Performance of different temperature sensors in standard fire resistance test furnaces

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DOIResolve DOI: http://doi.org/10.1007/s10694-010-0166-9
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TypeArticle
Journal titleFire Technology
Volume46
Issue4
Pages853881; # of pages: 29
Subjectfurnace, shielded thermocouple probes, plate thermometers, directional flame thermometers, bare bead thermocouples, grounded thermocouples, ungrounded thermocouples, fire resistance, time constant, incident heat flux; Tunnels
AbstractThis paper presents and discusses the performance of six different types of temperature sensors in wall and floor fire resistance furnaces namely: the ASTM E119 shielded thermocouples, ISO 834 plate thermometers, directional flame thermometers, bare-bead thermocouples, Inconel grounded and ungrounded sheathed thermocouples. The Inconel grounded and ungrounded sheathed thermocouples provided comparable results to those of the bear-bead thermocouples and are most suitable when a fast response time is desirable. Because of the fast response time and good durability, grounded and ungrounded junction thermocouples are well-suited for use in controlling the temperature in fire resistance standard test furnaces. The predicted and measured incident heat flux in furnaces controlled by either the bare-bead or grounded and ungrounded sheathed thermocouples are in good agreement.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53538
21152
NPARC number20374812
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Record identifierc5aa0993-7d15-489e-a4fb-946d11e7a3b1
Record created2012-07-23
Record modified2016-05-09
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