BOUNDS ON THE EFFECTIVE THERMAL CONDUCTIVITY OF CELLULAR CERAMICS: A NEW APPROACH
Publish place: 15th Annual Conference of Mechanical Engineering
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME15_109
تاریخ نمایه سازی: 8 فروردین 1386
Abstract:
In this paper, the two thermal circuit models are used to predict the effective thermal conductivity of cellular ceramics. The results are compared with the threedimensional numerical model and also with experimental data available in the literature. Although it has been suggested that the parallel and series models represent the upper and lower bounds on the effective thermal conductivity, it is shown that the two thermal circuit models proposed in this paper can illustrate the limits more accurately. A weighting factor is defined which can be used to estimate the effective
thermal conductivity of cellular ceramics precisely.
Authors
Ghandehariun
Department of Mechanical Engineering, Ferdowsi University of Mashad, Iran
Esfahani
Department of Mechanical Engineering, Ferdowsi University of Mashad, Iran