Measurement of thermal conductivity of granular materials over a wide range of temperatures. Comparison with theoretical models.

被引：3
|
作者：
Malherbe, G. [1 ,2 ]
Henry, J-F [2 ]
El Bakali, A. [2 ]
Bissieux, C. [2 ]
Fohanno, S. [2 ]
机构：
[1] PSA Peugeot Citroen, Site Charleville Mezieres, F-08000 Charleville Mezieres, France
[2] Univ Reims, GRESPI Thermomecan, F-51687 Reims, France
来源：
6TH EUROPEAN THERMAL SCIENCES CONFERENCE (EUROTHERM 2012) | 2012年 / 395卷
关键词：
D O I：
10.1088/1742-6596/395/1/012081
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study is devoted to the measurement of thermal conductivity of granular materials. The materials studied are foundry sand and steel shot. These measurements are performed at high temperature (up to 640 degrees C) by an unsteady state method using a cartridge heater as heating element. Then, experimental results are faced with three analytical models giving the effective thermal conductivity of granular materials. The thermal effusivity of these granular materials is also estimated.
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页数：8
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