NDLI: Thermal Design of High Efficiency, High Reliability Pulsed Space TWT’s Grid-Controlled Electron Gun

Content Provider	IEEE Xplore Digital Library
Author	Xin-Wei Li Xin-Wen Shang Xiao-Bao Su Wei Liu Liu Xiao Shi-Ji Yu
Copyright Year	1963
Abstract	To satisfy the requirements for a pulsed space traveling-wave tube, including high efficiency, high reliability, and miniaturization, its thermal and mechanical performance must be optimized. In this paper, an electron gun is optimized using ANSYS software with double goal methods that take both thermal and mechanical factors into consideration. Experimental result shows that the heating power of the gun decreases from 10.5 to 8.2 W, its warm-up time is reduced from 320 to 200 s, and its total volume is cut down by 22%. In addition, the new gun shows good mechanical reliability. It is shown that the results of theory, computation, and experiment are in good agreement. Finally, further thermal optimization of the new gun is achieved by analyzing the radiant heat loss.
Sponsorship	IEEE Electron Devices Society
Starting Page	1648
Ending Page	1654
Page Count	7
File Size	2212213
File Format	PDF
ISSN	00189383
Volume Number	62
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Cathodes Heat transfer Reliability Stress Solid modeling Optimization miniaturization. Electron gun high efficiency high reliability miniaturization
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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