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Abstract
The present study investigates the performance of acicular grindable thermocouples based on a constantan wire / steel hollow cylinder construction. The experiments showed that the measuring junction electrical resistance, temperature–voltage characteristic, measuring junction rise time and signal noise standard deviation of the acicular thermocouples are comparable to those of conventional J-type thermocouples with bare wire diameter 0.25–0.5 mm. A pin-on-disc tribometer study of brake friction materials revealed that the acicular thermocouple involved in friction indicates up to 30% higher temperature than the contact temperature rise measured by infrared thermography. Another finding is that the infrared thermography contact temperature can be predicted with significantly higher accuracy by combining the acicular and conventional thermocouple techniques and taking the weighted sum of the respective temperatures.
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Authors (6)
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Wojciech Tarasiuk
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Andrey Nosko
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Adolfo Senatore
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Veronica D'Urso
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.measurement.2021.109641
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
MEASUREMENT
no. 181,
ISSN: 0263-2241 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Nosko O., Tarasiuk W., Tsybrii Y., Nosko A., Senatore A., D'Urso V.: Performance of acicular grindable thermocouples for temperature measurements at sliding contacts// MEASUREMENT -Vol. 181, (2021), s.109641-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.measurement.2021.109641
- Verified by:
- Gdańsk University of Technology
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