EFFECT OF THERMOCOUPLE SHEATHS ON THE TEMPERATURE RESPONSE IN THERMAL PROPERTY MEASUREMENT.

Takatoshi Miura, Shoji Tanna, Jun Fukai, Shigemori Ohtani

Research output: Contribution to journalArticle

Abstract

The disturbance of the temperature field in a cylindrical specimen due to the position of a thermocouple probe and due to the thermal properties of its insulating sheath was calculated by the finite-element method. The errors of measurement were calculated for both continuous and periodic heating. When the thermal diffusivities of the thermocouple and the sheath are higher/lower than that of the specimen, the temperature of the specimen is higher/lower than when they are equal. The errors are smaller, the closer the thermal diffusivity of the sheath is to that of the specimen.

Original languageEnglish
Pages (from-to)324-333
Number of pages10
JournalInternational chemical engineering
Volume25
Issue number2
Publication statusPublished - Apr 1 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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