Plasma Torch
An electromechanical device that generates a high-temperature thermal plasma jet by passing inert or reactive gas through an electric arc discharge.
Governing formula
Thermal Equilibrium T_gas ≈ T_electron ~ 5,000–15,000 K
SI unit
kW to MW (Electrical Power Input)
In depth
Operates at atmospheric pressure under thermal equilibrium (T_gas ≈ T_e ~ 10,000 K). Intense thermal energy density enables rapid metal cutting, plasma spraying, and high-temperature hazardous waste gasification.
Examples in the real world
Plasma arc cutting torches slicing through thick steel plates, and plasma waste gasification reactors.