Identification of micro-scale calorimetric devices II - Heat transfer models from two- or three-dimensional analysis

被引：0
|
作者：
Auguet, C [1 ]
Martorell, F [1 ]
Moll, F [1 ]
Torra, V [1 ]
机构：
[1] Univ Politecn Cataluna, CIRG DFA ETSECCPB, E-08034 Barcelona, Spain
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2002年 / 70卷 / 01期
关键词：
accuracy; conduction calorimeters; identification; models; shape factor;
D O I：
10.1023/A:1020642709172
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The miniaturized calorimetric devices furnish a reduced working flat surface and permits measurements with extremely low-mass quantities. The experimental sensitivity shows relevant position dependence with x-y surface coordinates and with z-distance. The device identification is realized via a 2-D model based in Fourier general equation. Using the Marquardt method the experimental flat surface device can be identified and the fitted parameters used to simulate the behavior of the experimental system. From the model, the effects of several dissipation configurations can be evaluated. Also, via the RC-analogy, a way to 3-D experimental devices is roughly described.
引用
收藏
页码：277 / 290
页数：14
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