Solar Energy Research Institute,Yunnan Normal University,Kunming 650092,China;
Solar Energy Research Institute,Yunnan Normal University,Kunming 650092,China;
Solar Energy Research Institute,Yunnan Normal University,Kunming 650092,China;
Solar Energy Research Institute,Yunnan Normal University,Kunming 650092,China;
Solar Energy Research Institute,Yunnan Normal University,Kunming 650092,China;
Department of Mechanical and Mechatronic Engineering,The University of Sydney,NSW 2006,Australia;
weak axisymmetric fountain; numerical simulation; unsteady evolution; fountain height; fountain width;