ways it helps to increase horsepower.The term NOS is derived from the initials of the company name Nitrous Oxide Systems, one of the pioneering companies in the development of nitrous oxide injection systems for automotive performance use.

The pressurized N2O in liquid form are holds in the tank . These tanks are often located in the rear of the vehicle, a feed line is used to supply liquid Nitrous to the Nitrous plate for injection.The Nitrous plate is installed between the throttle body and the intake manifold and is where both additional fuel (in wet Nitrous systems) and Nitrous are injected. There are solenoids for both N2O and fuel, which inject when the engine is operating at wide open throttle. Note that this is only one example of the various methods of injecting Nitrous.The Fuel Rail Adapter are mounted between the fuel line and the fuel rail, allowing for the Nitrous plate to tap into the fuel line.

When you heat Nitrous oxide to about 570 degrees F (~300 C), it splits into oxygen and nitrogen nothing but it changes state to a gas due to the lack of pressure in the surrounding air. When it changes to a gas, it drops in temperature to -88.5 degrees Celsius.. So the injection of Nitrous oxide into an engine means that more oxygen is available during combustion. Because of more Oxygen the oxygen atom is isolated, it is freed up to be used in combustion. It combines with the additional fuel to create extra heat and pressure, increasing the amount of power the engine generates.Now the same engine to produce more power.

Nitrous oxide is one of the simplest ways to provide a significant horsepower boost to any gasoline engine.Nitrous oxide has another effect that improves performance even more. When it vaporizes, nitrous oxide provides a significant cooling effect on the intake air. When you reduce the intake air temperature, you increase the air's density, and this provides even more oxygen inside the cylinder.

Major Problem of Nitrous Oxide N2O:-

* One of the major problems of using nitrous oxide in a reciprocating engine is that it can produce enough power to damage or destroy the engine. Very large power increases are possible, and if the mechanical structure of the engine is not properly reinforced, the engine may be severely damaged or destroyed during this kind of operation.

* The another problem with nitrous oxide is that it is fairly bulky, and the engine needs a lot of it. Like any gas, it takes up a fair amount of space even when compressed into a liquid. A 5-liter engine running at 4,000 rotations per minute (rpm) consumes about 10,000 liters of air every minute (compared to about 0.2 liters of gasoline), so it would take a tremendous amount of nitrous oxide to run a car continuously. Therefore, a car normally carries only a few minutes of Nitrous oxide, and the driver uses it very selectively by pushing a button.

* Since Nitrous allows a much denser charge into the cylinder it dramatically increases cylinder pressures. The increased pressure and temperature can cause problems such as melting the piston or valves. It may also crack or warp the piston or head and cause preignition due to uneven heating.

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