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COMPARATIVE AND CRITICAL STUDY OF SOME METHODS FOR DETERMINING THE THERMOPHYSICAL PROPERTIES OF HEAT CONDUCTING SOLIDS.

Author(s) : LAURENT M.

Type of article: Article

Summary

THE ARTICLE EXAMINES THE CAUSES OF SCATTER IN PUBLISHED VALUES OF THE THERMOPHYSICAL PROPERTIES OF SOLIDS. A SINGLE BAR OF ARMCO IRON WAS USED TO SUPPLY SAMPLES FOR MEASUREMENTS OF THE THERMAL CONDUCTIVITY AND DIFFUSIVITY AT SEVERAL LABORATORIES. THE CONDUCTIVITY WAS DETERMINED BY STEADY STATE METHODS, AND THE DIFFUSIVITY BY PERIODIC AND FLASH METHODS. A SECOND SERIES OF TESTS WAS RUN WITH ANNEALED SAMPLES FROM THE SAME BAR. IT APPEARS DIFFICULT TO MEASURE THE CONDUCTIVITY AND DIFFUSIVITY WITH AN ACCURACY GREATER THAN 3% EVEN THOUGH THE REPRODUCIBILITIES WERE WITHIN 0.5%.

Details

  • Original title: COMPARATIVE AND CRITICAL STUDY OF SOME METHODS FOR DETERMINING THE THERMOPHYSICAL PROPERTIES OF HEAT CONDUCTING SOLIDS.
  • Record ID : 1983-1717
  • Languages: English
  • Source: Int. chem. Eng. - vol. 23 - n. 1
  • Publication date: 1983/01
  • Document available for consultation in the library of the IIR headquarters only.

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