Mechanism to eliminate gunshots of silencer

The silencer reduces the pressure and temperature of the hot air flow generated in the barrel, enabling weapons to fire at noise levels lower than normal.

The silencer is a device that is attached or is an integrated part of the gun barrel. It has the effect of reducing the noise and barrel fire when firing weapons. The silencer is in the form of a metal tube with hollow chambers, capable of reducing the speed and pressure of propellant gas, according to How Stuff Works.

Silencer material is usually steel, aluminum or titanium. The main shape of the silencer is a long metal tube. Some products look like beer cans or are directly integrated into the barrel like Russia's Vintorez VSS model.

The sound of the gun when firing is formed from 3 different sounds, including the impact of metal parts, the explosive sound of the gas expand suddenly when leaving the barrel and the hiss of the bullet at Super speed.

Compare between normal barrel and silencer.(Photo: Silencerco).

Under normal conditions, the gunpowder burned will produce air flow with very high temperatures and pressures, which will help push the warhead out of the barrel at high speed, while creating a loud explosion when the air is released. Sudden bore and expansion.

The silencer is responsible for suppressing the sudden expansion of the gas. The hollow chambers make the air expand slowly, as well as being lowered in temperature before escaping to the outside, helping to eliminate part of the gun's head boom.

Empty chambers are divided into partitions. The most basic silencer has only 4 hollow chambers, while complex models can hold up to 15 compartments to maximize the flow of the launcher.

In fact, none of the silencer can completely eliminate the muzzle of the gun. At normal levels, this explosion can reach over 160 decibels. When installing silencer, most guns have noise levels of 140-145 decibels, equivalent to the sound of aircraft engines at a distance of 30m. The best recorded silencer can reduce the noise level to 117 decibels, about the same as a running saw.

The main advantage of silencer is to protect the hearing , to help users not to constantly wear ear protection. It also has the ability to reduce the recoil of the gun and eliminate the barrel head flash, as well as make gunfire mingle with the surrounding environment. These are factors that help the gunner to hide better than the opponent.

The downside of this device is the extra volume and bulkyness of the weapon . To reduce noise completely, the gunner must use a bullet with subsonic speed, which directly reduces the effective range, requiring the gunman to calibrate the gun before use.

Mechanism of operation of silencer