Institute of Engineering Thermophysics;
Chinese Academy of Sciences;
Beijing 100190;
China;
University of Chinese Academy of Sciences;
Beijing 100190;
China;
Research Institute of Petroleum Exploration and Development;
Beijing 100083;
China;
School of Engineering and Technology;
University of Hertfordshire;
Hatfield AL109AB;
United Kingdom;
Aero-engine; Critical; pressure; ratio; Floating; ring; seal; Labyrinth; seal; Leakage; Rotating;