A new model of two-phase thermocapillary-buoyancy convection with phase change at gas-liquid interface in an enclosed cavity subjected to a horizontal temperature gradient is proposed,rather than the previous onesided...A new model of two-phase thermocapillary-buoyancy convection with phase change at gas-liquid interface in an enclosed cavity subjected to a horizontal temperature gradient is proposed,rather than the previous onesided model without phase change.We study the onset of multicellular convection and two inodes of convective instability,and find four different flow regimes.Their transition map is compared with the non-phase-change condition.Our numerical results show the stabilizing effect of interfacial phase change on the thermocapillarybuoyancy convection.展开更多
基金the National Natural Science Foundation of China(Grant Nos.11532015 and U1738119)the China's Manned Space Program(TZ-1)and the Joint Project of CMSA-ESA Cooperation on Utilization in Space.
文摘A new model of two-phase thermocapillary-buoyancy convection with phase change at gas-liquid interface in an enclosed cavity subjected to a horizontal temperature gradient is proposed,rather than the previous onesided model without phase change.We study the onset of multicellular convection and two inodes of convective instability,and find four different flow regimes.Their transition map is compared with the non-phase-change condition.Our numerical results show the stabilizing effect of interfacial phase change on the thermocapillarybuoyancy convection.
