"Sealing (Technology)" . . "O ring seals." . . "Rotating shafts." . . "Turbomachines." . . "High temperature tests." . . "Leakage." . . . . . . . . . . . . . . . "Analysis of experimental shaft seal data for high-performance turbomachines--as for space shuttle main engines"@en . . . . . . "Turbomachinery." . . "Flow coefficients." . .