TEMPERATURE REGULATION FOR THERMAL-ANALYSIS UNDER MICROWAVE-RADIATION

被引:3
|
作者
KARMAZSIN, E [1 ]
BECHU, S [1 ]
机构
[1] UNIV LYON 1,APPL CHEM & CHEM ENGN LAB,F-69622 VILLEURBANNE,FRANCE
来源
JOURNAL OF THERMAL ANALYSIS | 1994年 / 41卷 / 06期
关键词
DIMINUTION FACTOR-ALPHA OF THE WAVE; MICROWAVE; PID REGULATION; REFLECTION CONSTANT-RHO;
D O I
10.1007/BF02549962
中图分类号
O414.1 [热力学];
学科分类号
摘要
In a microwave study a program was designed for thermal regulation. This software allows different types of regulations: P, PI, PD or PID (proportional integration derivation). Results obtained with PID and PI regulation for different previous linear heating schedules (1 deg.s-1 and 0.15 deg.s-1) imposed on a polymer sample (DGEBA/3DCM) up to 280-degrees-C and more are reported. Mathematical resolution of thermal laws applied to the sample permits the regulation constants (T(i), T(d) and G(s)) to be linked to the physical features of the polymer. A method used to calculate: the reflexion constant of the wave on the polymer, rho and the diminution factor, alpha is presented.
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页码:1639 / 1649
页数:11
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