Heat transfer in a molten salt filled enclosure absorbing concentrated solar radiation

Natural convection induced by the absorption of solar radiation: A review

“…If cooling is sufficiently strong, a clear undercurrent is formed, bringing cold water to the deep region of the reservoir. Heating from the water surface results in a stable largescale convective roll which is clearly observed in the simulations Amber & O'Donovan [47,48]…”

“…Second-order and linear elements discretisation were applied for the velocity and the pressure field, (P 2 +P 1 ). An unstructured mesh consisting of triangular mesh elements is adopted in the simulation to account for the variability of the formed thermal plumes and its occurrence at arbitrary locations [47]. The study also considered the temperature dependence of the thermophysical properties of working fluid.…”

“…Amber and O'Donovan[47] investigated the effect of inclination angle (0 < φ < 60 o ) natural convection in a molten salt-filled enclosure induced by direct absorption of non-uniform concentrated solar radiation. A twodimensional inclined enclosure with H/D = 1, whose vertical walls were inclined at an angle to the gravity vector was considered.…”