Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples]

Skifton, Richard; Palmer, Joe; Calderoni, Pattrick

doi:10.1080/10739149.2017.1389754

Title: Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples]

Abstract

Here, a detailed description is provided for the optimization of heat treatment and calibrating procedure for Idaho National Laboratory’s high temperature irradiation resistant thermocouples (HTIR-TC). Also discussed is the implication of the procedures on the overall performance of the HTIR-TC finished product; in particular, for the case of long lead sections that are typical of sensors deployed in nuclear reactors. The effect on the measurement accuracy of fluctuations of the reference temperature and localized heating along the sensor lead is also investigated. A calibration graphical user interface (GUI) and accompanying script is presented for unifying the calibration process. A fifth-order polynomial function was found to be best for fitting HTIR-TC calibration data. The performance of the HTIR-TCs subject to the optimized heat treatment and calibration procedures is shown to be robust and consistent with other TC industry standards. Electromotive force curves versus length of the TC are presented to clarify positioning of TCs in general and how its effect on the calibrated temperatures.

Authors:

^[1];

^[1]

Idaho National Lab. (INL), Idaho Falls, ID (United States)

Publication Date:: Fri Dec 15 00:00:00 EST 2017

Research Org.:: Idaho National Lab. (INL), Idaho Falls, ID (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE)

OSTI Identifier:: 1480458

Report Number(s):: INL/JOU-17-43073-Rev000
Journal ID: ISSN 1073-9149

Grant/Contract Number:: AC07-05ID14517

Resource Type:: Accepted Manuscript

Journal Name:: Instrumentation Science and Technology

Additional Journal Information:: Journal Volume: 46; Journal Issue: 4; Journal ID: ISSN 1073-9149

Publisher:: Taylor & Francis

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; in-pile instrumentation; high temperature sensors; irradiation resistant sensors; thermocouple; HTIR TC

Citation Formats


                    Skifton, Richard, Palmer, Joe, and Calderoni, Pattrick. Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples].  United States: N. p., 2017. 
Web.  doi:10.1080/10739149.2017.1389754.

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                    Skifton, Richard, Palmer, Joe, & Calderoni, Pattrick. Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples].  United States.  https://doi.org/10.1080/10739149.2017.1389754

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                    Skifton, Richard, Palmer, Joe, and Calderoni, Pattrick. Fri .  
"Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples]".  United States.  https://doi.org/10.1080/10739149.2017.1389754.  https://www.osti.gov/servlets/purl/1480458.

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@article{osti_1480458,

  title        = {Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples]},

  author       = {Skifton, Richard and Palmer, Joe and Calderoni, Pattrick},

  abstractNote = {Here, a detailed description is provided for the optimization of heat treatment and calibrating procedure for Idaho National Laboratory’s high temperature irradiation resistant thermocouples (HTIR-TC). Also discussed is the implication of the procedures on the overall performance of the HTIR-TC finished product; in particular, for the case of long lead sections that are typical of sensors deployed in nuclear reactors. The effect on the measurement accuracy of fluctuations of the reference temperature and localized heating along the sensor lead is also investigated. A calibration graphical user interface (GUI) and accompanying script is presented for unifying the calibration process. A fifth-order polynomial function was found to be best for fitting HTIR-TC calibration data. The performance of the HTIR-TCs subject to the optimized heat treatment and calibration procedures is shown to be robust and consistent with other TC industry standards. Electromotive force curves versus length of the TC are presented to clarify positioning of TCs in general and how its effect on the calibrated temperatures.},

  doi          = {10.1080/10739149.2017.1389754},

  journal      = {Instrumentation Science and Technology},

  number       = 4,

  volume       = 46,

  place        = {United States},

  year         = {Fri Dec 15 00:00:00 EST 2017},

  month        = {Fri Dec 15 00:00:00 EST 2017}

}

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Journal Article:

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https://doi.org/10.1080/10739149.2017.1389754

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Figures / Tables:

Table 1: Comparison between errors associated with and without using the cold junction compensation method described in the present work for High Temperature Irradiation Resistant thermocouples that do not use ice point cells at the cold junction while the calibration procedure did.

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Works referenced in this record:

Development of Low-Drift Nickel-Based Thermocouples for High-Temperature Applications
journal, March 2016

Scervini, Michele
Journal of Engineering for Gas Turbines and Power, Vol. 138, Issue 8
DOI: 10.1115/1.4032646

Methods of testing thermocouples and thermocouple materials
journal, March 1935

Roeser, W. F.; Wensel, H. T.
Journal of Research of the National Bureau of Standards, Vol. 14, Issue 3
DOI: 10.6028/jres.014.010

Thermocouples for High-Temperature In-Pile Testing
journal, December 2006

Rempe, J. L.; Knudson, D. L.; Condie, K. G.
Nuclear Technology, Vol. 156, Issue 3
DOI: 10.13182/NT06-A3794

Extension wire for high temperature irradiation resistant thermocouples
journal, February 2008

Daw, J. E.; Rempe, J. L.; Knudson, D. L.
Measurement Science and Technology, Vol. 19, Issue 4
DOI: 10.1088/0957-0233/19/4/045206

Figures / Tables found in this record:

Table 1 (p. 18)

Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.

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Title: Optimization of heat treatment and calibration procedures for high temperature irradiation resistant thermocouples [The development of calibration procedures for high temperature irradiation resistant thermocouples]

Abstract

Citation Formats

Figures / Tables:

Development of Low-Drift Nickel-Based Thermocouples for High-Temperature Applications journal, March 2016

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