Inverse determination of sliding surface temperature based on measurements by thermocouples with account of their thermal inertia - Publikacja - MOST Wiedzy

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Inverse determination of sliding surface temperature based on measurements by thermocouples with account of their thermal inertia

Abstrakt

This study developed an inverse heat conduction algorithm to determine temperature at a sliding surface taking account of thermocouple thermal inertia. The direct heat conduction problem was solved analytically based on the Laplace integral transform approach. The inverse algorithm was applied to the problem of friction of a brake material against a steel. The experiments were conducted on a pin-on-disc tribometer for three short-time sliding regimes: velocity step, acceleration and deceleration. Temperature in the pin sample was measured by two identical miniature thermocouples installed at different distances from the friction surface. It was found that the two inverse surface temperatures agree well between each other. The inverse algorithm allows predicting the contact temperature measured by infrared thermography with accuracy 5–7%.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
TRIBOLOGY INTERNATIONAL nr 164,
ISSN: 0301-679X
Język:
angielski
Rok wydania:
2021
Opis bibliograficzny:
Nosko O., Tsybrii Y.: Inverse determination of sliding surface temperature based on measurements by thermocouples with account of their thermal inertia// TRIBOLOGY INTERNATIONAL -Vol. 164, (2021), s.107200-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.triboint.2021.107200
Weryfikacja:
Politechnika Gdańska

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