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Effects of strong convection on the cooling process for a long or thin pipe (CROSBI ID 142662)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Marušić, Sanja ; Marušić-Paloka, Eduard ; Pažanin, Igor Effects of strong convection on the cooling process for a long or thin pipe // Comptes rendus. Mécanique, 336 (2008), 6; 493-499. doi: 10.1016/j.crme.2008.03.003

Podaci o odgovornosti

Marušić, Sanja ; Marušić-Paloka, Eduard ; Pažanin, Igor

engleski

Effects of strong convection on the cooling process for a long or thin pipe

In this Note a heat flow through a thin pipe filled with fluid is studied. The pipe is cooled by the exterior medium. Depending on the ratio between the pipe’ s thickness ε and the Reynolds number Reε , we obtain three different macroscopic models via rigorous asymptotic analysis. For small Reε the fluid in the pipe is perfectly cooled, i.e. it assumes the temperature of the surrounding medium. For large Reε , the fluid is not cooled at all, i.e. it maintains the same temperature as it had when it entered the pipe. Between those two cases there is a critical value of Reε when the macroscopic model is described by an ODE keeping the effects of the surrounding medium as well as the entering temperature.

Heat transfer ; Heat conduction ; Asymptotic analysis ; High convection

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Podaci o izdanju

336 (6)

2008.

493-499

objavljeno

1631-0721

1873-7234

10.1016/j.crme.2008.03.003

Povezanost rada

Matematika

Poveznice
Indeksiranost