Numerical evaluation of the measurement error of temperature by surface thermocouples in the conditions of incomplete thermal contact with object of measurement

Abstract

One-dimensional and two-dimensional models of heat transfer are given in operation for research of the main characteristics of process of temperature measurement by means of surface thermocouples. Results of numerical evaluations of the relative error of the measurement arising owing to existence of air gap between a sensitive element of the thermocouple and object of measurement are provided. It is revealed that the measurement error in case of observance of necessary time of heating up (set minimum required time of measurement) can be lowered to level of an allowed error.

Original language	English
Title of host publication	EPJ Web of Conferences
Publisher	EDP Sciences
Volume	76
DOIs	https://doi.org/10.1051/epjconf/20147601034
Publication status	Published - 2014
Event	Conference on Thermo-Physical Basis of Energy Technologies - Tomsk, Russian Federation Duration: 16 Oct 2014 → 18 Oct 2014

Other

Other	Conference on Thermo-Physical Basis of Energy Technologies
Country	Russian Federation
City	Tomsk
Period	16.10.14 → 18.10.14

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1051/epjconf/20147601034

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Atroshenko, YK & Strizhak, PA 2014, Numerical evaluation of the measurement error of temperature by surface thermocouples in the conditions of incomplete thermal contact with object of measurement. in EPJ Web of Conferences. vol. 76, 01034, EDP Sciences, Conference on Thermo-Physical Basis of Energy Technologies, Tomsk, Russian Federation, 16.10.14. https://doi.org/10.1051/epjconf/20147601034

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author = "Atroshenko, {Yuliana Konstantinovna} and Strizhak, {Pavel A.}",

year = "2014",

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AB - One-dimensional and two-dimensional models of heat transfer are given in operation for research of the main characteristics of process of temperature measurement by means of surface thermocouples. Results of numerical evaluations of the relative error of the measurement arising owing to existence of air gap between a sensitive element of the thermocouple and object of measurement are provided. It is revealed that the measurement error in case of observance of necessary time of heating up (set minimum required time of measurement) can be lowered to level of an allowed error.

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