Thermal Analysis of Micro-Channel Cooling for a Megawatt Gyrotron Travelling Wave Tube

2019 ◽  
Author(s):  
Wei Rao ◽  
Guo Liu ◽  
Chao Fang ◽  
Wei Jiang ◽  
Jianxun Wang ◽  
...  
Keyword(s):  
Thermal Analysis ◽  
Travelling Wave ◽  
Micro Channel ◽  
Wave Tube

Thermal analysis of electron gun cathode for gyrotron travelling wave tube

2013 ◽  
Vol 25 (2) ◽  
pp. 446-450
Author(s):  
牛婧杨 Niu Jingyang ◽  
王丽 Wang Li ◽  
罗勇 Luo Yong ◽  
蒋伟 Jiang Wei
Keyword(s):  
Thermal Analysis ◽  
Travelling Wave ◽  
Electron Gun ◽  
Wave Tube

scholarly journals MICROWAVE TRAVELLING WAVE TUBE - A SUMMARY OF AN ANALYTICAL, NUMERICAL AND EXPERIMENTAL THERMAL ANALYSIS

2017 ◽  
Vol 5 (6) ◽  
pp. 353-361
Author(s):  
Artur Wymysłowski ◽  
Waldemar Wiejak ◽  
Piotr Słupski
Keyword(s):  
Thermal Analysis ◽  
Temperature Distribution ◽  
High Power ◽  
Test Sample ◽  
Travelling Wave ◽  
Experimental Measurements ◽  
Wave Tube ◽  
Practical Applications ◽  
Working Parameters ◽  
Reliable Solution

Travelling Wave Tube (TWT) is an electronic vacuum microwave device, which is used as a high power microwave amplifier, mainly in telecommunication purposes and radar systems. TWT's seem to be an alternative and a more reliable solution than semiconductor devices when building high power and high frequency applications. Thermal behaviour of TWT is one of the key aspects influencing its reliability and working parameters. In fact, the standard TWT is treated as a high power device and the supplied power is dissipated mainly through conduction and convection phenomena. In practical applications, depending on a type of TWT, they can be cooled either by a forced liquid or air circulation. The main goal of the presented research was to perform analytical, experimental and numerical analysis of temperature distribution of a low band TWT in case of a typical working condition. Because theoretical analysis seems to be very complex, thus it was decided to support it with experimental measurements and numerical simulations as well as with the simplified analytical formulas. As a first step of the presented research, the analytical analysis and numerical modelling of the helix TWT was carried out. The objective of the thermal analysis was to assess the temperature distribution in different parts of the helix TWT assembly during extreme standard and working conditions. Afterwards, the obtained numerical results were validated by experimental measurements, which were carried out using a custom designed TWT test sample and corresponding experimental measurement tools.

Development of a Sub-terahertz Sheet Beam Travelling Wave Tube

2020 ◽  
Author(s):  
Guoxiang Shu ◽  
Zhihui Ouyang ◽  
Lin Zhang ◽  
Jiacai Liao ◽  
Junchen Ren ◽  
...  
Keyword(s):  
Travelling Wave ◽  
Wave Tube

Design of output structures for a W-band sheet beam travelling wave tube

2015 ◽  
Author(s):  
L. Y. Yang ◽  
J. X. Wang ◽  
G. Liu ◽  
G. X. Shu ◽  
Y. Zheng ◽  
...  
Keyword(s):  
Travelling Wave ◽  
Wave Tube ◽  
W Band
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