This work is based in part on a study (M.F. Rose et al., 1989) by the authors to determine the applicability of several concepts to the cooling of high-power linear microwave tubes operating in space under a variety of conditions. The authors focus on: direct radiation to space, beam exit to space, thermal storage, secondary coolant loops/heat pipes and the use of supercritical hydrogen as a coolant with subsequent ejection to space. Each of these techniques is evaluated within the framework of a neutral particle beam weapons system or other limited duty cycle device which might lay dormant for long periods of time, come to life, and function reliably for a specified time. System impact for each technique is estimated in terms of impact on weight, volume, spacecraft interaction, and ease of implementation.
Novel techniques for the thermal management of space-based, high-power microwave tubes
Thermisches Verhalten von Hochleistungs-Mikrowellenröhren im Weltraum
IEEE Transactions on Electron Devices ; 38 , 10 ; 2252-2263
1991
12 Seiten, 14 Quellen
Article (Journal)
English
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