Along with the progress of the thermal protection research of liquid rocket engine chamber, with the adoption of typical platelet diffusion transpiration cooling device, the researches of platelet technology used for fluid flow controlling and fuel transpiration injection are improved further. 在典型层板发汗冷却装置应用于液体火箭发动机推力室热防护研究工作的带动下,层板技术应用于流体流动控制和燃料发汗喷注等方面的研究也在迅速发展。