Abstract: Test results are presented for rotordynamic characteristics of holepatternstator annular gas seals at a 70 bar supply pressures with a running speed of 20,200 rpm. Leakage results are presented for these conditions and ...

Abstract: In the late 1970s, Benckert and Wachter (Technical University Stuttgart) tested labyrinth seals using air as the test media and measured direct and crosscoupled stiffness coefficients. They reported the following results: ...