discharge tube

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discharge tube

[′dis‚chärj ‚tüb]
(electronics)
An evacuated enclosure containing a gas at low pressure, through which current can flow when sufficient voltage is applied between metal electrodes in the tube. Also known as electric-discharge tube.
(mechanical engineering)
A tube through which steam and water are released into a boiler drum.
References in periodicals archive ?
Such a shock wave, whether generated in the open air or inside a closed, gas-filled tube, represents a significant concentration of acoustic energy.
000 - magnetrons, klystrons, microwave devices and other electronic vacuum or gas-filled tubes
The fact that the switchgear is enclosed in pressurized gas-filled tubes means the substation has a more compact footprint than conventional open-air substations and is immune to the adverse effects of Iraq's powder-like sand and harsh, hot climate.