The distribution of flow field in clearanceseal with balanced-pressure grooves is calculated by using the method of computing fluid mechanics.
使用计算流体力学的方法，计算增加压力平衡槽后间隙密封中的流场分布。
2
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.