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Plasma-powered cannon : ウィキペディア英語版 | Plasma-powered cannon
A plasma cannon (also called an electrothermal accelerator) is an experimental projectile weapon, which accelerates a projectile by means of a plasma discharge between electrodes at the rear of the barrel, generating a rapid increase in pressure. It functions similarly to other type of firearm, except that it uses a plasma discharge instead of a chemical propellant (e.g. black powder or nitrocellulose). ==Design==
To generate the energy required to make a plasma discharge, a high current, high voltage source and a large capacitor bank are used. Both are attached in series to the electrode system in the cannon's barrel. The capacitor is loaded with as high a voltage as possible. However, a militarily useful energy is achieved with as little as several kilojoules. The capacitor is then discharged. The gap between the electrodes ionizes, turning the non-flammable propellant medium into a superheated conductive plasma. Associated volumetric expansion propels the projectile from the barrel at high velocity.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Plasma-powered cannon」の詳細全文を読む
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