Analytical solution of the dual phase lag equation describing the laser heating of thin metal film

• Autorzy: Ciesielski M.

Identyfikatory

DOI

10.17512/jamcm.2017.1.03

• Języki publikacji: EN

Abstrakty

EN

Heat transfer processes occurring in the micro-domains can be described using the dual-phase lag equation (DPLE). This equation can be applied as a model of heating of the thin metal film subjected to the femtosecond laser pulse. In the paper, the 1D dual phase lag equation containing the additional internal heat source resulting from the laser pulse irradiation and supplemented by the appropriate boundary and initial conditions is considered. Appearing in this equation two lag times τ_q the phase lag of the heat flux) and τ_T (the phase lag of the temperature gradient) are taken into account. An analytical solution of this equation under the assumption that τ_T > τ_q is presented. The separation of the variables technique and the Green’s function method are used in order to find this solution. In the final part of the paper, the example of computations is presented.

Słowa kluczowe

EN

dual phase lag equation; laser heating process; analytical solution; Green's function method

PL

transfer ciepła; laserowy proces ogrzewania; równanie z dwoma czasami opóźnień; metoda funkcji Greena

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Journal of Applied Mathematics and Computational Mechanics
• Rocznik: 2017
• Tom: Vol. 16, nr 1
• Strony: 33--40
• Opis fizyczny: Bibliogr. 14 poz.

Twórcy

autor

Ciesielski M.

• Institute of Computer and Information Sciences, Czestochowa University of Technology Częstochowa, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).