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Free convection heat looses in a flat plate solar collector (CROSBI ID 492375)

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

Lenić, Kristian ; Franković, Bernard Free convection heat looses in a flat plate solar collector // Zbornik radova Međunarodnog kongresa Energija i okoliš 2002, Opatija, Vol. I. / Franković Bernard (ur.). Rijeka: Hrvatski savez za sunčevu energiju, 2002. str. 101-114-x

Podaci o odgovornosti

Lenić, Kristian ; Franković, Bernard

engleski

Free convection heat looses in a flat plate solar collector

In the paper the free convection heat looses inside closed air container with isothermal non-uniform boundary condition has been analysed numerically. The mathematical model based on Oberbeck mathematical model of boundary layer has been defined. This model has been used to solve the two-dimensional transient heat transfer problem. Fields of relevant thermodynamic dimensions&#8217 ; characteristics, such as velocity vectors, stream function and temperature gradient have been calculated using finite volume numerical method. A computer solver for transient two-dimensional heat transfer has been developed. The influence of Rayleigh number on different flow and heat convection regimes has been analysed for different inclination angles. An impact of different flow regimes on heat convection has been also analysed using local and average Nusselt numbers. Results have been applied to prediction of free convection heat losses in an approximated model of solar collector for different inclination angles.

free convection heat looses; solar collector; finite volume method; heat losses; Rayleigh number; local and average Nusselt number

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o prilogu

101-114-x.

2002.

objavljeno

Podaci o matičnoj publikaciji

Zbornik radova Međunarodnog kongresa Energija i okoliš 2002, Opatija, Vol. I.

Franković Bernard

Rijeka: Hrvatski savez za sunčevu energiju

Podaci o skupu

Energija i okoliš 2002

predavanje

27.10.2002-29.10.2002

Opatija, Hrvatska

Povezanost rada

Temeljne tehničke znanosti