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Effect of asymmetric density-temperature relationship of water on natural convection in rectangular enclosure (CROSBI ID 520473)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Živić, Marija ; Šavar, Mario ; Krizmanić, Severino Effect of asymmetric density-temperature relationship of water on natural convection in rectangular enclosure // Proceedings of the 5th International Congress of Croatian Society of Mechanics / Matejiček, Franjo (ur.). Zagreb: Hrvatsko društvo za mehaniku (HDM), 2006. str. 171-177

Podaci o odgovornosti

Živić, Marija ; Šavar, Mario ; Krizmanić, Severino

engleski

Effect of asymmetric density-temperature relationship of water on natural convection in rectangular enclosure

The effect of density inversion on transient natural convection in water is studied numerically by the finite volume method. The investigation is carried out in order to study the inversion of flow patterns caused by the maximum density of water in the rectangular enclosure with vertical walls maintained at constant temperatures. Numerical simulations are obtained for symmetric (parabolic) and asymmetric density temperature relationships of water, both for three different values of initial water temperature. In all cases performed, two counter rotating vortices caused by the density inversion arose in the cavity. The change from the symmetric to the asymmetric density-temperature relationship manifests in asymmetry of temperature and flow field, while the average Nusselt number at vertical walls in steady state remains practically unchanged.

Natural convection in water; Symmetric and Asymmetric density- temperature relationships

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Podaci o prilogu

171-177.

2006.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 5th International Congress of Croatian Society of Mechanics

Matejiček, Franjo

Zagreb: Hrvatsko društvo za mehaniku (HDM)

Podaci o skupu

5th INTERNATIONAL CONGRESS OF CROATIAN SOCIETY OF MECHANICS

predavanje

21.09.2006-23.09.2006

Trogir, Hrvatska

Povezanost rada

Strojarstvo