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Abstrakt
A Jeffreys heat conduction problem for coupled semispaces subjected to the action of an interfacial heat source was defined. An analytical solution of the problem was derived for a polynomial specific power of the heat source using the Laplace transform approach. The asymptotic and parametric analysis was performed for different ratios of thermal conductivities , thermal diffusivities , thermal relaxation times and coefficients indicating the relative contribution of Fourier heat conduction. It was found that Jeffreys heat conduction results in continuous variation of the contact temperature, whilst its particular case — Cattaneo heat conduction — is accompanied by a step change of the contact temperature at the initial time. Another finding is that the initial heat partition occurs due to the ratio of and under Jeffreys heat conduction and due to the different ratio of and under Cattaneo heat conduction. The solution applicability was demonstrated on the simulation example of ultrashort laser pulse welding. The type of heat conduction was revealed to have qualitative and quantitative impacts on the contact temperature and heat fluxes.
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- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
nr 203,
ISSN: 0017-9310 - Język:
- angielski
- Rok wydania:
- 2023
- Opis bibliograficzny:
- Nosko O.: Jeffreys heat conduction in coupled semispaces subjected to interfacial heating// INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER -Vol. 203, (2023), s.123829-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ijheatmasstransfer.2022.123829
- Źródła finansowania:
-
- Publikacja bezkosztowa
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 99 razy