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THERMAL CONDUCTIVITY OF POROUS MATERIALS. I. THEORETICAL TREATMENT OF CONDUCTION PROCESSES.

Author(s) : SIMPSON A., STUCKES A. D.

Type of article: Article

Summary

MOST CONVENTIONAL MODELS CAN BE DERIVED FROM A SET OF GENERAL EQUATIONS ADAPTED FROM ELECTRICAL THEORY. THE GENERAL MODEL TAKES INTO ACCOUNT THE SHAPE AND ORIENTATION OF PORES (OR INCLUSIONS) AS WELL AS THE THERMAL CONDUCTIVITIES AND VOLUME FRACTIONS OF THE COMPONENT PHASES. THE EFFECT OF SHAPE AND ORIENTATION HAS SHOWN TO BE A MAJOR INFLUENCE ON THE CONDUCTIVITY OF COMPOSITE MATERIALS. IMPROVEMENT OF THE PERFORMANCE OF THERMAL INSULANTS BY ENTRAINING SUITABLY SHAPED INCLUSIONS IS DISCUSSED.

Details

  • Original title: THERMAL CONDUCTIVITY OF POROUS MATERIALS. I. THEORETICAL TREATMENT OF CONDUCTION PROCESSES.
  • Record ID : 1987-0881
  • Languages: English
  • Source: Build. Serv. Eng. Res. Technol. - vol. 7 - n. 2
  • Publication date: 1986
  • Document available for consultation in the library of the IIR headquarters only.

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