Numerical Investigation of Laminar Natural Convection in an Inclined Cavity with a Wavy

Natural convection in two-dimensional enclosure with three flat and one wavy wall is numerically investigated, which are formed by horizontal adiabatic walls and vertical isothermal walls. The tests were carried out for different inclination angles, amplitudes and Rayleigh numbers, while the Prandtl number was kept constant. The results obtained show that the variation of Nusselt number depends on the mathematical expression describing the shape of the wave and the hot wall undulation and the angle of inclination affect the flow and heat transfer rate in the cavity. With increase in amplitude, the average Nusselt number on the wavy wall is appreciably high at low Rayleigh number. The trend of local Nusselt number is wavy.