Vacuum Breakdown

Vacuum Breakdown

Vacuum Breakdown: In the Townsend type of discharge in a gas described earlier, electrons get multiplied due to various ionization processes and an electron avalanche is formed. In a high…

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Vacuum Insulation

Vacuum Insulation: The idea of using Vacuum Insulation purposes is very old. According to the Townsend theory, the growth of current in a gap depends on the drift of the…

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Townsend Current Growth Equation

Townsend Current Growth Equation: Referring to Fig. 2.1 shows the Townsend Current Growth Equation. let us assume that n0 electrons are emitted from the cathode. When one electron collides with a neutral…

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Ionization Processes

Ionization Processes

Ionization Processes: A gas in its normal state is almost a perfect insulator. However, when a high voltage is applied between the two electrodes immersed in a gaseous medium, the…

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Nuclear Power Plant Articles

Nuclear Power Plant Articles: Basics of Nuclear Engineering: Basics of Nuclear Engineering – A matter is composed of atoms. An atom consists of a positive charged nucleus surrounded by a…

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Ignitron Working Principle

Ignitron Working Principle

Ignitron Working Principle: Ignitron is a gaseous tube and consists of carbon anode, boron carbide ignitor tube and mercury pool cathode. It is a cold cathode tube and does not…

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