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THE END-EFFECT ERROR IN THE DETERMINATION OF THERMAL CONDUCTIVITY USING A HOT-WIRE APPARATUS.

Author(s) : KNIBBE P. G.

Type of article: Article

Summary

MOST THERMAL CONDUCTIVITY MEASURING INSTRUMENTS BASED ON THE TRANSIENT LINE SOURCE TECHNIQUE MAKE PROVISION FOR COMPENSATING FOR THE END-EFFECT IN A PRACTICAL MANNER. A THEORETICAL ANALYSIS SHOWS THAT THE ERROR CAUSED BY THE END-EFFECT CAN BE KEPT VERY SMALL, SO THAT IT IS NOT ALWAYS NECESSARY TO CORRECT FOR THIS IN A PRACTICAL MANNER. IN THE ANALYSIS A DISTINCTION IS MADE BETWEEN THE CONDUCTIVE AND THE CONVECTIVE END-EFFECTS.

Details

  • Original title: THE END-EFFECT ERROR IN THE DETERMINATION OF THERMAL CONDUCTIVITY USING A HOT-WIRE APPARATUS.
  • Record ID : 1986-2246
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 29 - n. 3
  • Publication date: 1986

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