Numerical Optimization of Aperture Absorbing Loads of Liquid Calorimeters for High-Power Microwave Pulses

被引：4
|
作者：
Klimov, A. I. [1 ,2 ]
Kozhevnikov, V. Yu [1 ]
机构：
[1] Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2017年 / 60卷 / 08期
关键词：
liquid microwave calorimeter; aperture absorbing load; Nelder-Mead method; dielectric characteristics;
D O I：
10.1007/s11182-017-1215-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Frequency-domain numerical modeling is performed and disc-shaped wide-aperture absorbing loads of calorimeters with a working liquid based on ethyl alcohol, which are designed to measure the energy of highpower microwave pulses, are optimized using the finite element method and the Nelder-Mead gradientless procedure. The possibility of using caprolon and polycarbonate as a load casing material with a corrugated inlet window together with low-pressure high-density polyethylene is investigated. The results of calculations significantly refined the results obtained earlier using a computational technique based on the finite-difference time-domain method for a simplified model of the absorbing load.
引用
收藏
页码：1319 / 1324
页数：6
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