Abstract
In the present work, a numerical study of the heat transfer in an oblique combined turbulent wall and offset jet flow was performed. Different turbulence models were tested: the standard k−ω, SST k−ω, standard k−ɛ, RNG k−ɛ and realizable k−ɛ. A parametric study was also carried out to investigate the wall inclination β and the Reynolds number Re effect on the local Nusselt number Nu, local wall heat flux q, average Nusselt number Nu¯ and average wall heat flux q¯. Correlations witch link the local and the average Nusselt number and wall heat flux to the wall inclination β and the Reynolds number Re were also provided in this paper. Constant wall heat flux and constant wall temperature boundary conditions were considered in all computation. Analyzing the numerical results show that the heat transfer exchanged between the oblique wall and the whole flow is more intense for low values of wall inclinations β, for high values of Reynolds numbers Re and under constant wall heat flux boundary condition.
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