In this study, a numerical analysis has been performed to examine the natural convection heattransfer and flow field inside a saltbox roof with eave in winter day conditions. This analysisis important for applications since it shows the effective parameters on natural convectionheat transfer. The governing equations of natural convection in streamfunction-vorticity formwere solved using central difference method to obtain flow and temperature fields inside theroof. Also, the Successive Under Relaxation (SUR) technique was used to solve linearalgebraic equations.
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