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Modernization of cathode-heater assembly for cathodes emitters testing stand

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Product Description

In article is described developed device for electric propulsion cathode’s emitters testing. It is shown detected during modeling disadvantages of construction, notably nonuniformity of electric and temperature fields across surface of investigated sample, which leads to significant error of emission current density calculation. Paths of device modernization, which allow reducing defined error to the level less than 8 % in the range of working temperatures 1200.. 1600°К, are described. It is shown, that realization of recommended changes in a device construction is adduced to expected results. Carried out investigation are allowed to design high accuracy inertialess complex for characteristics of electric propulsion cathodes emission materials investigation, which is responded for all today requirements.

Additional Information

Authors

Лоян А.В., Рыбалов О.П., Цаглов А.И.

Year of publication

2015

7

Volume

124

Language

Russian

Types of files

pdf

Section

Aerospace Engineering

Quality

excellent

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